Honeycomb-73 Extensible initializers for v3po

Change-Id: Ic148b22f9bc48ff29bf67894e2cecafa29772db7
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

33 files changed, 501 insertions, 888 deletions

diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/InterfacesStateReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/InterfacesStateReaderFactory.java
index 60d5ab942..82909e228 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/InterfacesStateReaderFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/InterfacesStateReaderFactory.java
@@ -19,6 +19,8 @@ package io.fd.honeycomb.translate.v3po;
 import com.google.common.collect.Sets;
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
+import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
+import io.fd.honeycomb.translate.impl.read.GenericInitReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
@@ -52,9 +54,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Neighbor;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.Ip4Acl;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.Ip6Acl;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.L2Acl;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Acl;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.AclBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Ethernet;
@@ -66,6 +65,9 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Vxlan;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VxlanGpe;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.acl.Ingress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.Ip4Acl;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.Ip6Acl;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.acl.rev161214.acl.base.attributes.L2Acl;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.pbb.rev161214.PbbRewriteStateInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.pbb.rev161214.PbbRewriteStateInterfaceAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.pbb.rev161214.interfaces.state._interface.PbbRewriteState;
@@ -101,7 +103,7 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
         // InterfacesState(Structural)
         registry.addStructuralReader(IFC_STATE_ID, InterfacesStateBuilder.class);
         //  Interface
-        registry.add(new GenericListReader<>(IFC_ID, new InterfaceCustomizer(jvpp, ifcNamingCtx, ifcDisableContext)));
+        registry.add(new GenericInitListReader<>(IFC_ID, new InterfaceCustomizer(jvpp, ifcNamingCtx, ifcDisableContext)));
 
         // v3po.yang
         initVppIfcAugmentationReaders(registry, IFC_ID);
@@ -123,7 +125,7 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
         registry.add(new GenericReader<>(ipv4Id, new Ipv4Customizer(jvpp)));
         //     Address
         final InstanceIdentifier<Address> ipv4AddrId = ipv4Id.child(Address.class);
-        registry.add(new GenericListReader<>(ipv4AddrId, new Ipv4AddressCustomizer(jvpp, ifcNamingCtx)));
+        registry.add(new GenericInitListReader<>(ipv4AddrId, new Ipv4AddressCustomizer(jvpp, ifcNamingCtx)));
         //     Neighbor
         final InstanceIdentifier<Neighbor> neighborId = ipv4Id.child(Neighbor.class);
         registry.add(new GenericListReader<>(neighborId, new Ipv4NeighbourCustomizer(jvpp)));
@@ -139,27 +141,24 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
                 ifcId.augmentation(VppInterfaceStateAugmentation.class);
         registry.addStructuralReader(vppIfcAugId, VppInterfaceStateAugmentationBuilder.class);
         //    Ethernet
-        registry
-                .add(new GenericReader<>(vppIfcAugId.child(Ethernet.class),
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(Ethernet.class),
                         new EthernetCustomizer(jvpp, ifcNamingCtx)));
         //    Tap
-        registry.add(new GenericReader<>(vppIfcAugId.child(Tap.class), new TapCustomizer(jvpp, ifcNamingCtx)));
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(Tap.class), new TapCustomizer(jvpp, ifcNamingCtx)));
         //    VhostUser
-        registry
-                .add(new GenericReader<>(vppIfcAugId.child(VhostUser.class),
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(VhostUser.class),
                         new VhostUserCustomizer(jvpp, ifcNamingCtx)));
         //    Vxlan
-        registry.add(new GenericReader<>(vppIfcAugId.child(Vxlan.class), new VxlanCustomizer(jvpp, ifcNamingCtx)));
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(Vxlan.class), new VxlanCustomizer(jvpp, ifcNamingCtx)));
         //    VxlanGpe
-        registry
-                .add(new GenericReader<>(vppIfcAugId.child(VxlanGpe.class),
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(VxlanGpe.class),
                         new VxlanGpeCustomizer(jvpp, ifcNamingCtx)));
         //    Gre
-        registry.add(new GenericReader<>(vppIfcAugId.child(Gre.class), new GreCustomizer(jvpp, ifcNamingCtx)));
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(Gre.class), new GreCustomizer(jvpp, ifcNamingCtx)));
         //    L2
-        registry
-                .add(new GenericReader<>(vppIfcAugId.child(L2.class),
+        registry.add(new GenericInitReader<>(vppIfcAugId.child(L2.class),
                         new L2Customizer(jvpp, ifcNamingCtx, bdNamingCtx)));
+
         //    Acl(Structural)
         final InstanceIdentifier<Acl> aclIid = vppIfcAugId.child(Acl.class);
         registry.addStructuralReader(aclIid, AclBuilder.class);
@@ -168,9 +167,9 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
         registry.subtreeAdd(
                 Sets.newHashSet(ingressIdRelative.child(L2Acl.class), ingressIdRelative.child(Ip4Acl.class),
                         ingressIdRelative.child(Ip6Acl.class)),
-                new GenericReader<>(aclIid.child(Ingress.class),
-                        new AclCustomizer(jvpp, ifcNamingCtx,
-                                classifyContext)));
+                new GenericInitReader<>(aclIid.child(Ingress.class),
+                        new AclCustomizer(jvpp, ifcNamingCtx, classifyContext)));
+
         //   Proxy ARP
         registry.add(new GenericReader<>(vppIfcAugId.child(ProxyArp.class), new ProxyArpCustomizer(jvpp,
                 ifcNamingCtx)));
@@ -178,7 +177,6 @@ public final class InterfacesStateReaderFactory implements ReaderFactory {
 
     private void initPbbRewriteAugmentation(final ModifiableReaderRegistryBuilder registry,
                                             final InstanceIdentifier<Interface> ifcId) {
-
         registry.addStructuralReader(ifcId.augmentation(PbbRewriteStateInterfaceAugmentation.class),
                 PbbRewriteStateInterfaceAugmentationBuilder.class);
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/SubinterfaceStateAugmentationReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/SubinterfaceStateAugmentationReaderFactory.java
index 6caea96cd..ee943bff8 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/SubinterfaceStateAugmentationReaderFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/SubinterfaceStateAugmentationReaderFactory.java
@@ -17,14 +17,15 @@
 package io.fd.honeycomb.translate.v3po;
 
 import com.google.common.collect.Sets;
-import io.fd.honeycomb.translate.impl.read.GenericListReader;
+import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
+import io.fd.honeycomb.translate.impl.read.GenericInitReader;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.honeycomb.translate.v3po.interfacesstate.RewriteCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.SubInterfaceCustomizer;
-import io.fd.honeycomb.translate.v3po.interfacesstate.acl.ingress.SubInterfaceAclCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.SubInterfaceL2Customizer;
+import io.fd.honeycomb.translate.v3po.interfacesstate.acl.ingress.SubInterfaceAclCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.SubInterfaceIpv4AddressCustomizer;
 import io.fd.honeycomb.translate.v3po.vppclassifier.VppClassifierContextManager;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -86,10 +87,10 @@ final class SubinterfaceStateAugmentationReaderFactory implements ReaderFactory
             InstanceIdentifier.create(SubInterface.class).child(Tags.class).child(Tag.class).child(Dot1qTag.class),
             InstanceIdentifier.create(SubInterface.class).child(Match.class),
             InstanceIdentifier.create(SubInterface.class).child(Match.class).child(VlanTagged.class)),
-            new GenericListReader<>(subIfcId, new SubInterfaceCustomizer(jvpp, ifcCtx)));
+            new GenericInitListReader<>(subIfcId, new SubInterfaceCustomizer(jvpp, ifcCtx)));
         //    L2
         final InstanceIdentifier<L2> l2Id = subIfcId.child(L2.class);
-        registry.add(new GenericReader<>(l2Id, new SubInterfaceL2Customizer(jvpp, ifcCtx, bdCtx)));
+        registry.add(new GenericInitReader<>(l2Id, new SubInterfaceL2Customizer(jvpp, ifcCtx, bdCtx)));
         //     Rewrite(Subtree)
         registry.subtreeAdd(Sets.newHashSet(
             InstanceIdentifier.create(Rewrite.class).child(PushTags.class),
@@ -102,7 +103,7 @@ final class SubinterfaceStateAugmentationReaderFactory implements ReaderFactory
         registry.addStructuralReader(ipv4Id, Ipv4Builder.class);
         //     Address
         registry.add(
-            new GenericListReader<>(ipv4Id.child(Address.class), new SubInterfaceIpv4AddressCustomizer(jvpp, ifcCtx)));
+            new GenericInitListReader<>(ipv4Id.child(Address.class), new SubInterfaceIpv4AddressCustomizer(jvpp, ifcCtx)));
         //    Acl(Structural)
         final InstanceIdentifier<Acl> aclIid = subIfcId.child(Acl.class);
         registry.addStructuralReader(aclIid, AclBuilder.class);
@@ -111,7 +112,7 @@ final class SubinterfaceStateAugmentationReaderFactory implements ReaderFactory
         registry.subtreeAdd(
             Sets.newHashSet(ingressIdRelative.child(L2Acl.class), ingressIdRelative.child(Ip4Acl.class),
                 ingressIdRelative.child(Ip6Acl.class)),
-            new GenericReader<>(aclIid.child(Ingress.class),
+            new GenericInitReader<>(aclIid.child(Ingress.class),
                 new SubInterfaceAclCustomizer(jvpp, ifcCtx, classifyCtx)));
     }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/V3poModule.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/V3poModule.java
index e2f9c6db7..d1bf234a3 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/V3poModule.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/V3poModule.java
@@ -19,13 +19,9 @@ package io.fd.honeycomb.translate.v3po;
 import com.google.inject.AbstractModule;
 import com.google.inject.multibindings.Multibinder;
 import com.google.inject.name.Names;
-import io.fd.honeycomb.data.init.DataTreeInitializer;
 import io.fd.honeycomb.notification.ManagedNotificationProducer;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.v3po.cfgattrs.V3poConfiguration;
-import io.fd.honeycomb.translate.v3po.initializers.InterfacesInitializer;
-import io.fd.honeycomb.translate.v3po.initializers.VppClassifierInitializer;
-import io.fd.honeycomb.translate.v3po.initializers.VppInitializer;
 import io.fd.honeycomb.translate.v3po.interfaces.acl.egress.EgressIetfAclWriter;
 import io.fd.honeycomb.translate.v3po.interfaces.acl.ingress.IngressIetfAclWriter;
 import io.fd.honeycomb.translate.v3po.notification.InterfaceChangeNotificationProducer;
@@ -87,13 +83,6 @@ public class V3poModule extends AbstractModule {
         writerFactoryBinder.addBinding().to(VppClassifierHoneycombWriterFactory.class);
         writerFactoryBinder.addBinding().to(AclWriterFactory.class);
 
-        // Initializers
-        final Multibinder<DataTreeInitializer> initializerBinder =
-                Multibinder.newSetBinder(binder(), DataTreeInitializer.class);
-        initializerBinder.addBinding().to(InterfacesInitializer.class);
-        initializerBinder.addBinding().to(VppClassifierInitializer.class);
-        initializerBinder.addBinding().to(VppInitializer.class);
-
         // Notifications
         final Multibinder<ManagedNotificationProducer> notifiersBinder =
                 Multibinder.newSetBinder(binder(), ManagedNotificationProducer.class);
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppClassifierReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppClassifierReaderFactory.java
index 19f34daed..b7a67c853 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppClassifierReaderFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppClassifierReaderFactory.java
@@ -18,19 +18,20 @@ package io.fd.honeycomb.translate.v3po;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
+import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericListReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.honeycomb.translate.v3po.vppclassifier.ClassifySessionReader;
 import io.fd.honeycomb.translate.v3po.vppclassifier.ClassifyTableReader;
 import io.fd.honeycomb.translate.v3po.vppclassifier.VppClassifierContextManager;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierState;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierStateBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.classify.table.base.attributes.ClassifySession;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.state.ClassifyTable;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 
 public final class VppClassifierReaderFactory implements ReaderFactory {
 
@@ -51,7 +52,7 @@ public final class VppClassifierReaderFactory implements ReaderFactory {
         registry.addStructuralReader(vppStateId, VppClassifierStateBuilder.class);
         //  ClassifyTable
         final InstanceIdentifier<ClassifyTable> classTblId = vppStateId.child(ClassifyTable.class);
-        registry.add(new GenericListReader<>(classTblId, new ClassifyTableReader(jvpp, classifyCtx)));
+        registry.add(new GenericInitListReader<>(classTblId, new ClassifyTableReader(jvpp, classifyCtx)));
         //   ClassifySession
         final InstanceIdentifier<ClassifySession> classSesId = classTblId.child(ClassifySession.class);
         registry.add(new GenericListReader<>(classSesId, new ClassifySessionReader(jvpp, classifyCtx)));
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java
index 9893657bc..67c435b16 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/VppStateHoneycombReaderFactory.java
@@ -18,17 +18,18 @@ package io.fd.honeycomb.translate.v3po;
 
 import com.google.inject.Inject;
 import com.google.inject.name.Named;
-import io.fd.honeycomb.translate.impl.read.GenericListReader;
+import io.fd.honeycomb.translate.impl.read.GenericInitListReader;
 import io.fd.honeycomb.translate.impl.read.GenericReader;
 import io.fd.honeycomb.translate.read.ReaderFactory;
 import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder;
 import io.fd.honeycomb.translate.util.read.KeepaliveReaderWrapper;
-import io.fd.honeycomb.translate.vpp.util.NamingContext;
-import io.fd.honeycomb.translate.vpp.util.ReadTimeoutException;
-import io.fd.honeycomb.translate.vpp.util.VppStatusListener;
 import io.fd.honeycomb.translate.v3po.vppstate.BridgeDomainCustomizer;
 import io.fd.honeycomb.translate.v3po.vppstate.L2FibEntryCustomizer;
 import io.fd.honeycomb.translate.v3po.vppstate.VersionCustomizer;
+import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.honeycomb.translate.vpp.util.ReadTimeoutException;
+import io.fd.honeycomb.translate.vpp.util.VppStatusListener;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import java.util.concurrent.ScheduledExecutorService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppState;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppStateBuilder;
@@ -40,7 +41,6 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.Version;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomain;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 
 public final class VppStateHoneycombReaderFactory implements ReaderFactory {
 
@@ -79,12 +79,12 @@ public final class VppStateHoneycombReaderFactory implements ReaderFactory {
         registry.addStructuralReader(bridgeDomainsId, BridgeDomainsBuilder.class);
         //   BridgeDomain
         final InstanceIdentifier<BridgeDomain> bridgeDomainId = bridgeDomainsId.child(BridgeDomain.class);
-        registry.add(new GenericListReader<>(bridgeDomainId, new BridgeDomainCustomizer(jVpp, bdCtx)));
+        registry.add(new GenericInitListReader<>(bridgeDomainId, new BridgeDomainCustomizer(jVpp, bdCtx)));
         //    L2FibTable(Structural)
         final InstanceIdentifier<L2FibTable> l2FibTableId = bridgeDomainId.child(L2FibTable.class);
         registry.addStructuralReader(l2FibTableId, L2FibTableBuilder.class);
         //     L2FibEntry
-        registry.add(new GenericListReader<>(l2FibTableId.child(L2FibEntry.class),
+        registry.add(new GenericInitListReader<>(l2FibTableId.child(L2FibEntry.class),
                 new L2FibEntryCustomizer(jVpp, bdCtx, ifcCtx)));
     }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializer.java
deleted file mode 100644
index 791283bb8..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializer.java
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Lists;
-import com.google.inject.Inject;
-import com.google.inject.name.Named;
-import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
-import java.util.stream.Collectors;
-import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1Builder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface2;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4Builder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.NeighborBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.Subnet;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.PrefixLengthBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Address;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanGpeVni;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanVni;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.AclBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.EthernetBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.GreBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2Builder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.TapBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VhostUserBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanGpeBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.EgressBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.IngressBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Acl;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Ethernet;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Gre;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.L2;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Tap;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VhostUser;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Vxlan;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VxlanGpe;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.acl.Egress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.acl.Ingress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.Interconnection;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.BridgeBased;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.BridgeBasedBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.XconnectBased;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.XconnectBasedBuilder;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Initializes ietf-interfaces config data based on operational state
- */
-public class InterfacesInitializer extends AbstractDataTreeConverter<InterfacesState, Interfaces> {
-    private static final Logger LOG = LoggerFactory.getLogger(InterfacesInitializer.class);
-
-    @Inject
-    public InterfacesInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) {
-        super(bindingDataBroker, InstanceIdentifier.create(InterfacesState.class),
-            InstanceIdentifier.create(Interfaces.class));
-    }
-
-    @Override
-    protected Interfaces convert(final InterfacesState operationalData) {
-        LOG.debug("InterfacesInitializer.convert()");
-        InterfacesBuilder interfacesBuilder = new InterfacesBuilder();
-        interfacesBuilder
-            .setInterface(Lists.transform(operationalData.getInterface(), InterfacesInitializer::initialize));
-        return interfacesBuilder.build();
-    }
-
-    // TODO https://jira.fd.io/browse/HONEYCOMB-73 this kind of initialization/transformation is bad
-    // There is no relation to readers, it cannot be extended (readers can) and its hard to keep in sync with readers
-
-    private static Interface initialize(
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface input) {
-        InterfaceBuilder builder = new InterfaceBuilder();
-        builder.setKey(new InterfaceKey(input.getKey().getName()));
-        builder.setName(input.getName());
-        builder.setType(input.getType());
-        builder.setEnabled(AdminStatus.Up.equals(input.getAdminStatus()));
-        // Not present in interfaces-state
-        // builder.setLinkUpDownTrapEnable();
-
-        initializeVppInterfaceStateAugmentation(input, builder);
-        SubInterfaceInitializationUtils.initializeSubinterfaceStateAugmentation(input, builder);
-        initializeIetfIpAugmentation(input, builder);
-
-        return builder.build();
-    }
-
-    private static void initializeVppInterfaceStateAugmentation(
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface input,
-        final InterfaceBuilder builder) {
-        final VppInterfaceStateAugmentation vppIfcAugmentation =
-            input.getAugmentation(VppInterfaceStateAugmentation.class);
-        if (vppIfcAugmentation != null) {
-            final VppInterfaceAugmentationBuilder augmentBuilder = new VppInterfaceAugmentationBuilder();
-            builder.setDescription(vppIfcAugmentation.getDescription());
-
-            final Vxlan vxlan = vppIfcAugmentation.getVxlan();
-            if (vxlan != null) {
-                setVxlan(augmentBuilder, vxlan);
-            }
-
-            final VxlanGpe vxlanGpe = vppIfcAugmentation.getVxlanGpe();
-            if (vxlanGpe != null) {
-                setVxlanGpe(augmentBuilder, vxlanGpe);
-            }
-
-            final Gre gre = vppIfcAugmentation.getGre();
-            if (gre != null) {
-                setGre(augmentBuilder, gre);
-            }
-
-            final Tap tap = vppIfcAugmentation.getTap();
-            if (tap != null) {
-                setTap(input, augmentBuilder, tap);
-            }
-
-            final VhostUser vhostUser = vppIfcAugmentation.getVhostUser();
-            if (vhostUser != null) {
-                setVhostUser(augmentBuilder, vhostUser);
-            }
-
-            final L2 l2 = vppIfcAugmentation.getL2();
-            if (l2 != null) {
-                setL2(augmentBuilder, l2);
-            }
-
-            final Ethernet ethernet = vppIfcAugmentation.getEthernet();
-            if (ethernet != null) {
-                setEthernet(augmentBuilder, ethernet);
-            }
-
-            final Acl acl = vppIfcAugmentation.getAcl();
-            if (acl != null) {
-                setAcl(augmentBuilder, acl);
-            }
-
-            // Routing is not present in interface-state. Doing nothing for it
-
-            builder.addAugmentation(VppInterfaceAugmentation.class, augmentBuilder.build());
-        }
-    }
-
-    private static void initializeIetfIpAugmentation(
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface input,
-        final InterfaceBuilder builder) {
-        final Interface2 ietfIpAugmentation = input.getAugmentation(Interface2.class);
-        if (ietfIpAugmentation != null) {
-            final Interface1Builder augmentBuilder = new Interface1Builder();
-
-            final Ipv4 ipv4 = ietfIpAugmentation.getIpv4();
-            if (ipv4 != null) {
-                final Ipv4Builder ipv4Builder = new Ipv4Builder();
-                ipv4Builder.setAddress(
-                        ipv4.getAddress().stream()
-                                .map(address -> new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressBuilder()
-                                                .setIp(address.getIp())
-                                                .setSubnet(getSubnet(address))
-                                                .build())
-                                .collect(Collectors.toList()));
-
-                if (ipv4.getNeighbor() != null) {
-                    ipv4Builder.setNeighbor(ipv4.getNeighbor().stream()
-                            .map(neighbor -> new NeighborBuilder().setIp(neighbor.getIp())
-                                    .setLinkLayerAddress(neighbor.getLinkLayerAddress()).build())
-                            .collect(Collectors.toList()));
-                }
-
-                augmentBuilder.setIpv4(ipv4Builder.build());
-            }
-
-            builder.addAugmentation(Interface1.class, augmentBuilder.build());
-        }
-    }
-
-    private static Subnet getSubnet(final Address address) {
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.Subnet
-            subnet = address.getSubnet();
-
-        // Only prefix length supported
-        Preconditions.checkArgument(
-            subnet instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLength);
-
-        return new PrefixLengthBuilder().setPrefixLength(
-            ((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLength) subnet)
-                .getPrefixLength()).build();
-    }
-
-    private static void setEthernet(final VppInterfaceAugmentationBuilder augmentBuilder, final Ethernet ethernet) {
-        final EthernetBuilder ethernetBuilder = new EthernetBuilder();
-        ethernetBuilder.setMtu(ethernet.getMtu());
-        augmentBuilder.setEthernet(ethernetBuilder.build());
-    }
-
-    private static void setAcl(final VppInterfaceAugmentationBuilder augmentBuilder, final Acl acl) {
-        final AclBuilder aclBuilder = new AclBuilder();
-
-        final Ingress ingress = acl.getIngress();
-        if (ingress != null) {
-            final IngressBuilder builder = new IngressBuilder();
-            builder.setL2Acl(ingress.getL2Acl());
-            builder.setIp4Acl(ingress.getIp4Acl());
-            builder.setIp6Acl(ingress.getIp6Acl());
-            aclBuilder.setIngress(builder.build());
-        }
-
-        final Egress egress = acl.getEgress();
-        if (egress != null) {
-            final EgressBuilder builder = new EgressBuilder();
-            builder.setL2Acl(egress.getL2Acl());
-            builder.setIp4Acl(egress.getIp4Acl());
-            builder.setIp6Acl(egress.getIp6Acl());
-            aclBuilder.setEgress(builder.build());
-        }
-        augmentBuilder.setAcl(aclBuilder.build());
-    }
-
-    private static void setL2(final VppInterfaceAugmentationBuilder augmentBuilder, final L2 l2) {
-        final L2Builder l2Builder = new L2Builder();
-
-        final Interconnection interconnection = l2.getInterconnection();
-        if (interconnection != null) {
-            if (interconnection instanceof XconnectBased) {
-                final XconnectBasedBuilder xconnectBasedBuilder = new XconnectBasedBuilder();
-                xconnectBasedBuilder.setXconnectOutgoingInterface(
-                    ((XconnectBased) interconnection).getXconnectOutgoingInterface());
-                l2Builder.setInterconnection(xconnectBasedBuilder.build());
-            } else if (interconnection instanceof BridgeBased) {
-                final BridgeBasedBuilder bridgeBasedBuilder = new BridgeBasedBuilder();
-                bridgeBasedBuilder.setBridgeDomain(((BridgeBased) interconnection).getBridgeDomain());
-                bridgeBasedBuilder
-                    .setBridgedVirtualInterface(((BridgeBased) interconnection).isBridgedVirtualInterface());
-                bridgeBasedBuilder.setSplitHorizonGroup(((BridgeBased) interconnection).getSplitHorizonGroup());
-                l2Builder.setInterconnection(bridgeBasedBuilder.build());
-            }
-        }
-
-        augmentBuilder.setL2(l2Builder.build());
-    }
-
-    private static void setVhostUser(final VppInterfaceAugmentationBuilder augmentBuilder, final VhostUser vhostUser) {
-        final VhostUserBuilder vhostUserBuilder = new VhostUserBuilder();
-        vhostUserBuilder.setRole(vhostUser.getRole());
-        vhostUserBuilder.setSocket(vhostUser.getSocket());
-        augmentBuilder.setVhostUser(vhostUserBuilder.build());
-    }
-
-    private static void setTap(
-        final @Nonnull org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface input,
-        final VppInterfaceAugmentationBuilder augmentBuilder,
-        final Tap tap) {
-        final TapBuilder tapBuilder = new TapBuilder();
-        tapBuilder.setMac(input.getPhysAddress());
-        tapBuilder.setTapName(tap.getTapName());
-//                            tapBuilder.setDeviceInstance();
-        augmentBuilder.setTap(tapBuilder.build());
-    }
-
-    private static void setVxlan(final VppInterfaceAugmentationBuilder augmentBuilder, final Vxlan vxlan) {
-        final VxlanBuilder vxlanBuilder = new VxlanBuilder();
-        vxlanBuilder.setDst(vxlan.getDst());
-        vxlanBuilder.setSrc(vxlan.getSrc());
-        vxlanBuilder.setEncapVrfId(vxlan.getEncapVrfId());
-        vxlanBuilder.setVni(new VxlanVni(vxlan.getVni()));
-        augmentBuilder.setVxlan(vxlanBuilder.build());
-    }
-
-    private static void setVxlanGpe(final VppInterfaceAugmentationBuilder augmentBuilder, final VxlanGpe vxlanGpe) {
-        final VxlanGpeBuilder vxlanGpeBuilder = new VxlanGpeBuilder();
-        vxlanGpeBuilder.setLocal(vxlanGpe.getLocal());
-        vxlanGpeBuilder.setRemote(vxlanGpe.getRemote());
-        vxlanGpeBuilder.setVni(new VxlanGpeVni(vxlanGpe.getVni()));
-        vxlanGpeBuilder.setNextProtocol(vxlanGpe.getNextProtocol());
-        vxlanGpeBuilder.setEncapVrfId(vxlanGpe.getEncapVrfId());
-        vxlanGpeBuilder.setDecapVrfId(vxlanGpe.getDecapVrfId());
-        augmentBuilder.setVxlanGpe(vxlanGpeBuilder.build());
-    }
-
-    private static void setGre(final VppInterfaceAugmentationBuilder augmentBuilder, final Gre gre) {
-        final GreBuilder greBuilder = new GreBuilder();
-        greBuilder.setDst(gre.getDst());
-        greBuilder.setSrc(gre.getSrc());
-        greBuilder.setOuterFibId(gre.getOuterFibId());
-        augmentBuilder.setGre(greBuilder.build());
-    }
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/SubInterfaceInitializationUtils.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/SubInterfaceInitializationUtils.java
deleted file mode 100644
index fabab605f..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/SubInterfaceInitializationUtils.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import com.google.common.collect.Lists;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubInterfaceStatus;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceAugmentationBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceStateAugmentation;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.SubInterfaces;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.AclBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.Egress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.EgressBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.Ingress;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.IngressBuilder;
-
-/**
- * Utility class for sub interface initialization
- */
-final class SubInterfaceInitializationUtils {
-
-    private SubInterfaceInitializationUtils() {
-        throw new UnsupportedOperationException("Utility class cannot be instantiated");
-    }
-
-    static void initializeSubinterfaceStateAugmentation(
-            final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface input,
-            final InterfaceBuilder builder) {
-        final SubinterfaceStateAugmentation subIfcAugmentation =
-                input.getAugmentation(SubinterfaceStateAugmentation.class);
-        if (subIfcAugmentation != null) {
-            final SubinterfaceAugmentationBuilder augmentBuilder = new SubinterfaceAugmentationBuilder();
-
-            final SubInterfaces subInterfaces = subIfcAugmentation.getSubInterfaces();
-            if (subInterfaces != null) {
-                setSubInterfaces(augmentBuilder, subInterfaces);
-            }
-
-            builder.addAugmentation(SubinterfaceAugmentation.class, augmentBuilder.build());
-        }
-    }
-
-    private static void setSubInterfaces(final SubinterfaceAugmentationBuilder augmentBuilder,
-                                         final SubInterfaces operationalData) {
-
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.SubInterfacesBuilder
-                subInterfacesCfgBuilder =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.SubInterfacesBuilder();
-        subInterfacesCfgBuilder.setSubInterface(Lists.transform(operationalData.getSubInterface(),
-                SubInterfaceInitializationUtils::convertSubInterface));
-        augmentBuilder.setSubInterfaces(subInterfacesCfgBuilder.build());
-    }
-
-    private static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterface convertSubInterface(
-            final SubInterface operationalData) {
-        org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceBuilder subInterfaceCfgBuilder =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceBuilder();
-
-        subInterfaceCfgBuilder.setEnabled(SubInterfaceStatus.Up.equals(operationalData.getAdminStatus()));
-        subInterfaceCfgBuilder.setIdentifier(operationalData.getIdentifier());
-        subInterfaceCfgBuilder.setKey(new SubInterfaceKey(operationalData.getIdentifier()));
-        subInterfaceCfgBuilder.setL2(operationalData.getL2());
-        subInterfaceCfgBuilder.setMatch(operationalData.getMatch());
-        subInterfaceCfgBuilder.setTags(operationalData.getTags());
-        subInterfaceCfgBuilder.setVlanType(operationalData.getVlanType());
-        subInterfaceCfgBuilder.setIpv4(operationalData.getIpv4());
-        subInterfaceCfgBuilder.setIpv6(operationalData.getIpv6());
-
-        if (operationalData.getAcl() != null) {
-            final AclBuilder aclBuilder = new AclBuilder();
-            final Ingress ingress = operationalData.getAcl().getIngress();
-            if (ingress != null) {
-                final IngressBuilder builder = new IngressBuilder();
-                builder.setL2Acl(ingress.getL2Acl());
-                builder.setIp4Acl(ingress.getIp4Acl());
-                builder.setIp6Acl(ingress.getIp6Acl());
-                aclBuilder.setIngress(builder.build());
-            }
-
-            final Egress egress = operationalData.getAcl().getEgress();
-            if (egress != null) {
-                final EgressBuilder builder = new EgressBuilder();
-                builder.setL2Acl(egress.getL2Acl());
-                builder.setIp4Acl(egress.getIp4Acl());
-                builder.setIp6Acl(egress.getIp6Acl());
-                aclBuilder.setEgress(builder.build());
-            }
-            subInterfaceCfgBuilder.setAcl(aclBuilder.build());
-        }
-
-        return subInterfaceCfgBuilder.build();
-    }
-
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppClassifierInitializer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppClassifierInitializer.java
deleted file mode 100644
index bf0d7e5a6..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppClassifierInitializer.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import com.google.inject.Inject;
-import com.google.inject.name.Named;
-import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
-import java.util.stream.Collectors;
-import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifier;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTableBuilder;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-
-/**
- * Initializes vpp-classfier node in config data tree based on operational state.
- */
-public final class VppClassifierInitializer extends AbstractDataTreeConverter<VppClassifierState, VppClassifier> {
-    private static final InstanceIdentifier<VppClassifierState> OPER_ID =
-        InstanceIdentifier.create(VppClassifierState.class);
-    private static final InstanceIdentifier<VppClassifier> CFG_ID = InstanceIdentifier.create(VppClassifier.class);
-
-    @Inject
-    public VppClassifierInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) {
-        super(bindingDataBroker, OPER_ID, CFG_ID);
-    }
-
-    @Override
-    protected VppClassifier convert(final VppClassifierState operationalData) {
-        final VppClassifierBuilder builder = new VppClassifierBuilder();
-        builder.setClassifyTable(operationalData.getClassifyTable().stream()
-            .map(oper -> new ClassifyTableBuilder(oper).setName(oper.getName()).build())
-            .collect(Collectors.toList()));
-        return builder.build();
-    }
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializer.java
deleted file mode 100644
index aa8d76a37..000000000
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializer.java
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import com.google.inject.Inject;
-import com.google.inject.name.Named;
-import io.fd.honeycomb.data.init.AbstractDataTreeConverter;
-import java.util.stream.Collectors;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.Vpp;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.L2FibTable;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.L2FibTableBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.BridgeDomainsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomain;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainKey;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Initializes vpp node in config data tree based on operational state.
- */
-public class VppInitializer extends AbstractDataTreeConverter<VppState, Vpp> {
-    private static final Logger LOG = LoggerFactory.getLogger(VppInitializer.class);
-
-    @Inject
-    public VppInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) {
-        super(bindingDataBroker, InstanceIdentifier.create(VppState.class), InstanceIdentifier.create(Vpp.class));
-    }
-
-    @Override
-    protected Vpp convert(final VppState operationalData) {
-        LOG.debug("VppInitializer.convert()");
-
-        VppBuilder vppBuilder = new VppBuilder();
-        if (operationalData.getBridgeDomains() != null) {
-            BridgeDomainsBuilder bdsBuilder = new BridgeDomainsBuilder();
-            bdsBuilder.setBridgeDomain(operationalData.getBridgeDomains().getBridgeDomain().stream().map(VppInitializer::convert)
-                .collect(Collectors.toList()));
-            vppBuilder.setBridgeDomains(bdsBuilder.build());
-        }
-        return vppBuilder.build();
-    }
-
-    private static BridgeDomain convert(
-        org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomain input) {
-        final BridgeDomainBuilder builder = new BridgeDomainBuilder();
-        builder.setLearn(input.isLearn());
-        builder.setUnknownUnicastFlood(input.isUnknownUnicastFlood());
-        builder.setArpTermination(input.isArpTermination());
-        builder.setFlood(input.isFlood());
-        builder.setForward(input.isForward());
-        builder.setKey(new BridgeDomainKey(input.getKey().getName()));
-        builder.setName(input.getName());
-        setL2FibTable(builder, input.getL2FibTable());
-        return builder.build();
-    }
-
-    private static void setL2FibTable(@Nonnull final BridgeDomainBuilder builder,
-                                      @Nullable final L2FibTable l2FibTable) {
-        if (l2FibTable == null) {
-            return;
-        }
-        final L2FibTableBuilder tableBuilder = new L2FibTableBuilder()
-            .setL2FibEntry(
-                l2FibTable.getL2FibEntry().stream()
-                    // Convert operational object to config. VPP does not support setting BVI (see v3po.yang)
-                    .map(oper -> new L2FibEntryBuilder(oper).setBridgedVirtualInterface(null).build())
-                    .collect(Collectors.toList()));
-        builder.setL2FibTable(tableBuilder.build());
-    }
-
-}
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/EthernetCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/EthernetCustomizer.java
index a29cc8ddd..b2533a230 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/EthernetCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/EthernetCustomizer.java
@@ -18,26 +18,29 @@ package io.fd.honeycomb.translate.v3po.interfacesstate;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Ethernet;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.EthernetBuilder;
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 
 public class EthernetCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Ethernet, EthernetBuilder>, InterfaceDataTranslator {
+        implements InitializingReaderCustomizer<Ethernet, EthernetBuilder>, InterfaceDataTranslator {
 
     private static final Logger LOG = LoggerFactory.getLogger(EthernetCustomizer.class);
     private NamingContext interfaceContext;
@@ -84,4 +87,22 @@ public class EthernetCustomizer extends FutureJVppCustomizer
                 break;
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Ethernet> init(
+            @Nonnull final InstanceIdentifier<Ethernet> id,
+            @Nonnull final Ethernet readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.EthernetBuilder()
+                        .setMtu(readValue.getMtu())
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Ethernet> getCfgId(
+            final InstanceIdentifier<Ethernet> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Ethernet.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/GreCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/GreCustomizer.java
index 49ed5e00d..2fb94c1e1 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/GreCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/GreCustomizer.java
@@ -20,7 +20,9 @@ import static com.google.common.base.Preconditions.checkState;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
 import io.fd.vpp.jvpp.core.dto.GreTunnelDetails;
@@ -38,6 +40,7 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.GreTunnel;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Gre;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.GreBuilder;
@@ -48,7 +51,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class GreCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Gre, GreBuilder>, InterfaceDataTranslator {
+        implements InitializingReaderCustomizer<Gre, GreBuilder>, InterfaceDataTranslator {
 
     private static final Logger LOG = LoggerFactory.getLogger(GreCustomizer.class);
     private NamingContext interfaceContext;
@@ -133,4 +136,22 @@ public class GreCustomizer extends FutureJVppCustomizer
             throw new IllegalArgumentException("Cannot create InetAddress from " + Arrays.toString(addr), e);
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Gre> init(
+            @Nonnull final InstanceIdentifier<Gre> id, @Nonnull final Gre readValue, @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.GreBuilder()
+                        .setDst(readValue.getDst())
+                        .setSrc(readValue.getSrc())
+                        .setOuterFibId(readValue.getOuterFibId())
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Gre> getCfgId(
+            final InstanceIdentifier<Gre> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Gre.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/InterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/InterfaceCustomizer.java
index 3093f08a7..fdb8397dd 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/InterfaceCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/InterfaceCustomizer.java
@@ -20,7 +20,8 @@ import io.fd.honeycomb.translate.MappingContext;
 import io.fd.honeycomb.translate.ModificationCache;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
 import io.fd.honeycomb.translate.v3po.DisabledInterfacesManager;
 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
@@ -37,6 +38,7 @@ import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesStateBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus;
@@ -53,7 +55,7 @@ import org.slf4j.LoggerFactory;
  * Customizer for reading ietf-interfaces:interfaces-state/interface.
  */
 public class InterfaceCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<Interface, InterfaceKey, InterfaceBuilder>, ByteDataTranslator,
+        implements InitializingListReaderCustomizer<Interface, InterfaceKey, InterfaceBuilder>, ByteDataTranslator,
         InterfaceDataTranslator {
 
     public static final String DUMPED_IFCS_CONTEXT_KEY =
@@ -202,4 +204,25 @@ public class InterfaceCustomizer extends FutureJVppCustomizer
                       @Nonnull final List<Interface> readData) {
         ((InterfacesStateBuilder) builder).setInterface(readData);
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface> init(
+            @Nonnull final InstanceIdentifier<Interface> id, @Nonnull final Interface readValue, @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder()
+                        .setName(readValue.getName())
+                        .setType(readValue.getType())
+                        .setEnabled(AdminStatus.Up.equals(readValue.getAdminStatus()))
+                        // Not present in interfaces-state
+                        // .setLinkUpDownTrapEnable()
+                        .build());
+    }
+
+    public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface> getCfgId(
+            final InstanceIdentifier<Interface> id) {
+        return InstanceIdentifier.create(Interfaces.class).child(
+                org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface.class,
+                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey(
+                        id.firstKeyOf(Interface.class).getName()));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/L2Customizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/L2Customizer.java
index 691f3dbcf..2a29fddeb 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/L2Customizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/L2Customizer.java
@@ -18,26 +18,34 @@ package io.fd.honeycomb.translate.v3po.interfacesstate;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.L2;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.L2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.Interconnection;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.BridgeBased;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.BridgeBasedBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.XconnectBased;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.base.attributes.interconnection.XconnectBasedBuilder;
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
  * Customizer for reading ietf-interfaces:interfaces-state/interface/iface_name/v3po:l2
  */
-public class L2Customizer extends FutureJVppCustomizer implements ReaderCustomizer<L2, L2Builder> {
+public class L2Customizer extends FutureJVppCustomizer implements InitializingReaderCustomizer<L2, L2Builder> {
 
     private static final Logger LOG = LoggerFactory.getLogger(L2Customizer.class);
     private final InterconnectionReadUtils icReadUtils;
@@ -69,4 +77,40 @@ public class L2Customizer extends FutureJVppCustomizer implements ReaderCustomiz
         final String ifaceName = key.getName();
         builder.setInterconnection(icReadUtils.readInterconnection(id, ifaceName, ctx));
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2> init(
+            @Nonnull final InstanceIdentifier<L2> id,
+            @Nonnull final L2 readValue,
+            @Nonnull final ReadContext ctx) {
+        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2Builder
+                l2Builder =
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2Builder();
+
+        final Interconnection interconnection = readValue.getInterconnection();
+        if (interconnection != null) {
+            if (interconnection instanceof XconnectBased) {
+                final XconnectBasedBuilder xconnectBasedBuilder = new XconnectBasedBuilder();
+                xconnectBasedBuilder.setXconnectOutgoingInterface(
+                        ((XconnectBased) interconnection).getXconnectOutgoingInterface());
+                l2Builder.setInterconnection(xconnectBasedBuilder.build());
+            } else if (interconnection instanceof BridgeBased) {
+                final BridgeBasedBuilder bridgeBasedBuilder = new BridgeBasedBuilder();
+                bridgeBasedBuilder.setBridgeDomain(((BridgeBased) interconnection).getBridgeDomain());
+                bridgeBasedBuilder
+                        .setBridgedVirtualInterface(((BridgeBased) interconnection).isBridgedVirtualInterface());
+                bridgeBasedBuilder.setSplitHorizonGroup(((BridgeBased) interconnection).getSplitHorizonGroup());
+                l2Builder.setInterconnection(bridgeBasedBuilder.build());
+            }
+        }
+
+        return Initialized.create(getCfgId(id), l2Builder.build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2> getCfgId(
+            final InstanceIdentifier<L2> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.L2.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ProxyArpCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ProxyArpCustomizer.java
index c3d1b1632..e3d6ed0eb 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ProxyArpCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ProxyArpCustomizer.java
@@ -71,7 +71,7 @@ public class ProxyArpCustomizer extends FutureJVppCustomizer
                                               .rev161214.interfaces.state._interface.ProxyArpBuilder builder,
                                       @Nonnull ReadContext ctx) throws ReadFailedException {
 
-        //TODO: VPP-225 Implement fully when VPP Proxy ARP read API is available
+        //TODO: VPP-225 Implement fully when VPP Proxy ARP read API is available + add initializing
         final InterfaceKey key = id.firstKeyOf(Interface.class);
         final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
         LOG.warn("Reading of ARP data not (yet) supported by VPP API");
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/RewriteCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/RewriteCustomizer.java
index 6d4ecd700..da6bf7a10 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/RewriteCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/RewriteCustomizer.java
@@ -58,6 +58,9 @@ import org.slf4j.LoggerFactory;
 public class RewriteCustomizer extends FutureJVppCustomizer
         implements ReaderCustomizer<Rewrite, RewriteBuilder>, InterfaceDataTranslator {
 
+    // No initialization necessary since its parent Subinterface L2 customzier sets the entire subtree during
+    // initialization
+
     private static final Logger LOG = LoggerFactory.getLogger(RewriteCustomizer.class);
     private final NamingContext interfaceContext;
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceCustomizer.java
index 9473c6ab8..a2efa8c9f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceCustomizer.java
@@ -21,7 +21,9 @@ import static com.google.common.base.Preconditions.checkState;
 import com.google.common.base.Preconditions;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -46,6 +48,8 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubInterfaceStatus;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.SubinterfaceAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.SubInterfaces;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.SubInterfacesBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterfaceBuilder;
@@ -70,7 +74,7 @@ import org.slf4j.LoggerFactory;
  * Customizer for reading sub interfaces form the VPP.
  */
 public class SubInterfaceCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<SubInterface, SubInterfaceKey, SubInterfaceBuilder>, ByteDataTranslator,
+        implements InitializingListReaderCustomizer<SubInterface, SubInterfaceKey, SubInterfaceBuilder>, ByteDataTranslator,
         InterfaceDataTranslator {
 
     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceCustomizer.class);
@@ -233,4 +237,28 @@ public class SubInterfaceCustomizer extends FutureJVppCustomizer
         }
         return match.build();
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterface> init(
+            @Nonnull final InstanceIdentifier<SubInterface> id, @Nonnull final SubInterface readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceBuilder()
+                        .setEnabled(SubInterfaceStatus.Up.equals(readValue.getAdminStatus()))
+                        .setIdentifier(readValue.getIdentifier())
+                        .setMatch(readValue.getMatch())
+                        .setTags(readValue.getTags())
+                        .setVlanType(readValue.getVlanType())
+                        .build());
+    }
+
+    public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterface> getCfgId(
+            final InstanceIdentifier<SubInterface> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(SubinterfaceAugmentation.class)
+                .child(SubInterfaces.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterface.class,
+                        new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces._interface.sub.interfaces.SubInterfaceKey(
+                                id.firstKeyOf(SubInterface.class).getIdentifier()));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceL2Customizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceL2Customizer.java
index a61d61e8d..c686d1880 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceL2Customizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/SubInterfaceL2Customizer.java
@@ -20,9 +20,12 @@ import static io.fd.honeycomb.translate.vpp.util.SubInterfaceUtils.getSubInterfa
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
@@ -34,14 +37,14 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
  * Customizer for reading vlan sub interface L2 operational state
  */
-public class SubInterfaceL2Customizer extends FutureJVppCustomizer implements ReaderCustomizer<L2, L2Builder> {
+public class SubInterfaceL2Customizer extends FutureJVppCustomizer
+        implements InitializingReaderCustomizer<L2, L2Builder> {
 
     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceL2Customizer.class);
     private final InterconnectionReadUtils icReadUtils;
@@ -74,4 +77,17 @@ public class SubInterfaceL2Customizer extends FutureJVppCustomizer implements Re
 
         builder.setInterconnection(icReadUtils.readInterconnection(id, subInterfaceName, ctx));
     }
+
+    @Override
+    public Initialized<L2> init(
+            @Nonnull final InstanceIdentifier<L2> id,
+            @Nonnull final L2 readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id), readValue);
+    }
+
+    static InstanceIdentifier<L2> getCfgId(final InstanceIdentifier<L2> id) {
+        return SubInterfaceCustomizer.getCfgId(RWUtils.cutId(id, SubInterface.class))
+                .child(L2.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/TapCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/TapCustomizer.java
index 0fb287a13..2a3ab97ac 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/TapCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/TapCustomizer.java
@@ -7,7 +7,7 @@
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * Unless required by applicable law or agreed to in writing, software
+ * Unless required by applicable law or aTaped to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
@@ -18,10 +18,13 @@ package io.fd.honeycomb.translate.v3po.interfacesstate;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.vpp.jvpp.core.dto.SwInterfaceDetails;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDetails;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDetailsReplyDump;
 import io.fd.vpp.jvpp.core.dto.SwInterfaceTapDump;
@@ -34,6 +37,8 @@ import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.Tap;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.TapBuilder;
@@ -45,7 +50,7 @@ import org.slf4j.LoggerFactory;
 
 
 public class TapCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Tap, TapBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<Tap, TapBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(TapCustomizer.class);
     public static final String DUMPED_TAPS_CONTEXT_KEY = TapCustomizer.class.getName() + "dumpedTapsDuringGetAllIds";
@@ -111,4 +116,28 @@ public class TapCustomizer extends FutureJVppCustomizer
         builder.setTapName(toString(swInterfaceTapDetails.devName));
         LOG.debug("Tap interface: {}, id: {} attributes read as: {}", key.getName(), index, builder);
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Tap> init(
+            @Nonnull final InstanceIdentifier<Tap> id, @Nonnull final Tap readValue, @Nonnull final ReadContext ctx) {
+        // The MAC address is set from interface details, those details are retrieved from cache
+        final InterfaceKey key = id.firstKeyOf(Interface.class);
+        final int index = interfaceContext.getIndex(key.getName(), ctx.getMappingContext());
+        final SwInterfaceDetails ifcDetails =
+                InterfaceCustomizer.getCachedInterfaceDump(ctx.getModificationCache()).get(index);
+
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.TapBuilder()
+                        .setMac(new PhysAddress(vppPhysAddrToYang(ifcDetails.l2Address)))
+                        .setTapName(readValue.getTapName())
+//                            tapBuilder.setDeviceInstance();
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Tap> getCfgId(
+            final InstanceIdentifier<Tap> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Tap.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VhostUserCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VhostUserCustomizer.java
index a0b637c7c..a6d17cf2e 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VhostUserCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VhostUserCustomizer.java
@@ -18,7 +18,9 @@ package io.fd.honeycomb.translate.v3po.interfacesstate;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -36,6 +38,7 @@ import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VhostUserRole;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VhostUser;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.VhostUserBuilder;
@@ -47,7 +50,7 @@ import org.slf4j.LoggerFactory;
 
 
 public class VhostUserCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<VhostUser, VhostUserBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<VhostUser, VhostUserBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
 
     public static final String DUMPED_VHOST_USERS_CONTEXT_KEY =
             VhostUserCustomizer.class.getName() + "dumpedVhostUsersDuringGetAllIds";
@@ -129,4 +132,23 @@ public class VhostUserCustomizer extends FutureJVppCustomizer
 
         LOG.debug("Vhost user interface: {}, id: {} attributes read as: {}", key.getName(), index, builder);
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VhostUser> init(
+            @Nonnull final InstanceIdentifier<VhostUser> id,
+            @Nonnull final VhostUser readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VhostUserBuilder()
+                        .setRole(readValue.getRole())
+                        .setSocket(readValue.getSocket())
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VhostUser> getCfgId(
+            final InstanceIdentifier<VhostUser> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VhostUser.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanCustomizer.java
index 7661af46c..1a1220435 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanCustomizer.java
@@ -20,7 +20,9 @@ import static com.google.common.base.Preconditions.checkState;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -38,6 +40,7 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanTunnel;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanVni;
@@ -50,7 +53,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class VxlanCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Vxlan, VxlanBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<Vxlan, VxlanBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(VxlanCustomizer.class);
     private final NamingContext interfaceContext;
@@ -137,4 +140,23 @@ public class VxlanCustomizer extends FutureJVppCustomizer
             throw new IllegalArgumentException("Cannot create InetAddress from " + Arrays.toString(addr), e);
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan> init(
+            @Nonnull final InstanceIdentifier<Vxlan> id, @Nonnull final Vxlan readValue, @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanBuilder()
+                        .setDst(readValue.getDst())
+                        .setSrc(readValue.getSrc())
+                        .setEncapVrfId(readValue.getEncapVrfId())
+                        .setVni(new VxlanVni(readValue.getVni()))
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan> getCfgId(
+            final InstanceIdentifier<Vxlan> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Vxlan.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanGpeCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanGpeCustomizer.java
index e8cdf4ba3..278e23912 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanGpeCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/VxlanGpeCustomizer.java
@@ -20,7 +20,9 @@ import static com.google.common.base.Preconditions.checkState;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -38,6 +40,7 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceStateAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanGpeNextProtocol;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VxlanGpeTunnel;
@@ -51,7 +54,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class VxlanGpeCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<VxlanGpe, VxlanGpeBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<VxlanGpe, VxlanGpeBuilder>, InterfaceDataTranslator, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(VxlanGpeCustomizer.class);
     private NamingContext interfaceContext;
@@ -141,4 +144,25 @@ public class VxlanGpeCustomizer extends FutureJVppCustomizer
             throw new IllegalArgumentException("Cannot create InetAddress from " + Arrays.toString(addr), e);
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanGpe> init(
+            @Nonnull final InstanceIdentifier<VxlanGpe> id, @Nonnull final VxlanGpe readValue, @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanGpeBuilder()
+                        .setLocal(readValue.getLocal())
+                        .setRemote(readValue.getRemote())
+                        .setVni(new VxlanGpeVni(readValue.getVni()))
+                        .setNextProtocol(readValue.getNextProtocol())
+                        .setEncapVrfId(readValue.getEncapVrfId())
+                        .setDecapVrfId(readValue.getDecapVrfId())
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanGpe> getCfgId(
+            final InstanceIdentifier<VxlanGpe> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.VxlanGpe.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/AclCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/AclCustomizer.java
index 18892d5b2..6212f724a 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/AclCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/AclCustomizer.java
@@ -21,7 +21,10 @@ import static com.google.common.base.Preconditions.checkNotNull;
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
+import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceCustomizer;
 import io.fd.honeycomb.translate.v3po.vppclassifier.VppClassifierContextManager;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
@@ -32,6 +35,7 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppInterfaceAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.AclBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.acl.Ingress;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces.state._interface.acl.IngressBuilder;
@@ -45,7 +49,7 @@ import org.slf4j.LoggerFactory;
  * Customizer for reading ingress ACLs enabled on given interface.
  */
 public class AclCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Ingress, IngressBuilder>, AclReader, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<Ingress, IngressBuilder>, AclReader, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(AclCustomizer.class);
     private final NamingContext interfaceContext;
@@ -91,4 +95,24 @@ public class AclCustomizer extends FutureJVppCustomizer
             LOG.trace("Attributes for ACL {} successfully read: {}", id, builder.build());
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.Ingress> init(
+            @Nonnull final InstanceIdentifier<Ingress> id, @Nonnull final Ingress readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.IngressBuilder()
+                        .setL2Acl(readValue.getL2Acl())
+                        .setIp4Acl(readValue.getIp4Acl())
+                        .setIp6Acl(readValue.getIp6Acl())
+                        .build());
+    }
+
+    private InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.Ingress> getCfgId(
+            final InstanceIdentifier<Ingress> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(VppInterfaceAugmentation.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.Acl.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.interfaces._interface.acl.Ingress.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/SubInterfaceAclCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/SubInterfaceAclCustomizer.java
index 2acf5ace5..ad6303531 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/SubInterfaceAclCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/acl/ingress/SubInterfaceAclCustomizer.java
@@ -22,7 +22,10 @@ import static io.fd.honeycomb.translate.vpp.util.SubInterfaceUtils.getSubInterfa
 
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
+import io.fd.honeycomb.translate.v3po.interfacesstate.SubInterfaceCustomizer;
 import io.fd.honeycomb.translate.v3po.vppclassifier.VppClassifierContextManager;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
@@ -35,6 +38,7 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.Acl;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.AclBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.Ingress;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.base.attributes.acl.IngressBuilder;
@@ -48,7 +52,7 @@ import org.slf4j.LoggerFactory;
  * Customizer for reading ingress ACLs enabled on given sub-interface.
  */
 public class SubInterfaceAclCustomizer extends FutureJVppCustomizer
-        implements ReaderCustomizer<Ingress, IngressBuilder>, AclReader, JvppReplyConsumer {
+        implements InitializingReaderCustomizer<Ingress, IngressBuilder>, AclReader, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceAclCustomizer.class);
     private final NamingContext interfaceContext;
@@ -98,4 +102,19 @@ public class SubInterfaceAclCustomizer extends FutureJVppCustomizer
             LOG.trace("Attributes for ACL {} successfully read: {}", id, builder.build());
         }
     }
+
+    @Override
+    public Initialized<Ingress> init(
+            @Nonnull final InstanceIdentifier<Ingress> id,
+            @Nonnull final Ingress readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id), readValue);
+    }
+
+    static InstanceIdentifier<Ingress> getCfgId(
+            final InstanceIdentifier<Ingress> id) {
+        return SubInterfaceCustomizer.getCfgId(RWUtils.cutId(id, SubInterface.class))
+                .child(Acl.class)
+                .child(Ingress.class);
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4AddressCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4AddressCustomizer.java
index 8b1fb86e9..1aedba822 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4AddressCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4AddressCustomizer.java
@@ -19,10 +19,14 @@ package io.fd.honeycomb.translate.v3po.interfacesstate.ip;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
+import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -32,6 +36,9 @@ import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import java.util.List;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.Subnet;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.Address;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.AddressBuilder;
@@ -47,7 +54,7 @@ import org.slf4j.LoggerFactory;
  * Read customizer for interface Ipv4 addresses.
  */
 public class Ipv4AddressCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
+        implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
 
     private static final Logger LOG = LoggerFactory.getLogger(Ipv4AddressCustomizer.class);
     private static final String CACHE_KEY = Ipv4AddressCustomizer.class.getName();
@@ -122,4 +129,37 @@ public class Ipv4AddressCustomizer extends FutureJVppCustomizer
         ((Ipv4Builder) builder).setAddress(readData);
     }
 
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address> init(
+            @Nonnull final InstanceIdentifier<Address> id, @Nonnull final Address readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressBuilder()
+                        .setIp(readValue.getIp())
+                        .setSubnet(getSubnet(readValue))
+                        .build());
+    }
+
+    private static Subnet getSubnet(final Address address) {
+        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.Subnet
+                subnet = address.getSubnet();
+
+        // Only prefix length supported
+        Preconditions.checkArgument(
+                subnet instanceof org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLength);
+
+        return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.address.subnet.PrefixLengthBuilder()
+                .setPrefixLength(
+                ((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.ipv4.address.subnet.PrefixLength) subnet)
+                        .getPrefixLength()).build();
+    }
+
+    static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address> getCfgId(
+            final InstanceIdentifier<Address> id) {
+        return InterfaceCustomizer.getCfgId(RWUtils.cutId(id, Interface.class))
+                .augmentation(Interface1.class)
+                .child(Ipv4.class)
+                .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address.class,
+                        new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.AddressKey(id.firstKeyOf(Address.class).getIp()));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4NeighbourCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4NeighbourCustomizer.java
index 207eb43a3..afc22591d 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4NeighbourCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv4NeighbourCustomizer.java
@@ -20,6 +20,7 @@ import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import java.util.Collections;
 import java.util.List;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces.state._interface.Ipv4Builder;
@@ -29,7 +30,6 @@ import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev14061
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -54,7 +54,7 @@ public class Ipv4NeighbourCustomizer extends FutureJVppCustomizer
     @Override
     public void readCurrentAttributes(InstanceIdentifier<Neighbor> id, NeighborBuilder builder, ReadContext ctx)
             throws ReadFailedException {
-        //TODO - not supported, implement https://jira.fd.io/browse/VPP-164 first
+        //TODO - not supported, implement https://jira.fd.io/browse/VPP-164 first + implement init
         LOG.warn("Operation not supported");
     }
 
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv6Customizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv6Customizer.java
index 1451833b1..a2e7bcc10 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv6Customizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/Ipv6Customizer.java
@@ -53,7 +53,7 @@ public class Ipv6Customizer extends FutureJVppCustomizer implements ReaderCustom
     @Override
     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<Ipv6> id, @Nonnull final Ipv6Builder builder,
                                       @Nonnull final ReadContext ctx) throws ReadFailedException {
-        // TODO HONEYCOMB-102 implement
+        // TODO HONEYCOMB-102 implement + init
 //        final IpAddressDump dumpRequest = new IpAddressDump();
 //        dumpRequest.isIpv6 = 1;
 //        dumpRequest.swIfIndex = interfaceContext.getIndex(id.firstKeyOf(Interface.class).getName(),
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/SubInterfaceIpv4AddressCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/SubInterfaceIpv4AddressCustomizer.java
index 8eb2c92de..60171f768 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/SubInterfaceIpv4AddressCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/ip/SubInterfaceIpv4AddressCustomizer.java
@@ -21,8 +21,11 @@ import static com.google.common.base.Preconditions.checkNotNull;
 import com.google.common.base.Optional;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
+import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
+import io.fd.honeycomb.translate.v3po.interfacesstate.SubInterfaceCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.ip.dump.params.AddressDumpParams;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
@@ -34,6 +37,7 @@ import java.util.List;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.interfaces.state._interface.sub.interfaces.SubInterface;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.Ipv4Builder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.Address;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.vlan.rev161214.sub._interface.ip4.attributes.ipv4.AddressBuilder;
@@ -49,7 +53,7 @@ import org.slf4j.LoggerFactory;
  * Read customizer for sub-interface Ipv4 addresses.
  */
 public class SubInterfaceIpv4AddressCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
+        implements InitializingListReaderCustomizer<Address, AddressKey, AddressBuilder>, Ipv4Reader {
 
     private static final Logger LOG = LoggerFactory.getLogger(SubInterfaceIpv4AddressCustomizer.class);
     private static final String CACHE_KEY = SubInterfaceIpv4AddressCustomizer.class.getName();
@@ -120,4 +124,17 @@ public class SubInterfaceIpv4AddressCustomizer extends FutureJVppCustomizer
         return SubInterfaceUtils.getSubInterfaceName(id.firstKeyOf(Interface.class).getName(),
                 Math.toIntExact(id.firstKeyOf(SubInterface.class).getIdentifier()));
     }
+
+    @Override
+    public Initialized<Address> init(
+            @Nonnull final InstanceIdentifier<Address> id, @Nonnull final Address readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id), readValue);
+    }
+
+    private InstanceIdentifier<Address> getCfgId(final InstanceIdentifier<Address> id) {
+        return SubInterfaceCustomizer.getCfgId(RWUtils.cutId(id, SubInterface.class))
+                .child(Ipv4.class)
+                .child(Address.class, new AddressKey(id.firstKeyOf(Address.class)));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/pbb/PbbRewriteStateCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/pbb/PbbRewriteStateCustomizer.java
index 8d71b6be5..f7dd59066 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/pbb/PbbRewriteStateCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/interfacesstate/pbb/PbbRewriteStateCustomizer.java
@@ -31,7 +31,7 @@ public class PbbRewriteStateCustomizer extends FutureJVppCustomizer
     public void readCurrentAttributes(@Nonnull final InstanceIdentifier<PbbRewriteState> id,
                                       @Nonnull final PbbRewriteStateBuilder builder, @Nonnull final ReadContext ctx)
             throws ReadFailedException {
-        //TODO implement read after https://jira.fd.io/browse/VPP-468
+        //TODO implement read after https://jira.fd.io/browse/VPP-468 + init
     }
 
     @Override
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java
index b4de5a1b6..745168635 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java
@@ -23,7 +23,8 @@ import com.google.common.base.Optional;
 import com.google.common.primitives.UnsignedInts;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
 import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceDataTranslator;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
@@ -39,6 +40,7 @@ import java.util.List;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifier;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierStateBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppNodeName;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.state.ClassifyTable;
@@ -55,9 +57,8 @@ import org.slf4j.LoggerFactory;
  * class table} command.
  */
 public class ClassifyTableReader extends FutureJVppCustomizer
-        implements ListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader,
-        MacTranslator,
-        InterfaceDataTranslator, JvppReplyConsumer {
+        implements InitializingListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader,
+        MacTranslator, InterfaceDataTranslator, JvppReplyConsumer {
 
     private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableReader.class);
     private final VppClassifierContextManager classifyTableContext;
@@ -150,4 +151,21 @@ public class ClassifyTableReader extends FutureJVppCustomizer
             return Collections.emptyList();
         }
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable> init(
+            @Nonnull final InstanceIdentifier<ClassifyTable> id, @Nonnull final ClassifyTable readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTableBuilder(readValue)
+                        .setName(readValue.getName())
+                        .build());
+    }
+
+    static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable> getCfgId(
+            final InstanceIdentifier<ClassifyTable> id) {
+        return InstanceIdentifier.create(VppClassifier.class)
+                .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable.class,
+                        new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTableKey(id.firstKeyOf(ClassifyTable.class).getName()));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/BridgeDomainCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/BridgeDomainCustomizer.java
index 703415433..9f122d1a5 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/BridgeDomainCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/BridgeDomainCustomizer.java
@@ -20,14 +20,21 @@ import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
 import io.fd.honeycomb.translate.vpp.util.NamingContext;
+import io.fd.vpp.jvpp.core.dto.BridgeDomainDetails;
+import io.fd.vpp.jvpp.core.dto.BridgeDomainDetailsReplyDump;
+import io.fd.vpp.jvpp.core.dto.BridgeDomainDump;
+import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.Vpp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.BridgeDomains;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.BridgeDomainsBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomain;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomainBuilder;
@@ -35,15 +42,11 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev
 import org.opendaylight.yangtools.concepts.Builder;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import io.fd.vpp.jvpp.core.dto.BridgeDomainDetails;
-import io.fd.vpp.jvpp.core.dto.BridgeDomainDetailsReplyDump;
-import io.fd.vpp.jvpp.core.dto.BridgeDomainDump;
-import io.fd.vpp.jvpp.core.future.FutureJVppCore;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public final class BridgeDomainCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder>, ByteDataTranslator {
+        implements InitializingListReaderCustomizer<BridgeDomain, BridgeDomainKey, BridgeDomainBuilder>, ByteDataTranslator {
 
     private static final Logger LOG = LoggerFactory.getLogger(BridgeDomainCustomizer.class);
     private final NamingContext bdContext;
@@ -151,4 +154,28 @@ public final class BridgeDomainCustomizer extends FutureJVppCustomizer
                       @Nonnull final List<BridgeDomain> readData) {
         ((BridgeDomainsBuilder) builder).setBridgeDomain(readData);
     }
+
+    @Override
+    public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomain> init(
+            @Nonnull final InstanceIdentifier<BridgeDomain> id,
+            @Nonnull final BridgeDomain readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainBuilder()
+                        .setName(readValue.getName())
+                        .setLearn(readValue.isLearn())
+                        .setUnknownUnicastFlood(readValue.isUnknownUnicastFlood())
+                        .setArpTermination(readValue.isArpTermination())
+                        .setFlood(readValue.isFlood())
+                        .setForward(readValue.isForward())
+                        .build());
+    }
+
+    static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomain> getCfgId(
+            final InstanceIdentifier<BridgeDomain> id) {
+        return InstanceIdentifier.create(Vpp.class).child(BridgeDomains.class).child(
+                org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomain.class,
+                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainKey(
+                        id.firstKeyOf(BridgeDomain.class).getName()));
+    }
 }
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/L2FibEntryCustomizer.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/L2FibEntryCustomizer.java
index 9eda0a9d6..a9326d97f 100644
--- a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/L2FibEntryCustomizer.java
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppstate/L2FibEntryCustomizer.java
@@ -20,7 +20,8 @@ import com.google.common.base.Preconditions;
 import com.google.common.primitives.Longs;
 import io.fd.honeycomb.translate.read.ReadContext;
 import io.fd.honeycomb.translate.read.ReadFailedException;
-import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.spi.read.Initialized;
+import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
 import io.fd.honeycomb.translate.util.RWUtils;
 import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceDataTranslator;
 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
@@ -39,6 +40,7 @@ import javax.annotation.Nonnull;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.L2FibFilter;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.L2FibForward;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.L2FibTable;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.L2FibTableBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.l2.fib.table.L2FibEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.l2.fib.attributes.l2.fib.table.L2FibEntryBuilder;
@@ -52,7 +54,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public final class L2FibEntryCustomizer extends FutureJVppCustomizer
-        implements ListReaderCustomizer<L2FibEntry, L2FibEntryKey, L2FibEntryBuilder>, ByteDataTranslator,
+        implements InitializingListReaderCustomizer<L2FibEntry, L2FibEntryKey, L2FibEntryBuilder>, ByteDataTranslator,
         InterfaceDataTranslator {
 
     private static final Logger LOG = LoggerFactory.getLogger(L2FibEntryCustomizer.class);
@@ -144,4 +146,20 @@ public final class L2FibEntryCustomizer extends FutureJVppCustomizer
     public L2FibEntryBuilder getBuilder(@Nonnull final InstanceIdentifier<L2FibEntry> id) {
         return new L2FibEntryBuilder();
     }
+
+    @Override
+    public Initialized<L2FibEntry> init(
+            @Nonnull final InstanceIdentifier<L2FibEntry> id,
+            @Nonnull final L2FibEntry readValue,
+            @Nonnull final ReadContext ctx) {
+        return Initialized.create(getCfgId(id),
+                // Convert operational object to config. VPP does not support setting BVI (see v3po.yang)
+                new L2FibEntryBuilder(readValue).setBridgedVirtualInterface(null).build());
+    }
+
+    static InstanceIdentifier<L2FibEntry> getCfgId(
+            final @Nonnull InstanceIdentifier<L2FibEntry> id) {
+        return BridgeDomainCustomizer.getCfgId(RWUtils.cutId(id, BridgeDomain.class)).child(
+                L2FibTable.class).child(L2FibEntry.class, new L2FibEntryKey(id.firstKeyOf(L2FibEntry.class)));
+    }
 }
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializerTest.java
deleted file mode 100644
index 3dc74a3e5..000000000
--- a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/InterfacesInitializerTest.java
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.MockitoAnnotations.initMocks;
-
-import java.util.Arrays;
-import org.junit.Before;
-import org.junit.Test;
-import org.mockito.Mock;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev140508.EthernetCsmacd;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesStateBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
-
-public class InterfacesInitializerTest {
-
-    @Mock
-    private DataBroker bindingDataBroker;
-
-    private InterfacesInitializer interfacesInitializer;
-
-    @Before
-    public void setUp() {
-        initMocks(this);
-        interfacesInitializer = new InterfacesInitializer(bindingDataBroker);
-    }
-
-    @Test
-    public void testConvert() throws Exception {
-        final InterfacesState operationalData = operationalData();
-        final Interfaces expectedConfigData = expectedConfigData();
-
-        final Interfaces configData = interfacesInitializer.convert(operationalData);
-        assertEquals(expectedConfigData, configData);
-    }
-
-    private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface operInterface(
-            String name, Class<? extends InterfaceType> inerfaceType, Interface.AdminStatus adminStatus) {
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder
-                iface =
-                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder();
-        iface.setKey(
-                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceKey(
-                        name));
-        iface.setName(name);
-        iface.setType(inerfaceType);
-        iface.setAdminStatus(adminStatus);
-        return iface.build();
-    }
-
-    private InterfacesState operationalData() {
-        final InterfacesStateBuilder builder = new InterfacesStateBuilder();
-        builder.setInterface(
-                Arrays.asList(
-                        operInterface("eth1", EthernetCsmacd.class, Interface.AdminStatus.Up),
-                        operInterface("eth2", EthernetCsmacd.class, Interface.AdminStatus.Down)
-                ));
-        return builder.build();
-    }
-
-    private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface configInterface(
-            String name, Class<? extends InterfaceType> inerfaceType, boolean isEnabled) {
-        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder
-                iface =
-                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder();
-        iface.setKey(
-                new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey(
-                        name));
-        iface.setName(name);
-        iface.setType(inerfaceType);
-        iface.setEnabled(isEnabled);
-        return iface.build();
-    }
-
-    private Interfaces expectedConfigData() {
-        final InterfacesBuilder builder = new InterfacesBuilder();
-
-        builder.setInterface(
-                Arrays.asList(
-                        configInterface("eth1", EthernetCsmacd.class, true),
-                        configInterface("eth2", EthernetCsmacd.class, false)
-                ));
-        return builder.build();
-    }
-
-}
\ No newline at end of file
diff --git a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializerTest.java b/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializerTest.java
deleted file mode 100644
index 37f26dbd1..000000000
--- a/v3po/v3po2vpp/src/test/java/io/fd/honeycomb/translate/v3po/initializers/VppInitializerTest.java
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco and/or its affiliates.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.fd.honeycomb.translate.v3po.initializers;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.MockitoAnnotations.initMocks;
-
-import java.util.Arrays;
-import org.junit.Before;
-import org.junit.Test;
-import org.mockito.Mock;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.Vpp;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppState;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.VppStateBuilder;
-
-public class VppInitializerTest {
-
-    @Mock
-    private DataBroker bindingDataBroker;
-
-    private VppInitializer vppInitializer;
-
-    @Before
-    public void setUp() throws Exception {
-        initMocks(this);
-        vppInitializer = new VppInitializer(bindingDataBroker);
-    }
-
-    @Test
-    public void testConvert() throws Exception {
-        final VppState operationalData = operationalData();
-        final Vpp expectedConfigData = expectedConfigData();
-        final Vpp configData = vppInitializer.convert(operationalData);
-        assertEquals(expectedConfigData, configData);
-    }
-
-    private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomain
-    operBd(String name, boolean learn, boolean unknownUnicastFlood, boolean arpTermination, boolean flood,
-           boolean forward) {
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomainBuilder
-                bd =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomainBuilder();
-        bd.setName(name);
-        bd.setKey(
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.bridge.domains.BridgeDomainKey(
-                        name));
-        bd.setLearn(learn);
-        bd.setUnknownUnicastFlood(unknownUnicastFlood);
-        bd.setArpTermination(arpTermination);
-        bd.setFlood(flood);
-        bd.setForward(forward);
-        return bd.build();
-    }
-
-    private VppState operationalData() {
-        final VppStateBuilder builder = new VppStateBuilder();
-
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.BridgeDomainsBuilder
-                bdBuilder =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.state.BridgeDomainsBuilder();
-        bdBuilder.setBridgeDomain(Arrays.asList(
-                operBd("b1", true, true, true, true, true),
-                operBd("b2", false, false, false, false, false)
-        ));
-        builder.setBridgeDomains(bdBuilder.build());
-        return builder.build();
-    }
-
-    private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomain
-    configBd(String name, boolean learn, boolean unknownUnicastFlood, boolean arpTermination, boolean flood,
-           boolean forward) {
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainBuilder
-                bd =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainBuilder();
-        bd.setName(name);
-        bd.setKey(
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.bridge.domains.BridgeDomainKey(
-                        name));
-        bd.setLearn(learn);
-        bd.setUnknownUnicastFlood(unknownUnicastFlood);
-        bd.setArpTermination(arpTermination);
-        bd.setFlood(flood);
-        bd.setForward(forward);
-        return bd.build();
-    }
-
-    private Vpp expectedConfigData() {
-        final VppBuilder builder = new VppBuilder();
-
-        final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.BridgeDomainsBuilder
-                bdBuilder =
-                new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev161214.vpp.BridgeDomainsBuilder();
-        bdBuilder.setBridgeDomain(Arrays.asList(
-                configBd("b1", true, true, true, true, true),
-                configBd("b2", false, false, false, false, false)
-        ));
-        builder.setBridgeDomains(bdBuilder.build());
-        return builder.build();
-    }
-}
\ No newline at end of file