HONEYCOMB-130: Separate v3po plugin from HC infra

Creating folders:
- common/
- infra/
- v3po/
- vpp-common/

Change-Id: I2c39e1b17e39e7c0f0628f44aa5fe08563fa06e4
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

41 files changed, 2321 insertions, 0 deletions

diff --git a/vpp-common/features/pom.xml b/vpp-common/features/pom.xml
new file mode 100644
index 000000000..e0ad56d56
--- /dev/null
+++ b/vpp-common/features/pom.xml
@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <parent>
+    <groupId>io.fd.honeycomb.common</groupId>
+    <artifactId>features-parent</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <relativePath>../../common/features-parent</relativePath>
+  </parent>
+  <groupId>io.fd.honeycomb.vpp</groupId>
+  <artifactId>vpp-common-features</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <name>${project.artifactId}</name>
+  <modelVersion>4.0.0</modelVersion>
+  <prerequisites>
+    <maven>3.1.1</maven>
+  </prerequisites>
+  <properties>
+    <mdsal.model.version>0.8.2-Beryllium-SR2</mdsal.model.version>
+    <mdsal.version>1.3.2-Beryllium-SR2</mdsal.version>
+    <restconf.version>1.3.2-Beryllium-SR2</restconf.version>
+    <netconf.version>1.0.2-Beryllium-SR2</netconf.version>
+    <yangtools.version>0.8.2-Beryllium-SR2</yangtools.version>
+    <dlux.version>0.3.2-Beryllium-SR2</dlux.version>
+    <configfile.directory>etc/opendaylight/karaf</configfile.directory>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>io.fd.honeycomb</groupId>
+      <artifactId>honeycomb-features</artifactId>
+      <classifier>features</classifier>
+      <version>${project.version}</version>
+      <type>xml</type>
+      <scope>runtime</scope>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>naming-context-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>naming-context-impl</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>naming-context-impl</artifactId>
+      <version>${project.version}</version>
+      <type>xml</type>
+      <classifier>config</classifier>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>vpp-jvpp-cfg</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>vpp-translate-utils</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>vpp-jvpp-cfg</artifactId>
+      <version>${project.version}</version>
+      <type>xml</type>
+      <classifier>config</classifier>
+    </dependency>
+    <dependency>
+      <groupId>io.fd.vpp</groupId>
+      <artifactId>jvpp</artifactId>
+      <version>16.09-SNAPSHOT</version>
+    </dependency>
+  </dependencies>
+</project>
diff --git a/vpp-common/features/src/main/features/features.xml b/vpp-common/features/src/main/features/features.xml
new file mode 100644
index 000000000..3983481dd
--- /dev/null
+++ b/vpp-common/features/src/main/features/features.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- vi: set et smarttab sw=4 tabstop=4: -->
+<!--
+ Copyright (c) 2015 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.
+-->
+<features name="odl-honeycomb-vpp-common-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.2.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://karaf.apache.org/xmlns/features/v1.2.0 http://karaf.apache.org/xmlns/features/v1.2.0">
+  <repository>mvn:io.fd.honeycomb/honeycomb-features/${project.version}/xml/features</repository>
+
+  <feature name='odl-honeycomb-vpp-common' version='${project.version}' description='OpenDaylight :: honeycomb :: vpp-common'>
+    <feature version='${project.version}'>odl-honeycomb</feature>
+    <bundle>mvn:io.fd.honeycomb.vpp/naming-context-api/{{VERSION}}</bundle>
+    <bundle>mvn:io.fd.honeycomb.vpp/naming-context-impl/{{VERSION}}</bundle>
+    <bundle>wrap:mvn:io.fd.vpp/jvpp/{{VERSION}}</bundle>
+    <bundle>mvn:io.fd.honeycomb.vpp/vpp-jvpp-cfg/{{VERSION}}</bundle>
+    <bundle>mvn:io.fd.honeycomb.vpp/vpp-translate-utils/{{VERSION}}</bundle>
+    <configfile finalname="${configfile.directory}/honeycomb-jvpp.xml">mvn:io.fd.honeycomb.vpp/vpp-jvpp-cfg/{{VERSION}}/xml/config</configfile>
+    <configfile finalname="${configfile.directory}/honeycomb-naming-context-reader.xml">mvn:io.fd.honeycomb.vpp/naming-context-impl/{{VERSION}}/xml/config</configfile>
+  </feature>
+
+</features>
diff --git a/vpp-common/naming-context-api/pom.xml b/vpp-common/naming-context-api/pom.xml
new file mode 100644
index 000000000..9fd1cba0e
--- /dev/null
+++ b/vpp-common/naming-context-api/pom.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <parent>
+    <groupId>io.fd.honeycomb.common</groupId>
+    <artifactId>api-parent</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <relativePath>../../common/api-parent</relativePath>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>io.fd.honeycomb.vpp</groupId>
+  <artifactId>naming-context-api</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <packaging>bundle</packaging>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.opendaylight.mdsal.model</groupId>
+        <artifactId>mdsal-model-artifacts</artifactId>
+        <version>0.8.2-Beryllium-SR2</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+
+</project>
diff --git a/vpp-common/naming-context-api/src/main/yang/naming-context.yang b/vpp-common/naming-context-api/src/main/yang/naming-context.yang
new file mode 100644
index 000000000..fa44bdd12
--- /dev/null
+++ b/vpp-common/naming-context-api/src/main/yang/naming-context.yang
@@ -0,0 +1,42 @@
+module naming-context {
+    yang-version 1;
+    namespace "urn:honeycomb:params:xml:ns:yang:naming:context";
+    prefix "nc";
+
+    description
+        "This module contains data definition for naming mapping context";
+
+    revision "2016-05-13" {
+        description
+            "Initial revision.";
+    }
+
+    container contexts {
+
+        list naming-context {
+
+            key "name";
+
+            leaf name {
+                type string;
+            }
+
+            container mappings {
+                list mapping {
+
+                    key "name";
+                    unique "index";
+
+                    leaf name {
+                        type string;
+                    }
+
+                    leaf index {
+                        type int32;
+                    }
+                }
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/vpp-common/naming-context-impl/pom.xml b/vpp-common/naming-context-impl/pom.xml
new file mode 100644
index 000000000..f8f2fbfb8
--- /dev/null
+++ b/vpp-common/naming-context-impl/pom.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- vi: set et smarttab sw=4 tabstop=4: -->
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+  <parent>
+    <groupId>io.fd.honeycomb.common</groupId>
+    <artifactId>impl-parent</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <relativePath>../../common/impl-parent</relativePath>
+  </parent>
+
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>io.fd.honeycomb.vpp</groupId>
+  <artifactId>naming-context-impl</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+
+  <dependencies>
+    <dependency>
+      <groupId>io.fd.honeycomb</groupId>
+      <artifactId>translate-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.fd.honeycomb</groupId>
+      <artifactId>translate-utils</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>${project.groupId}</groupId>
+      <artifactId>naming-context-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
+  </dependencies>
+
+  <packaging>bundle</packaging>
+
+
+
+</project>
diff --git a/vpp-common/naming-context-impl/src/main/config/default-config.xml b/vpp-common/naming-context-impl/src/main/config/default-config.xml
new file mode 100644
index 000000000..585375844
--- /dev/null
+++ b/vpp-common/naming-context-impl/src/main/config/default-config.xml
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- vi: set et smarttab sw=4 tabstop=4: -->
+<!--
+ Copyright (c) 2015 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.
+-->
+<snapshot>
+  <required-capabilities>
+      <capability>urn:opendaylight:params:xml:ns:yang:context:impl?module=context-impl&amp;revision=2014-12-10</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:translate:utils?module=translate-utils&amp;revision=2016-04-06</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg?module=vpp-jvpp-cfg&amp;revision=2016-04-06</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:data:api?module=data-api&amp;revision=2016-04-11</capability>
+      <capability>urn:honeycomb:params:xml:ns:yang:data:impl?module=data-impl&amp;revision=2016-04-11</capability>
+      <capability>urn:opendaylight:params:xml:ns:yang:controller:md:sal:binding?module=opendaylight-md-sal-binding&amp;revision=2013-10-28</capability>
+  </required-capabilities>
+  <configuration>
+
+    <data xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
+      <modules xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+        <!-- Special reader for Context data. Providing context data to outside users over NETCONF/RESTCONF -->
+        <module>
+          <type xmlns:prefix="urn:opendaylight:params:xml:ns:yang:context:impl">prefix:context-reader</type>
+          <name>context-reader</name>
+          <context-binding-broker>
+            <type xmlns:binding="urn:opendaylight:params:xml:ns:yang:controller:md:sal:binding">binding:binding-async-data-broker</type>
+            <name>honeycomb-context-binding-data-broker</name>
+          </context-binding-broker>
+        </module>
+        <module>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:translate:utils">prefix:delegating-reader-registry</type>
+          <name>read-registry</name>
+          <reader-factory>
+            <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:translate:api">prefix:honeycomb-reader-factory</type>
+            <name>context-reader</name>
+          </reader-factory>
+        </module>
+      </modules>
+
+      <services xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+
+        <service>
+          <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:translate:api">prefix:honeycomb-reader-factory</type>
+          <instance>
+            <name>context-reader</name>
+            <provider>/modules/module[type='context-reader'][name='context-reader']</provider>
+          </instance>
+        </service>
+
+      </services>
+    </data>
+  </configuration>
+</snapshot>
diff --git a/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModule.java b/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModule.java
new file mode 100644
index 000000000..9be762014
--- /dev/null
+++ b/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModule.java
@@ -0,0 +1,49 @@
+package org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.context.impl.rev141210;
+
+import io.fd.honeycomb.v3po.translate.read.registry.ModifiableReaderRegistryBuilder;
+import io.fd.honeycomb.v3po.translate.util.read.BindingBrokerReader;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.ContextsBuilder;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+* A reader to provide naming context related data
+*/
+public class ContextReaderModule extends org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.context.impl.rev141210.AbstractContextReaderModule {
+    public ContextReaderModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public ContextReaderModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.context.impl.rev141210.ContextReaderModule oldModule, java.lang.AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public void customValidation() {
+        // add custom validation form module attributes here.
+    }
+
+    @Override
+    public java.lang.AutoCloseable createInstance() {
+        return new ReaderFactory(getContextBindingBrokerDependency());
+    }
+
+    private static final class ReaderFactory implements AutoCloseable, io.fd.honeycomb.v3po.translate.read.ReaderFactory {
+
+        private final DataBroker contextBindingBrokerDependency;
+
+        public ReaderFactory(final DataBroker contextBindingBrokerDependency) {
+            this.contextBindingBrokerDependency = contextBindingBrokerDependency;
+        }
+
+        @Override
+        public void init(final ModifiableReaderRegistryBuilder registry) {
+            registry.add(new BindingBrokerReader<>(InstanceIdentifier.create(Contexts.class),
+                    contextBindingBrokerDependency,
+                    LogicalDatastoreType.OPERATIONAL, ContextsBuilder.class));
+        }
+    }
+
+}
diff --git a/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModuleFactory.java b/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModuleFactory.java
new file mode 100644
index 000000000..aaafbc3e3
--- /dev/null
+++ b/vpp-common/naming-context-impl/src/main/java/org/opendaylight/yang/gen/v1/urn/opendaylight/params/xml/ns/yang/context/impl/rev141210/ContextReaderModuleFactory.java
@@ -0,0 +1,13 @@
+/*
+* Generated file
+*
+* Generated from: yang module name: context-impl yang module local name: context-reader
+* Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
+* Generated at: Fri Jul 29 11:05:42 CEST 2016
+*
+* Do not modify this file unless it is present under src/main directory
+*/
+package org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.context.impl.rev141210;
+public class ContextReaderModuleFactory extends org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.context.impl.rev141210.AbstractContextReaderModuleFactory {
+
+}
diff --git a/vpp-common/naming-context-impl/src/main/yang/context-impl.yang b/vpp-common/naming-context-impl/src/main/yang/context-impl.yang
new file mode 100644
index 000000000..12861be68
--- /dev/null
+++ b/vpp-common/naming-context-impl/src/main/yang/context-impl.yang
@@ -0,0 +1,39 @@
+module context-impl {
+    yang-version 1;
+    namespace "urn:opendaylight:params:xml:ns:yang:context:impl";
+    prefix "v3po-impl";
+
+    import config { prefix config; revision-date 2013-04-05; }
+    import opendaylight-md-sal-binding { prefix md-sal-binding; revision-date 2013-10-28;}
+    import translate-api { prefix tapi; revision-date 2016-04-06; }
+
+    description
+        "Service definition for v3po project";
+
+    revision "2014-12-10" {
+        description
+            "Initial revision";
+    }
+
+    identity context-reader {
+        base config:module-type;
+        config:provided-service tapi:honeycomb-reader-factory;
+        description "A reader to provide naming context related data";
+    }
+
+    augment "/config:modules/config:module/config:configuration" {
+        case context-reader {
+            when "/config:modules/config:module/config:type = 'context-reader'";
+
+            container context-binding-broker {
+                uses config:service-ref {
+                    refine type {
+                        mandatory true;
+                        config:required-identity md-sal-binding:binding-async-data-broker;
+                    }
+                }
+            }
+
+        }
+    }
+}
diff --git a/vpp-common/pom.xml b/vpp-common/pom.xml
new file mode 100644
index 000000000..ca4029b81
--- /dev/null
+++ b/vpp-common/pom.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+
+  <parent>
+    <groupId>org.opendaylight.odlparent</groupId>
+    <artifactId>odlparent</artifactId>
+    <version>1.6.2-Beryllium-SR2</version>
+    <relativePath/>
+  </parent>
+
+  <groupId>io.fd.honeycomb.vpp</groupId>
+  <artifactId>vpp-common-aggregator</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <name>v3po</name>
+  <packaging>pom</packaging>
+  <modelVersion>4.0.0</modelVersion>
+  <prerequisites>
+    <maven>3.1.1</maven>
+  </prerequisites>
+  <modules>
+    <module>vpp-translate-utils</module>
+    <module>vpp-jvpp-cfg</module>
+    <module>naming-context-api</module>
+    <module>naming-context-impl</module>
+    <module>features</module>
+  </modules>
+  <!-- DO NOT install or deploy the repo root pom as it's only needed to initiate a build -->
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-deploy-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-install-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/vpp-common/vpp-jvpp-cfg/pom.xml b/vpp-common/vpp-jvpp-cfg/pom.xml
new file mode 100644
index 000000000..79956ef62
--- /dev/null
+++ b/vpp-common/vpp-jvpp-cfg/pom.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <artifactId>impl-parent</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../../common/impl-parent</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.fd.honeycomb.vpp</groupId>
+    <artifactId>vpp-jvpp-cfg</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.vpp</groupId>
+            <artifactId>jvpp</artifactId>
+            <version>16.09-SNAPSHOT</version>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/vpp-common/vpp-jvpp-cfg/src/main/config/default-config.xml b/vpp-common/vpp-jvpp-cfg/src/main/config/default-config.xml
new file mode 100644
index 000000000..cbb614e69
--- /dev/null
+++ b/vpp-common/vpp-jvpp-cfg/src/main/config/default-config.xml
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ 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.
+  -->
+
+<!-- vi: set et smarttab sw=4 tabstop=4: -->
+
+<snapshot>
+    <required-capabilities>
+        <capability>urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg?module=vpp-jvpp-cfg&amp;revision=2016-04-06</capability>
+    </required-capabilities>
+    <configuration>
+
+        <data xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
+            <modules xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+                <module>
+                    <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg">prefix:vpp-jvpp-impl</type>
+                    <name>vpp-jvpp</name>
+                </module>
+            </modules>
+
+            <services xmlns="urn:opendaylight:params:xml:ns:yang:controller:config">
+                <service>
+                    <type xmlns:prefix="urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg">prefix:vpp-jvpp</type>
+                    <instance>
+                        <name>vpp-jvpp</name>
+                        <provider>/modules/module[type='vpp-jvpp-impl'][name='vpp-jvpp']
+                        </provider>
+                    </instance>
+                </service>
+            </services>
+        </data>
+    </configuration>
+</snapshot>
diff --git a/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModule.java b/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModule.java
new file mode 100644
index 000000000..8eb504a03
--- /dev/null
+++ b/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModule.java
@@ -0,0 +1,45 @@
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406;
+
+import java.io.IOException;
+import org.openvpp.jvpp.JVppImpl;
+import org.openvpp.jvpp.VppJNIConnection;
+import org.openvpp.jvpp.future.FutureJVppFacade;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class VppJvppImplModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406.AbstractVppJvppImplModule {
+
+    private static final Logger LOG = LoggerFactory.getLogger(VppJvppImplModule.class);
+
+    public VppJvppImplModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public VppJvppImplModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406.VppJvppImplModule oldModule, java.lang.AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public void customValidation() {
+        // add custom validation form module attributes here.
+    }
+
+    @Override
+    public java.lang.AutoCloseable createInstance() {
+        try {
+            final JVppImpl jVpp = new JVppImpl(new VppJNIConnection(getName()));
+            LOG.info("JVpp connection opened successfully as: {}", getName());
+            return new FutureJVppFacade(jVpp) {
+                @Override
+                public void close() throws Exception {
+                    super.close();
+                    LOG.info("Closing JVpp connection: {}", getName());
+                    jVpp.close();
+                }
+            };
+        } catch (IOException e) {
+            throw new IllegalStateException("Unable to open VPP management connection", e);
+        }
+    }
+
+}
diff --git a/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModuleFactory.java b/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModuleFactory.java
new file mode 100644
index 000000000..71151092d
--- /dev/null
+++ b/vpp-common/vpp-jvpp-cfg/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/jvpp/cfg/rev160406/VppJvppImplModuleFactory.java
@@ -0,0 +1,13 @@
+/*
+* Generated file
+*
+* Generated from: yang module name: vpp-jvpp-cfg yang module local name: vpp-jvpp-impl
+* Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
+* Generated at: Fri Apr 29 11:20:56 CEST 2016
+*
+* Do not modify this file unless it is present under src/main directory
+*/
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406;
+public class VppJvppImplModuleFactory extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.jvpp.cfg.rev160406.AbstractVppJvppImplModuleFactory {
+
+}
diff --git a/vpp-common/vpp-jvpp-cfg/src/main/yang/vpp-jvpp-cfg.yang b/vpp-common/vpp-jvpp-cfg/src/main/yang/vpp-jvpp-cfg.yang
new file mode 100644
index 000000000..01a0bf339
--- /dev/null
+++ b/vpp-common/vpp-jvpp-cfg/src/main/yang/vpp-jvpp-cfg.yang
@@ -0,0 +1,43 @@
+module vpp-jvpp-cfg {
+    yang-version 1;
+    namespace "urn:honeycomb:params:xml:ns:yang:vpp:jvpp:cfg";
+    prefix "vjvppc";
+
+    import config { prefix config; revision-date 2013-04-05; }
+
+    description
+        "This module contains the base YANG definitions for
+         readers/writers plugged into a honeycomb";
+
+    revision "2016-04-06" {
+        description
+            "Initial revision.";
+    }
+
+    identity vpp-jvpp {
+        base "config:service-type";
+        config:java-class org.openvpp.jvpp.future.FutureJVpp;
+    }
+
+    identity vpp-jvpp-impl {
+        base config:module-type;
+        config:provided-service vpp-jvpp;
+    }
+
+    augment "/config:modules/config:module/config:configuration" {
+        case vpp-jvpp-impl {
+            when "/config:modules/config:module/config:type = 'vpp-jvpp-impl'";
+
+            leaf name {
+                type string;
+                default "v3poODL";
+            }
+
+            leaf description {
+                type string;
+                description "Artificial leaf just to trigger reinitialization of JVpp from HC";
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/Readme.adoc b/vpp-common/vpp-translate-utils/Readme.adoc
new file mode 100644
index 000000000..1aaaea181
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/Readme.adoc
@@ -0,0 +1,3 @@
+= Honeycomb. VPP translation layer utils
+
+Provides utility classes useful in translation layer implementation for the VPP.
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/pom.xml b/vpp-common/vpp-translate-utils/pom.xml
new file mode 100644
index 000000000..613fc0bff
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/pom.xml
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (c) 2015 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <artifactId>impl-parent</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+        <relativePath>../../common/impl-parent</relativePath>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>io.fd.honeycomb.vpp</groupId>
+    <artifactId>vpp-translate-utils</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+    <packaging>bundle</packaging>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.opendaylight.mdsal.model</groupId>
+                <artifactId>mdsal-model-artifacts</artifactId>
+                <version>0.8.2-Beryllium-SR2</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>translate-utils</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>naming-context-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.vpp</groupId>
+            <artifactId>jvpp</artifactId>
+            <version>16.09-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-inet-types-2013-07-15</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.mdsal.model</groupId>
+            <artifactId>ietf-interfaces</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.honeycomb</groupId>
+            <artifactId>data-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <!-- Testing Dependencies -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-all</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+</project>
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManager.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManager.java
new file mode 100644
index 000000000..e5adb54ad
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManager.java
@@ -0,0 +1,124 @@
+/*
+ * 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.util.cache;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.check.DumpCheckFailedException;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
+import io.fd.honeycomb.translate.v3po.util.cache.noop.NoopDumpPostProcessingFunction;
+import io.fd.honeycomb.v3po.translate.ModificationCache;
+import javax.annotation.Nonnull;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Manager responsible for returning Data object dumps<br> either from cache or by invoking specified {@link
+ * EntityDumpExecutor}
+ */
+public final class DumpCacheManager<T extends JVppReplyDump, U> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(DumpCacheManager.class);
+
+    private final EntityDumpExecutor<T, U> dumpExecutor;
+    private final EntityDumpNonEmptyCheck<T> dumpNonEmptyCheck;
+    private final EntityDumpPostProcessingFunction<T> postProcessor;
+
+    private DumpCacheManager(DumpCacheManagerBuilder<T, U> builder) {
+        this.dumpExecutor = builder.dumpExecutor;
+        this.dumpNonEmptyCheck = builder.dumpNonEmptyCheck;
+        this.postProcessor = builder.postProcessingFunction;
+    }
+
+    /**
+     * Returns {@link Optional<T>} of dump
+     */
+    public Optional<T> getDump(@Nonnull String entityKey, @Nonnull ModificationCache cache)
+            throws DumpExecutionFailedException {
+
+        //this key binding to every log has its logic ,because every customizer have its own cache manager and if
+        //there is need for debugging/fixing some complex call with a lot of data,you can get lost in those logs
+        LOG.debug("Loading dump for KEY[{}]", entityKey);
+
+        T dump = (T) cache.get(entityKey);
+
+        if (dump == null) {
+            LOG.debug("Dump for KEY[{}] not present in cache,invoking dump executor", entityKey);
+
+            dump = dumpExecutor.executeDump();
+
+            //this is not a critical exception, so its only logged here
+            try {
+                dumpNonEmptyCheck.assertNotEmpty(dump);
+            } catch (DumpCheckFailedException e) {
+                LOG.warn("Dump for KEY[{}] has been resolved as empty", entityKey, e);
+                return Optional.absent();
+            }
+
+            //no need to check if post processor active,if wasnt set,default no-op will be used
+            LOG.debug("Post-processing dump for KEY[{}]", entityKey);
+            dump = postProcessor.apply(dump);
+
+            LOG.debug("Caching dump for KEY[{}]", entityKey);
+            cache.put(entityKey, dump);
+            return Optional.of(dump);
+        } else {
+            return Optional.of(dump);
+        }
+    }
+
+    public static final class DumpCacheManagerBuilder<T extends JVppReplyDump, U> {
+
+        private EntityDumpExecutor<T, U> dumpExecutor;
+        private EntityDumpNonEmptyCheck<T> dumpNonEmptyCheck;
+        private EntityDumpPostProcessingFunction<T> postProcessingFunction;
+
+        public DumpCacheManagerBuilder() {
+            //for cases when user does not set specific post-processor
+            postProcessingFunction = new NoopDumpPostProcessingFunction<T>();
+        }
+
+        public DumpCacheManagerBuilder<T, U> withExecutor(@Nonnull EntityDumpExecutor<T, U> executor) {
+            this.dumpExecutor = executor;
+            return this;
+        }
+
+        public DumpCacheManagerBuilder<T, U> withNonEmptyPredicate(@Nonnull EntityDumpNonEmptyCheck<T> check) {
+            this.dumpNonEmptyCheck = check;
+            return this;
+        }
+
+        public DumpCacheManagerBuilder<T, U> withPostProcessingFunction(
+                EntityDumpPostProcessingFunction<T> postProcessingFunction) {
+            this.postProcessingFunction = postProcessingFunction;
+            return this;
+        }
+
+        public DumpCacheManager<T, U> build() {
+            checkNotNull(dumpExecutor, "Dump executor cannot be null");
+            checkNotNull(dumpNonEmptyCheck, "Dump verifier cannot be null");
+            checkNotNull(postProcessingFunction,
+                    "Dump post-processor cannot be null cannot be null, default implementation is used if its not set");
+
+            return new DumpCacheManager<>(this);
+        }
+    }
+}
+
+
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpExecutor.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpExecutor.java
new file mode 100644
index 000000000..b25c59a8a
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpExecutor.java
@@ -0,0 +1,41 @@
+/*
+ * 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.util.cache;
+
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+
+/**
+ * Generic interface for classes that return dumps for Data objects
+ */
+public interface EntityDumpExecutor<T extends JVppReplyDump, U> {
+
+    /**
+     * Performs dump on {link T} entity
+     *
+     * @return dump of specified {@link T} entity
+     * @throws DumpExecutionFailedException when dump fails
+     */
+    public T executeDump() throws DumpExecutionFailedException;
+
+    /**
+     * Bind dumping params for executor
+     */
+    default public void bindDumpParams(U params) {
+        throw new UnsupportedOperationException("You should override this method if you need to bind dumping params");
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpNonEmptyCheck.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpNonEmptyCheck.java
new file mode 100644
index 000000000..d64e312fe
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpNonEmptyCheck.java
@@ -0,0 +1,33 @@
+/*
+ * 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.util.cache;
+
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.check.DumpCheckFailedException;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.check.i.DumpEmptyException;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+
+/**
+ * Generic interface for classes that verifies if dump of data object is non-empty
+ */
+public interface EntityDumpNonEmptyCheck<T extends JVppReplyDump> {
+
+    /**
+     * Verifies if data are non-empty,if not throws {@link DumpEmptyException}
+     * @throws DumpEmptyException
+     */
+    public void assertNotEmpty(T data) throws DumpCheckFailedException;
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpPostProcessingFunction.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpPostProcessingFunction.java
new file mode 100644
index 000000000..2bc2446e9
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/EntityDumpPostProcessingFunction.java
@@ -0,0 +1,36 @@
+/*
+ * 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.util.cache;
+
+import java.util.function.Function;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+
+/**
+ * Generic interface for class that are post-processing data dumped from vpp
+ */
+@FunctionalInterface
+public interface EntityDumpPostProcessingFunction<T extends JVppReplyDump> extends Function<T, T> {
+
+
+    /**
+     * Performs postprocessing on dumped data
+     *
+     * @return Post-processed data
+     */
+    @Override
+    T apply(T t);
+}
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/DumpCheckFailedException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/DumpCheckFailedException.java
new file mode 100644
index 000000000..39dabb62f
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/DumpCheckFailedException.java
@@ -0,0 +1,31 @@
+/*
+ * 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.util.cache.exceptions.check;
+
+/**
+ * Abstract parent of exceptions thrown while checking if dump is not empty
+ */
+public abstract class DumpCheckFailedException extends Exception {
+
+    public DumpCheckFailedException(String message) {
+        super(message);
+    }
+
+    public DumpCheckFailedException(String message, Exception cause) {
+        super(message, cause);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/i/DumpEmptyException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/i/DumpEmptyException.java
new file mode 100644
index 000000000..8acaf1c9f
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/check/i/DumpEmptyException.java
@@ -0,0 +1,40 @@
+/*
+ * 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.util.cache.exceptions.check.i;
+
+import io.fd.honeycomb.translate.v3po.util.cache.EntityDumpNonEmptyCheck;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.check.DumpCheckFailedException;
+
+/**
+ * This exception occurs when dump is resolved as empty by {@link EntityDumpNonEmptyCheck}
+ */
+public class DumpEmptyException extends DumpCheckFailedException {
+
+    /**
+     * Creates {@link DumpEmptyException} with specified reason
+     */
+    public DumpEmptyException(String reason) {
+        super(reason);
+    }
+
+    /**
+     * Creates {@link DumpEmptyException} with specified reason and sub-exception
+     */
+    public DumpEmptyException(String reason, Exception e) {
+        super(reason, e);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/DumpExecutionFailedException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/DumpExecutionFailedException.java
new file mode 100644
index 000000000..ba249b6c0
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/DumpExecutionFailedException.java
@@ -0,0 +1,27 @@
+/*
+ * 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.util.cache.exceptions.execution;
+
+/**
+ * Default parent for all exceptions connected to dumping of VPP data
+ */
+public abstract class DumpExecutionFailedException extends Exception {
+
+    public DumpExecutionFailedException(String message, Exception cause) {
+        super(message, cause);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpCallFailedException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpCallFailedException.java
new file mode 100644
index 000000000..02b8722ab
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpCallFailedException.java
@@ -0,0 +1,34 @@
+/*
+ * 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.util.cache.exceptions.execution.i;
+
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
+import org.openvpp.jvpp.VppBaseCallException;
+
+/**
+ * Wrapper exception for {@link org.openvpp.jvpp.VppBaseCallException} during dumping
+ */
+public class DumpCallFailedException extends DumpExecutionFailedException {
+
+    public DumpCallFailedException(String message, VppBaseCallException cause) {
+        super(message, cause);
+    }
+
+    public static final DumpCallFailedException wrapFailedCallException(String message, VppBaseCallException cause) {
+        return new DumpCallFailedException(message, cause);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpTimeoutException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpTimeoutException.java
new file mode 100644
index 000000000..4bc825408
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/exceptions/execution/i/DumpTimeoutException.java
@@ -0,0 +1,35 @@
+/*
+ * 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.util.cache.exceptions.execution.i;
+
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
+import java.util.concurrent.TimeoutException;
+
+/**
+ * Exception thrown when dump call ends in timeout
+ */
+public class DumpTimeoutException extends DumpExecutionFailedException {
+
+    public DumpTimeoutException(String message, TimeoutException cause) {
+        super(message, cause);
+
+    }
+
+    public static final DumpTimeoutException wrapTimeoutException(String message, TimeoutException cause) {
+        return new DumpTimeoutException(message, cause);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/noop/NoopDumpPostProcessingFunction.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/noop/NoopDumpPostProcessingFunction.java
new file mode 100644
index 000000000..58bfe6f0b
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/cache/noop/NoopDumpPostProcessingFunction.java
@@ -0,0 +1,33 @@
+/*
+ * 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.util.cache.noop;
+
+import io.fd.honeycomb.translate.v3po.util.cache.EntityDumpPostProcessingFunction;
+import org.openvpp.jvpp.dto.JVppReplyDump;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class NoopDumpPostProcessingFunction<T extends JVppReplyDump> implements EntityDumpPostProcessingFunction<T> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NoopDumpPostProcessingFunction.class);
+
+    @Override
+    public T apply(final T t) {
+        LOG.debug("Default post processing function called for {}", t);
+        return t;
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/AbstractInterfaceTypeCustomizer.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/AbstractInterfaceTypeCustomizer.java
new file mode 100644
index 000000000..1f2fbd838
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/AbstractInterfaceTypeCustomizer.java
@@ -0,0 +1,103 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.spi.write.WriterCustomizer;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import javax.annotation.Nonnull;
+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.Interface;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.future.FutureJVpp;
+
+/**
+ * Validation WriteCustomizers for Interface subnodes.
+ * Validates the type of interface.
+ *
+ * TODO this should be validated on model/DataTree level. However DataTree does not enforce When conditions
+ * Delete this class when DataTree handles when constraints properly
+ */
+public abstract class AbstractInterfaceTypeCustomizer<D extends DataObject>
+    extends FutureJVppCustomizer implements WriterCustomizer<D> {
+
+    protected AbstractInterfaceTypeCustomizer(final FutureJVpp futureJvpp) {
+        super(futureJvpp);
+    }
+
+    private void checkProperInterfaceType(@Nonnull final WriteContext writeContext,
+                                          @Nonnull final InstanceIdentifier<D> id) {
+        final InstanceIdentifier<Interface> ifcTypeFromIid = id.firstIdentifierOf(Interface.class);
+        checkArgument(ifcTypeFromIid != null, "Instance identifier does not contain {} type", Interface.class);
+        checkArgument(id.firstKeyOf(Interface.class) != null, "Instance identifier does not contain keyed {} type",
+            Interface.class);
+        final Optional<Interface> interfaceConfig = writeContext.readAfter(ifcTypeFromIid);
+        checkState(interfaceConfig.isPresent(),
+            "Unable to get Interface configuration for an interface: %s currently being updated", ifcTypeFromIid);
+
+        IllegalInterfaceTypeException
+            .checkInterfaceType(interfaceConfig.get(), getExpectedInterfaceType());
+    }
+
+    protected abstract Class<? extends InterfaceType> getExpectedInterfaceType();
+
+    /**
+     * Validate expected interface type
+     */
+    @Override
+    public final void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataAfter,
+                                       @Nonnull final WriteContext writeContext) throws WriteFailedException {
+        checkProperInterfaceType(writeContext, id);
+        writeInterface(id, dataAfter, writeContext);
+    }
+
+    protected abstract void writeInterface(final InstanceIdentifier<D> id, final D dataAfter,
+                                           final WriteContext writeContext)
+        throws WriteFailedException;
+
+    // Validation for update and delete is not necessary
+
+    /**
+     * Indicates unexpected interface type
+     */
+    protected static final class IllegalInterfaceTypeException extends IllegalArgumentException {
+
+        private IllegalInterfaceTypeException(final String msg) {
+            super(msg);
+        }
+
+        /**
+         * Check the type of interface equals expected type
+         *
+         * @throws IllegalInterfaceTypeException if type of interface is null or not expected
+         */
+        static void checkInterfaceType(@Nonnull final Interface ifc,
+                                       @Nonnull final Class<? extends InterfaceType> expectedType) {
+            if (ifc.getType() == null || !expectedType.equals(ifc.getType())) {
+                throw new IllegalInterfaceTypeException(String.format(
+                    "Unexpected interface type: %s for interface: %s. Expected interface is: %s", ifc.getType(),
+                    ifc.getName(), expectedType));
+            }
+        }
+
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/FutureJVppCustomizer.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/FutureJVppCustomizer.java
new file mode 100644
index 000000000..3f4f1f5ce
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/FutureJVppCustomizer.java
@@ -0,0 +1,45 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Preconditions;
+import org.openvpp.jvpp.future.FutureJVpp;
+
+import javax.annotation.Nonnull;
+
+/**
+ * Abstract utility to hold the vppApi reference.
+ */
+@Beta
+public abstract class FutureJVppCustomizer {
+
+    private final FutureJVpp futureJvpp;
+
+    public FutureJVppCustomizer(@Nonnull final FutureJVpp futureJvpp) {
+        this.futureJvpp = Preconditions.checkNotNull(futureJvpp, "futureJvpp should not be null");
+    }
+
+    /**
+     * Get vppApi reference
+     *
+     * @return vppApi reference
+     */
+    public FutureJVpp getFutureJVpp() {
+        return futureJvpp;
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java
new file mode 100644
index 000000000..f6e0e6d48
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/NamingContext.java
@@ -0,0 +1,188 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.MappingContext;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import java.util.stream.Collector;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContextKey;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.Mappings;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.Mapping;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingBuilder;
+import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingKey;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utility adapter on top of {@link MappingContext} storing integer to string mappings according to naming-context yang
+ * model
+ */
+public final class NamingContext implements AutoCloseable {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NamingContext.class);
+
+    private final String artificialNamePrefix;
+    private final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContext, NamingContextKey>
+        namingContextIid;
+
+    private static final Collector<Mapping, ?, Mapping> SINGLE_ITEM_COLLECTOR = RWUtils.singleItemCollector();
+
+    /**
+     * Create new naming context
+     *
+     * @param artificialNamePrefix artificial name to be used for items without a name in VPP (or not provided)
+     * @param instanceName name of this context instance. Will be used as list item identifier within context data tree
+     */
+    public NamingContext(@Nonnull final String artificialNamePrefix, @Nonnull final String instanceName) {
+        this.artificialNamePrefix = artificialNamePrefix;
+        namingContextIid = InstanceIdentifier.create(Contexts.class).child(
+            org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContext.class,
+            new NamingContextKey(instanceName));
+    }
+
+    /**
+     * Retrieve name for mapping stored provided mappingContext instance. If not present, artificial name will be
+     * generated.
+     *
+     * @param index index of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     *
+     * @return name mapped to provided index
+     */
+    @Nonnull
+    public synchronized String getName(final int index, @Nonnull final MappingContext mappingContext) {
+        if (!containsName(index, mappingContext)) {
+            final String artificialName = getArtificialName(index);
+            addName(index, artificialName, mappingContext);
+        }
+
+        final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+        checkState(read.isPresent(), "Mapping for index: %s is not present. But should be", index);
+
+        return read.get().getMapping().stream()
+            .filter(mapping -> mapping.getIndex().equals(index))
+            .collect(SINGLE_ITEM_COLLECTOR).getName();
+    }
+
+    /**
+     * Retrieve name for mapping stored provided mappingContext instance. if present
+     *
+     * @param index index of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     *
+     * @return name mapped to provided index
+     */
+    @Nonnull
+    public synchronized Optional<String> getNameIfPresent(final int index,
+                                                          @Nonnull final MappingContext mappingContext) {
+        final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+
+        return read.isPresent()
+                ? Optional.of(read.get().getMapping().stream()
+                    .filter(mapping -> mapping.getIndex().equals(index))
+                    .collect(SINGLE_ITEM_COLLECTOR)
+                    .getName())
+                : Optional.absent();
+    }
+
+    /**
+     * Check whether mapping is present for index.
+     *
+     * @param index index of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     *
+     * @return true if present, false otherwise
+     */
+    public synchronized boolean containsName(final int index, @Nonnull final MappingContext mappingContext) {
+        final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+        return read.isPresent()
+            ? read.get().getMapping().stream().anyMatch(mapping -> mapping.getIndex().equals(index))
+            : false;
+    }
+
+
+    /**
+     * Add mapping to current context
+     *
+     * @param index index of a mapped item
+     * @param name name of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     */
+    public synchronized void addName(final int index, final String name, final MappingContext mappingContext) {
+        final KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid = getMappingIid(name);
+        mappingContext.put(mappingIid, new MappingBuilder().setIndex(index).setName(name).build());
+    }
+
+    private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingIid(final String name) {
+        return namingContextIid.child(Mappings.class).child(Mapping.class, new MappingKey(name));
+    }
+
+    /**
+     * Remove mapping from current context
+     *
+     * @param name name of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     */
+    public synchronized void removeName(final String name, final MappingContext mappingContext) {
+        mappingContext.delete(getMappingIid(name));
+    }
+
+    /**
+     * Returns index value associated with the given name.
+     *
+     * @param name the name whose associated index value is to be returned
+     * @param mappingContext mapping context providing context data for current transaction
+     *
+     * @return integer index value matching supplied name
+     * @throws IllegalArgumentException if name was not found
+     */
+    public synchronized int getIndex(final String name, final MappingContext mappingContext) {
+        final Optional<Mapping> read = mappingContext.read(getMappingIid(name));
+        checkArgument(read.isPresent(), "No mapping stored for name: %s", name);
+        return read.get().getIndex();
+
+    }
+
+    /**
+     * Check whether mapping is present for name.
+     *
+     * @param name name of a mapped item
+     * @param mappingContext mapping context providing context data for current transaction
+     *
+     * @return true if present, false otherwise
+     */
+    public synchronized boolean containsIndex(final String name, final MappingContext mappingContext) {
+        return mappingContext.read(getMappingIid(name)).isPresent();
+    }
+
+    private String getArtificialName(final int index) {
+        return artificialNamePrefix + index;
+    }
+
+    @Override
+    public void close() throws Exception {
+        /// Not removing the mapping from backing storage
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/ReadTimeoutException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/ReadTimeoutException.java
new file mode 100644
index 000000000..654b13825
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/ReadTimeoutException.java
@@ -0,0 +1,33 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import com.google.common.annotations.Beta;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Thrown when read method invocation times out.
+ */
+@Beta
+public class ReadTimeoutException extends ReadFailedException {
+
+    public ReadTimeoutException(final InstanceIdentifier<?> id, final Throwable cause) {
+        super(id, cause);
+    }
+
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/SubInterfaceUtils.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/SubInterfaceUtils.java
new file mode 100644
index 000000000..1df82af73
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/SubInterfaceUtils.java
@@ -0,0 +1,28 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+public final class SubInterfaceUtils {
+
+    private SubInterfaceUtils() {
+        throw new UnsupportedOperationException("Utility class cannot be instantiated.");
+    }
+
+    public static String getSubInterfaceName(final String superIfName, final int subIfaceId) {
+        return String.format("%s.%d", superIfName, subIfaceId);
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TagRewriteOperation.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TagRewriteOperation.java
new file mode 100644
index 000000000..316d1f8e2
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TagRewriteOperation.java
@@ -0,0 +1,86 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import com.google.common.base.Preconditions;
+import com.google.common.primitives.UnsignedBytes;
+import javax.annotation.Nonnegative;
+import javax.annotation.Nullable;
+
+/**
+ * Defines vlan tag rewrite config options for VPP
+ *
+ * TODO corresponding enum (defined in l2_vtr.h) should be defined in vpe.api
+ * (does vpp's IDL support enum type definition?)
+ * which would allow to generate this class in jvpp
+ */
+public enum TagRewriteOperation {
+    disabled(0),
+    push_1(0),
+    push_2(0),
+    pop_1(1),
+    pop_2(2),
+    translate_1_to_1(1),
+    translate_1_to_2(1),
+    translate_2_to_1(2),
+    translate_2_to_2(2);
+
+    private final static int MAX_INDEX = 3;
+    private final int code;
+    private final byte popTags;
+
+    TagRewriteOperation(final int popTags) {
+        this.code = this.ordinal();
+        this.popTags = UnsignedBytes.checkedCast(popTags);
+    }
+
+    private static TagRewriteOperation[][] translation = new TagRewriteOperation[][] {
+        {disabled, push_1, push_2},
+        {pop_1, translate_1_to_1, translate_1_to_2},
+        {pop_2, translate_2_to_1, translate_2_to_2}
+    };
+
+    /**
+     * Returns VPP tag rewrite operation for given number of tags to pop and tags to push.
+     * @param toPop number of tags to pop (0..2)
+     * @param toPush number of tags to push (0..2)
+     * @return vpp tag rewrite operation for given input parameters
+     */
+    public static TagRewriteOperation get(@Nonnegative final int toPop, @Nonnegative final int toPush) {
+        Preconditions.checkElementIndex(toPop, MAX_INDEX, "Illegal number of tags to pop");
+        Preconditions.checkElementIndex(toPush, MAX_INDEX, "Illegal number of tags to push");
+        return translation[toPop][toPush];
+    }
+
+    /**
+     * Returns VPP tag rewrite operation for given operation code.
+     * @param code VPP tag rewrite operation code
+     * @return vpp tag rewrite operation for given input parameter
+     */
+    @Nullable
+    public static TagRewriteOperation get(@Nonnegative final int code) {
+        for (TagRewriteOperation operation : TagRewriteOperation.values()) {
+            if (code == operation.code){
+                return operation;
+            }
+        }
+        return null;
+    }
+
+    public byte getPopTags() {
+        return popTags;
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java
new file mode 100644
index 000000000..1a6a50133
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtils.java
@@ -0,0 +1,225 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.base.Splitter;
+import com.google.common.net.InetAddresses;
+import java.net.UnknownHostException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import java.util.function.BiConsumer;
+import javax.annotation.Nonnegative;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.VppBaseCallException;
+import org.openvpp.jvpp.dto.JVppReply;
+
+public final class TranslateUtils {
+
+    public static final Splitter COLON_SPLITTER = Splitter.on(':');
+    public static final int DEFAULT_TIMEOUT_IN_SECONDS = 5;
+
+    private TranslateUtils() {
+    }
+
+    public static <REP extends JVppReply<?>> REP getReplyForWrite(@Nonnull Future<REP> future,
+                                                                  @Nonnull final InstanceIdentifier<?> replyType)
+        throws VppBaseCallException, WriteTimeoutException {
+        return getReplyForWrite(future, replyType, DEFAULT_TIMEOUT_IN_SECONDS);
+    }
+
+    public static <REP extends JVppReply<?>> REP getReplyForWrite(@Nonnull Future<REP> future,
+                                                                  @Nonnull final InstanceIdentifier<?> replyType,
+                                                                  @Nonnegative final int timeoutInSeconds)
+        throws VppBaseCallException, WriteTimeoutException {
+        try {
+            return getReply(future, timeoutInSeconds);
+        } catch (TimeoutException e) {
+            throw new WriteTimeoutException(replyType, e);
+        }
+    }
+
+    public static <REP extends JVppReply<?>> REP getReplyForRead(@Nonnull Future<REP> future,
+                                                                 @Nonnull final InstanceIdentifier<?> replyType)
+        throws VppBaseCallException, ReadTimeoutException {
+        return getReplyForRead(future, replyType, DEFAULT_TIMEOUT_IN_SECONDS);
+    }
+
+    public static <REP extends JVppReply<?>> REP getReplyForRead(@Nonnull Future<REP> future,
+                                                                 @Nonnull final InstanceIdentifier<?> replyType,
+                                                                 @Nonnegative final int timeoutInSeconds)
+        throws VppBaseCallException, ReadTimeoutException {
+        try {
+            return getReply(future, timeoutInSeconds);
+        } catch (TimeoutException e) {
+            throw new ReadTimeoutException(replyType, e);
+        }
+    }
+
+    public static <REP extends JVppReply<?>> REP getReply(@Nonnull Future<REP> future)
+        throws TimeoutException, VppBaseCallException {
+        return getReply(future, DEFAULT_TIMEOUT_IN_SECONDS);
+    }
+
+    public static <REP extends JVppReply<?>> REP getReply(@Nonnull Future<REP> future,
+                                                          @Nonnegative final int timeoutInSeconds)
+        throws TimeoutException, VppBaseCallException {
+        try {
+            checkArgument(timeoutInSeconds > 0, "Timeout cannot be < 0");
+            return future.get(timeoutInSeconds, TimeUnit.SECONDS);
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            throw new IllegalStateException("Interrupted", e);
+        } catch (ExecutionException e) {
+            // Execution exception could generally contains any exception
+            // when using exceptions instead of return codes just rethrow it for processing on corresponding place
+            if (e instanceof ExecutionException && (e.getCause() instanceof VppBaseCallException)) {
+                throw (VppBaseCallException) (e.getCause());
+            }
+            throw new IllegalStateException(e);
+        }
+    }
+
+    /**
+     * Transform Ipv4 address to a byte array acceptable by VPP. VPP expects incoming byte array to be in the same order
+     * as the address.
+     *
+     * @return byte array with address bytes
+     */
+    public static byte[] ipv4AddressNoZoneToArray(final Ipv4AddressNoZone ipv4Addr) {
+        byte[] retval = new byte[4];
+        String[] dots = ipv4Addr.getValue().split("\\.");
+
+        for (int d = 0; d < 4; d++) {
+            retval[d] = (byte) (Short.parseShort(dots[d]) & 0xff);
+        }
+        return retval;
+    }
+
+    /**
+     * Parse byte array returned by VPP representing an Ipv4 address. Vpp returns IP byte arrays in reversed order.
+     *
+     * @return Ipv4AddressNoZone containing string representation of IPv4 address constructed from submitted bytes. No
+     * change in order.
+     */
+    @Nonnull
+    public static Ipv4AddressNoZone arrayToIpv4AddressNoZone(@Nonnull byte[] ip) {
+        // VPP sends ipv4 in a 16 byte array
+        if (ip.length == 16) {
+            ip = Arrays.copyOfRange(ip, 0, 4);
+        }
+        try {
+            // Not reversing the byte array here!! because the IP coming from VPP is in reversed byte order
+            // compared to byte order it was submitted
+            return new Ipv4AddressNoZone(InetAddresses.toAddrString(InetAddresses.fromLittleEndianByteArray(ip)));
+        } catch (UnknownHostException e) {
+            throw new IllegalArgumentException("Unable to parse ipv4", e);
+        }
+    }
+
+    /**
+     * Return (interned) string from byte array while removing \u0000. Strings represented as fixed length byte[] from
+     * vpp contain \u0000.
+     */
+    public static String toString(final byte[] cString) {
+        return new String(cString).replaceAll("\\u0000", "").intern();
+    }
+
+    /**
+     * Parse string represented mac address (using ":" as separator) into a byte array
+     */
+    @Nonnull
+    public static byte[] parseMac(@Nonnull final String macAddress) {
+        final List<String> parts = COLON_SPLITTER.splitToList(macAddress);
+        checkArgument(parts.size() == 6, "Mac address is expected to have 6 parts but was: %s", macAddress);
+        return parseMacLikeString(parts);
+    }
+
+    private static byte[] parseMacLikeString(final List<String> strings) {
+        return strings.stream().limit(6).map(TranslateUtils::parseHexByte).collect(
+            () -> new byte[strings.size()],
+            new BiConsumer<byte[], Byte>() {
+
+                private int i = -1;
+
+                @Override
+                public void accept(final byte[] bytes, final Byte aByte) {
+                    bytes[++i] = aByte;
+                }
+            },
+            (bytes, bytes2) -> {
+                throw new UnsupportedOperationException("Parallel collect not supported");
+            });
+    }
+
+    public static byte parseHexByte(final String aByte) {
+        return (byte) Integer.parseInt(aByte, 16);
+    }
+
+    /**
+     * Returns 0 if argument is null or false, 1 otherwise.
+     *
+     * @param value Boolean value to be converted
+     * @return byte value equal to 0 or 1
+     */
+    public static byte booleanToByte(@Nullable final Boolean value) {
+        return value != null && value
+            ? (byte) 1
+            : (byte) 0;
+    }
+
+    /**
+     * Returns Boolean.TRUE if argument is 0, Boolean.FALSE otherwise.
+     *
+     * @param value byte value to be converted
+     * @return Boolean value
+     * @throws IllegalArgumentException if argument is neither 0 nor 1
+     */
+    @Nonnull
+    public static Boolean byteToBoolean(final byte value) {
+        if (value == 0) {
+            return Boolean.FALSE;
+        } else if (value == 1) {
+            return Boolean.TRUE;
+        }
+        throw new IllegalArgumentException(String.format("0 or 1 was expected but was %d", value));
+    }
+
+    /**
+     * Reverses bytes in the byte array
+     *
+     * @param bytes input array
+     * @return reversed array
+     */
+    public static byte[] reverseBytes(final byte[] bytes) {
+        final byte[] reversed = new byte[bytes.length];
+        int i = 1;
+        for (byte aByte : bytes) {
+            reversed[bytes.length - i++] = aByte;
+        }
+
+        return reversed;
+    }
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/WriteTimeoutException.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/WriteTimeoutException.java
new file mode 100644
index 000000000..9516459b2
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/WriteTimeoutException.java
@@ -0,0 +1,33 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import com.google.common.annotations.Beta;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * Thrown when write method invocation times out.
+ */
+@Beta
+public class WriteTimeoutException extends WriteFailedException {
+
+    public WriteTimeoutException(final InstanceIdentifier<?> id, final Throwable cause) {
+        super(id, cause);
+    }
+
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModule.java b/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModule.java
new file mode 100644
index 000000000..60a816d89
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModule.java
@@ -0,0 +1,26 @@
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.util.rev160406;
+
+import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
+
+public class NamingContextImplModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.util.rev160406.AbstractNamingContextImplModule {
+    public NamingContextImplModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public NamingContextImplModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.util.rev160406.NamingContextImplModule oldModule, java.lang.AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public void customValidation() {
+        // add custom validation form module attributes here.
+    }
+
+    @Override
+    public java.lang.AutoCloseable createInstance() {
+        return new NamingContext(
+            getArtificialNamePrefix(),
+            getIdentifier().getInstanceName());
+    }
+
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModuleFactory.java b/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModuleFactory.java
new file mode 100644
index 000000000..c777dafa1
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/vpp/util/rev160406/NamingContextImplModuleFactory.java
@@ -0,0 +1,13 @@
+/*
+* Generated file
+*
+* Generated from: yang module name: vpp-util yang module local name: naming-context-impl
+* Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
+* Generated at: Mon May 02 10:57:32 CEST 2016
+*
+* Do not modify this file unless it is present under src/main directory
+*/
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.util.rev160406;
+public class NamingContextImplModuleFactory extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.util.rev160406.AbstractNamingContextImplModuleFactory {
+
+}
diff --git a/vpp-common/vpp-translate-utils/src/main/yang/vpp-util.yang b/vpp-common/vpp-translate-utils/src/main/yang/vpp-util.yang
new file mode 100644
index 000000000..23615d09e
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/main/yang/vpp-util.yang
@@ -0,0 +1,37 @@
+module vpp-util {
+    yang-version 1;
+    namespace "urn:honeycomb:params:xml:ns:yang:vpp:util";
+    prefix "vpp-u";
+
+    import config { prefix config; revision-date 2013-04-05; }
+    import data-api { prefix dapi; revision-date 2016-04-11; }
+
+    description
+        "This module contains utilities for vpp readers/writers";
+
+    revision "2016-04-06" {
+        description
+            "Initial revision.";
+    }
+
+    identity naming-context {
+        base "config:service-type";
+        config:java-class io.fd.honeycomb.v3po.translate.v3po.util.NamingContext;
+    }
+
+    identity naming-context-impl {
+        base config:module-type;
+        config:provided-service naming-context;
+    }
+
+    augment "/config:modules/config:module/config:configuration" {
+        case naming-context-impl {
+            when "/config:modules/config:module/config:type = 'naming-context-impl'";
+
+            leaf artificial-name-prefix {
+                type string;
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManagerTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManagerTest.java
new file mode 100644
index 000000000..5b9391305
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/translate/v3po/util/cache/DumpCacheManagerTest.java
@@ -0,0 +1,143 @@
+/*
+ * 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.util.cache;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.when;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.check.i.DumpEmptyException;
+import io.fd.honeycomb.translate.v3po.util.cache.exceptions.execution.DumpExecutionFailedException;
+import io.fd.honeycomb.v3po.translate.ModificationCache;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.openvpp.jvpp.dto.IpDetails;
+import org.openvpp.jvpp.dto.IpDetailsReplyDump;
+
+public class DumpCacheManagerTest {
+
+    private static final String KEY = "cacheKey";
+
+    @Mock
+    private EntityDumpExecutor<IpDetailsReplyDump, Void> executor;
+
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerPositive;
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerPositiveWithPostProcessing;
+    private DumpCacheManager<IpDetailsReplyDump, Void> managerNegative;
+    private ModificationCache cache;
+
+    @Before
+    public void init() {
+        MockitoAnnotations.initMocks(this);
+        managerPositive =
+                new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                        .withExecutor(executor)
+                        .withNonEmptyPredicate(createPositivePredicate())
+                        .build();
+
+        managerPositiveWithPostProcessing = new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                .withExecutor(executor)
+                .withNonEmptyPredicate(createPositivePredicate())
+                .withPostProcessingFunction(createPostProcessor())
+                .build();
+
+        managerNegative =
+                new DumpCacheManager.DumpCacheManagerBuilder<IpDetailsReplyDump, Void>()
+                        .withExecutor(executor)
+                        .withNonEmptyPredicate(createNegativePredicate())
+                        .build();
+
+        cache = new ModificationCache();
+    }
+
+    /**
+     * This test verify full dump-caching cycle
+     */
+    @Test
+    public void testCaching() throws DumpExecutionFailedException {
+
+
+        Optional<IpDetailsReplyDump> stage1Optional = managerNegative.getDump(KEY, cache);
+
+        //this is first call so instance should be from executor
+        assertEquals(false, stage1Optional.isPresent());
+        assertEquals(false, cache.containsKey(KEY));
+
+        //rebind executor with other data
+        IpDetailsReplyDump stage2LoadedDump = new IpDetailsReplyDump();
+        when(executor.executeDump()).thenReturn(stage2LoadedDump);
+
+        Optional<IpDetailsReplyDump> stage2Optional = managerPositive.getDump(KEY, cache);
+
+        assertEquals(true, stage2Optional.isPresent());
+        assertEquals(stage2LoadedDump, stage2Optional.get());
+
+        //rebind executor with other data
+        IpDetailsReplyDump stage3LoadedDump = new IpDetailsReplyDump();
+        when(executor.executeDump()).thenReturn(stage3LoadedDump);
+
+        Optional<IpDetailsReplyDump> stage3Optional = managerPositive.getDump(KEY, cache);
+        assertEquals(true, stage3Optional.isPresent());
+        //check if it returns instance cached from previous stage
+        assertEquals(stage2LoadedDump, stage3Optional.get());
+    }
+
+    @Test
+    public void testPostprocessing() throws DumpExecutionFailedException {
+        IpDetailsReplyDump dump = new IpDetailsReplyDump();
+        IpDetails details = new IpDetails();
+        details.swIfIndex = 2;
+        dump.ipDetails.add(details);
+
+        when(executor.executeDump()).thenReturn(dump);
+
+        Optional<IpDetailsReplyDump> optionalDump = managerPositiveWithPostProcessing.getDump(KEY, cache);
+
+        assertEquals(true, optionalDump.isPresent());
+        assertEquals(1, optionalDump.get().ipDetails.size());
+        assertEquals(7, optionalDump.get().ipDetails.get(0).swIfIndex);
+    }
+
+    private EntityDumpNonEmptyCheck<IpDetailsReplyDump> createNegativePredicate() {
+        return data -> {
+            throw new DumpEmptyException("Empty dump", new IllegalArgumentException());
+        };
+    }
+
+    private EntityDumpNonEmptyCheck<IpDetailsReplyDump> createPositivePredicate() {
+        return data -> {
+            //DO NOTHING
+        };
+    }
+
+    private EntityDumpPostProcessingFunction<IpDetailsReplyDump> createPostProcessor() {
+        return ipDetailsReplyDump -> {
+            IpDetailsReplyDump modified = new IpDetailsReplyDump();
+
+            for (IpDetails detail : ipDetailsReplyDump.ipDetails) {
+                IpDetails modifiedDetail = new IpDetails();
+                modifiedDetail.swIfIndex = detail.swIfIndex + 5;
+
+                modified.ipDetails.add(modifiedDetail);
+            }
+
+            return modified;
+        };
+    }
+}
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/SubinterfaceUtilsTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/SubinterfaceUtilsTest.java
new file mode 100644
index 000000000..a61dfea90
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/SubinterfaceUtilsTest.java
@@ -0,0 +1,32 @@
+/*
+ * 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.v3po.translate.v3po.util;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+public class SubinterfaceUtilsTest {
+
+    @Test
+    public void testGetSubInterfaceName() throws Exception {
+        final String superIfName = "GigabitEthernet0/9/0";
+        final int subIfaceId = 123;
+        final String expectedSubIfaceName = "GigabitEthernet0/9/0.123";
+        assertEquals(expectedSubIfaceName, SubInterfaceUtils.getSubInterfaceName(superIfName, subIfaceId));
+    }
+}
\ No newline at end of file
diff --git a/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java
new file mode 100644
index 000000000..334887430
--- /dev/null
+++ b/vpp-common/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/TranslateUtilsTest.java
@@ -0,0 +1,137 @@
+package io.fd.honeycomb.v3po.translate.v3po.util;
+
+import static io.fd.honeycomb.v3po.translate.v3po.util.TranslateUtils.reverseBytes;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.anyLong;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+import org.junit.Test;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
+import org.opendaylight.yangtools.yang.binding.DataContainer;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.dto.JVppReply;
+
+public class TranslateUtilsTest {
+
+    private static class AnDataObject implements DataObject {
+        @Override
+        public Class<? extends DataContainer> getImplementedInterface() {
+            return null;
+        }
+    }
+
+    @Test
+    public void testGetReplyForWriteTimeout() throws Exception {
+        final Future<JVppReply<?>> future = mock(Future.class);
+        when(future.get(anyLong(), eq(TimeUnit.SECONDS))).thenThrow(TimeoutException.class);
+        final InstanceIdentifier<AnDataObject> replyType = InstanceIdentifier.create(AnDataObject.class);
+        try {
+            TranslateUtils.getReplyForWrite(future, replyType);
+        } catch (WriteTimeoutException e) {
+            assertTrue(e.getCause() instanceof TimeoutException);
+            assertEquals(replyType, e.getFailedId());
+            return;
+        }
+        fail("WriteTimeoutException was expected");
+    }
+
+    @Test
+    public void testGetReplyForReadTimeout() throws Exception {
+        final Future<JVppReply<?>> future = mock(Future.class);
+        final InstanceIdentifier<AnDataObject> replyType = InstanceIdentifier.create(AnDataObject.class);
+        when(future.get(anyLong(), eq(TimeUnit.SECONDS))).thenThrow(TimeoutException.class);
+        try {
+            TranslateUtils.getReplyForRead(future, replyType);
+        } catch (ReadTimeoutException e) {
+            assertTrue(e.getCause() instanceof TimeoutException);
+            assertEquals(replyType, e.getFailedId());
+            return;
+        }
+        fail("ReadTimeoutException was expected");
+    }
+
+    @Test
+    public void testIpv4NoZone() throws Exception {
+        final Ipv4AddressNoZone ipv4Addr = new Ipv4AddressNoZone("192.168.1.1");
+        byte[] bytes = TranslateUtils.ipv4AddressNoZoneToArray(ipv4Addr);
+        assertEquals((byte)192, bytes[0]);
+        // Simulating the magic of VPP
+        bytes = reverseBytes(bytes);
+        final Ipv4AddressNoZone ipv4AddressNoZone = TranslateUtils.arrayToIpv4AddressNoZone(bytes);
+        assertEquals(ipv4Addr, ipv4AddressNoZone);
+    }
+
+    @Test
+    public void testToString() {
+        final byte[] expected = "test".getBytes();
+        final byte[] cString = new byte[expected.length + 10];
+        System.arraycopy(expected, 0, cString, 0, expected.length);
+        final String jString = TranslateUtils.toString(cString);
+        assertArrayEquals(expected, jString.getBytes());
+    }
+
+    @Test
+    public void testParseMac() throws Exception {
+        byte[] bytes = TranslateUtils.parseMac("00:fF:7f:15:5e:A9");
+        assertMac(bytes);
+    }
+
+    private void assertMac(final byte[] bytes) {
+        assertEquals(6, bytes.length);
+        assertEquals((byte) 0, bytes[0]);
+        assertEquals((byte) 255, bytes[1]);
+        assertEquals((byte) 127, bytes[2]);
+        assertEquals((byte) 21, bytes[3]);
+        assertEquals((byte) 94, bytes[4]);
+        assertEquals((byte) 169, bytes[5]);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testParseMacLonger() throws Exception {
+        byte[] bytes = TranslateUtils.parseMac("00:fF:7f:15:5e:A9:88:77");
+        assertMac(bytes);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testParseMacShorter() throws Exception {
+        TranslateUtils.parseMac("00:fF:7f");
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testParseRandomString() throws Exception {
+        TranslateUtils.parseMac("random{}}@$*&*!");
+    }
+
+    @Test(expected = NumberFormatException.class)
+    public void testParseMacNumberFormatEx() throws Exception {
+        TranslateUtils.parseMac("00:XX:7f:15:5e:77\"");
+    }
+
+    @Test
+    public void testBooleanToByte() {
+        assertEquals(0, TranslateUtils.booleanToByte(null));
+        assertEquals(0, TranslateUtils.booleanToByte(false));
+        assertEquals(1, TranslateUtils.booleanToByte(true));
+    }
+
+    @Test
+    public void testByteToBoolean() {
+        assertEquals(Boolean.FALSE, TranslateUtils.byteToBoolean((byte) 0));
+        assertEquals(Boolean.TRUE, TranslateUtils.byteToBoolean((byte) 1));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testByteToBooleanFailed() {
+        TranslateUtils.byteToBoolean((byte) 123);
+    }
+
+}
\ No newline at end of file