HONEYCOMB-34: Config tree initialization using binding data broker

Change-Id: I070aca2cc35dd10ea5bde19c8cbf4cad1c50f468
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

6 files changed, 176 insertions, 45 deletions

diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java
new file mode 100644
index 000000000..cd53a4f8b
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/CloseableWriterRegistry.java
@@ -0,0 +1,65 @@
+/*
+ * 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.util.write;
+
+import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+/**
+ * WriterRegistry wrapper providing AutoCloseable interface.
+ */
+public final class CloseableWriterRegistry implements WriterRegistry, AutoCloseable {
+    private final WriterRegistry writerRegistry;
+
+    public CloseableWriterRegistry( final WriterRegistry writerRegistry) {
+        this.writerRegistry = writerRegistry;
+    }
+
+    @Override
+    public void update(
+            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesBefore,
+            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesAfter,
+            @Nonnull final WriteContext ctx) throws TranslationException {
+        writerRegistry.update(nodesBefore, nodesAfter, ctx);
+    }
+
+    @Override
+    public void update(
+            @Nonnull final InstanceIdentifier<? extends DataObject> id,
+            @Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter,
+            @Nonnull final WriteContext ctx) throws WriteFailedException {
+        writerRegistry.update(id, dataBefore, dataAfter, ctx);
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        return writerRegistry.getManagedDataObjectType();
+    }
+
+    @Override
+    public void close() throws Exception {
+        // NOOP
+    }
+}
\ No newline at end of file
diff --git a/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java
new file mode 100644
index 000000000..866854212
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/util/write/NoopWriterRegistry.java
@@ -0,0 +1,61 @@
+/*
+ * 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.util.write;
+
+import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
+import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Empty registry that does not perform any changes. Can be used in data layer, if we want to disable passing data to
+ * translation layer.
+ */
+public class NoopWriterRegistry implements WriterRegistry {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NoopWriterRegistry.class);
+
+    @Override
+    public void update(@Nonnull final Map<InstanceIdentifier<?>, DataObject> dataBefore,
+                       @Nonnull final Map<InstanceIdentifier<?>, DataObject> dataAfter, @Nonnull final WriteContext ctx)
+            throws TranslationException {
+        LOG.trace("NoopWriterRegistry.update dataBefore{}, dataAfter={], ctx={}", dataBefore, dataAfter, ctx);
+        // NOOP
+    }
+
+    @Override
+    public void update(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+                       @Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter,
+                       @Nonnull final WriteContext ctx) throws WriteFailedException {
+        LOG.trace("NoopWriterRegistry.update id={}, dataBefore{}, dataAfter={], ctx={}", id, dataBefore, dataAfter,
+                ctx);
+        // NOOP
+    }
+
+    @Nonnull
+    @Override
+    public InstanceIdentifier<DataObject> getManagedDataObjectType() {
+        throw new UnsupportedOperationException("Root registry has no type");
+    }
+}
diff --git a/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/DelegatingWriterRegistryModule.java b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/DelegatingWriterRegistryModule.java
index 72ec87691..0266ca900 100644
--- a/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/DelegatingWriterRegistryModule.java
+++ b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/DelegatingWriterRegistryModule.java
@@ -2,18 +2,11 @@ package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.translate.
 
 import com.google.common.base.Function;
 import com.google.common.collect.Lists;
-import io.fd.honeycomb.v3po.translate.TranslationException;
+import io.fd.honeycomb.v3po.translate.util.write.CloseableWriterRegistry;
 import io.fd.honeycomb.v3po.translate.util.write.DelegatingWriterRegistry;
-import io.fd.honeycomb.v3po.translate.write.WriteContext;
-import io.fd.honeycomb.v3po.translate.write.WriteFailedException;
 import io.fd.honeycomb.v3po.translate.write.Writer;
-import io.fd.honeycomb.v3po.translate.write.WriterRegistry;
 import java.util.List;
-import java.util.Map;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
 import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class DelegatingWriterRegistryModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.translate.utils.rev160406.AbstractDelegatingWriterRegistryModule {
     public DelegatingWriterRegistryModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
@@ -43,41 +36,4 @@ public class DelegatingWriterRegistryModule extends org.opendaylight.yang.gen.v1
         return new CloseableWriterRegistry(new DelegatingWriterRegistry(rootReadersDependency));
     }
 
-    // TODO move to translate-utils
-    private static final class CloseableWriterRegistry implements WriterRegistry, AutoCloseable {
-        private final DelegatingWriterRegistry delegatingWriterRegistry;
-
-        CloseableWriterRegistry(
-            final DelegatingWriterRegistry delegatingWriterRegistry) {
-            this.delegatingWriterRegistry = delegatingWriterRegistry;
-        }
-
-        @Override
-        public void update(
-            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesBefore,
-            @Nonnull final Map<InstanceIdentifier<?>, DataObject> nodesAfter,
-            @Nonnull final WriteContext ctx) throws TranslationException {
-            delegatingWriterRegistry.update(nodesBefore, nodesAfter, ctx);
-        }
-
-        @Override
-        public void update(
-            @Nonnull final InstanceIdentifier<? extends DataObject> id,
-            @Nullable final DataObject dataBefore, @Nullable final DataObject dataAfter,
-            @Nonnull final WriteContext ctx) throws WriteFailedException {
-            delegatingWriterRegistry.update(id, dataBefore, dataAfter, ctx);
-        }
-
-        @Nonnull
-        @Override
-        public InstanceIdentifier<DataObject> getManagedDataObjectType() {
-            return delegatingWriterRegistry.getManagedDataObjectType();
-        }
-
-        @Override
-        public void close() throws Exception {
-            // NOOP
-        }
-    }
-
 }
diff --git a/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModule.java b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModule.java
new file mode 100644
index 000000000..16c8af359
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModule.java
@@ -0,0 +1,25 @@
+package org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.translate.utils.rev160406;
+
+import io.fd.honeycomb.v3po.translate.util.write.*;
+import io.fd.honeycomb.v3po.translate.util.write.NoopWriterRegistry;
+
+public class NoopWriterRegistryModule extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.translate.utils.rev160406.AbstractNoopWriterRegistryModule {
+    public NoopWriterRegistryModule(org.opendaylight.controller.config.api.ModuleIdentifier identifier, org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public NoopWriterRegistryModule(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.translate.utils.rev160406.NoopWriterRegistryModule 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 CloseableWriterRegistry(new NoopWriterRegistry());
+    }
+
+}
diff --git a/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModuleFactory.java b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModuleFactory.java
new file mode 100644
index 000000000..57b6859f3
--- /dev/null
+++ b/v3po/translate-utils/src/main/java/org/opendaylight/yang/gen/v1/urn/honeycomb/params/xml/ns/yang/translate/utils/rev160406/NoopWriterRegistryModuleFactory.java
@@ -0,0 +1,13 @@
+/*
+* Generated file
+*
+* Generated from: yang module name: translate-utils yang module local name: noop-writer-registry
+* Generated by: org.opendaylight.controller.config.yangjmxgenerator.plugin.JMXGenerator
+* Generated at: Tue Apr 12 08:41:08 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.translate.utils.rev160406;
+public class NoopWriterRegistryModuleFactory extends org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.translate.utils.rev160406.AbstractNoopWriterRegistryModuleFactory {
+
+}
diff --git a/v3po/translate-utils/src/main/yang/translate-utils.yang b/v3po/translate-utils/src/main/yang/translate-utils.yang
index 093e1725b..238528d56 100644
--- a/v3po/translate-utils/src/main/yang/translate-utils.yang
+++ b/v3po/translate-utils/src/main/yang/translate-utils.yang
@@ -58,4 +58,15 @@ module translate-utils {
         }
     }
 
+    identity noop-writer-registry {
+        base config:module-type;
+        config:provided-service tapi:honeycomb-writer-registry;
+        config:java-name-prefix NoopWriterRegistry;
+    }
+
+    augment "/config:modules/config:module/config:configuration" {
+        case noop-writer-registry {
+            when "/config:modules/config:module/config:type = 'noop-writer-registry'";
+        }
+    }
 }
\ No newline at end of file