1 files changed, 105 insertions, 0 deletions
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeChildWriter.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeChildWriter.java
new file mode 100644
index 000000000..fbfeffbdb
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeChildWriter.java
@@ -0,0 +1,105 @@
+/*
+ * 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.impl.write;
+
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.write.ChildWriter;
+import io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.spi.write.ChildWriterCustomizer;
+import java.util.List;
+import javax.annotation.Nonnull;
+import org.opendaylight.yangtools.yang.binding.Augmentation;
+import org.opendaylight.yangtools.yang.binding.ChildOf;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class CompositeChildWriter<D extends DataObject> extends AbstractCompositeWriter<D>
+    implements ChildWriter<D> {
+
+    private final ChildWriterCustomizer<D> customizer;
+
+    public CompositeChildWriter(@Nonnull final Class<D> type,
+                                @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+                                @Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
+                                @Nonnull final ChildWriterCustomizer<D> customizer) {
+        super(type, childWriters, augWriters);
+        this.customizer = customizer;
+    }
+
+    public CompositeChildWriter(@Nonnull final Class<D> type,
+                                @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+                                @Nonnull final ChildWriterCustomizer<D> customizer) {
+        this(type, childWriters, RWUtils.<D>emptyAugWriterList(), customizer);
+    }
+
+    public CompositeChildWriter(@Nonnull final Class<D> type,
+                                @Nonnull final ChildWriterCustomizer<D> customizer) {
+        this(type, RWUtils.<D>emptyChildWriterList(), RWUtils.<D>emptyAugWriterList(), customizer);
+    }
+
+    @Override
+    protected void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D data,
+                                          @Nonnull final WriteContext ctx) {
+        customizer.writeCurrentAttributes(id, data, ctx.getContext());
+    }
+
+    @Override
+    protected void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
+                                           @Nonnull WriteContext ctx) {
+        customizer.deleteCurrentAttributes(id, dataBefore, ctx.getContext());
+    }
+
+    @Override
+    protected void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataBefore,
+                                           @Nonnull final D dataAfter, @Nonnull WriteContext ctx) {
+        customizer.updateCurrentAttributes(id, dataBefore, dataAfter, ctx.getContext());
+    }
+
+    @Override
+    public void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                           @Nonnull final DataObject parentData, @Nonnull WriteContext ctx) {
+        final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
+        final Optional<D> currentData = customizer.extract(currentId, parentData);
+        if(currentData.isPresent()) {
+            writeCurrent(currentId, currentData.get(), ctx);
+        }
+    }
+
+    @Override
+    public void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                            @Nonnull final DataObject parentData,
+                            @Nonnull final WriteContext ctx) {
+        final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
+        final Optional<D> currentData = customizer.extract(currentId, parentData);
+        if(currentData.isPresent()) {
+            deleteCurrent(currentId, currentData.get(), ctx);
+        }
+    }
+
+    @Override
+    public void updateChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                            @Nonnull final DataObject parentDataBefore, @Nonnull final DataObject parentDataAfter,
+                            @Nonnull final WriteContext ctx) {
+        final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
+        final Optional<D> before = customizer.extract(currentId, parentDataBefore);
+        final Optional<D> after = customizer.extract(currentId, parentDataAfter);
+        if(before.isPresent() && after.isPresent()) {
+            updateCurrent(currentId, before.get(), after.get(), ctx);
+        }
+    }
+}