HONEYCOMB-9: Remove references to VPP from translation layer

Change-Id: I281db366a112edc08203e8cb392a212708d4552a
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeListWriter.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeListWriter.java
new file mode 100644
index 000000000..dc924fe39
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeListWriter.java
@@ -0,0 +1,179 @@
+/*
+ * 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.Function;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
+import io.fd.honeycomb.v3po.translate.spi.write.ListWriterCustomizer;
+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 java.util.List;
+import java.util.Map;
+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.Identifiable;
+import org.opendaylight.yangtools.yang.binding.Identifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+public class CompositeListWriter<D extends DataObject & Identifiable<K>, K extends Identifier<D>> extends
+    AbstractCompositeWriter<D>
+    implements ChildWriter<D> {
+
+    public static final Function<DataObject, Object> INDEX_FUNCTION = new Function<DataObject, Object>() {
+        @Override
+        public Object apply(final DataObject input) {
+            return input instanceof Identifiable<?>
+                ? ((Identifiable<?>) input).getKey()
+                : input;
+        }
+    };
+
+
+    private final ListWriterCustomizer<D, K> customizer;
+
+    public CompositeListWriter(@Nonnull final Class<D> type,
+                               @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+                               @Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
+                               @Nonnull final ListWriterCustomizer<D, K> customizer) {
+        super(type, childWriters, augWriters);
+        this.customizer = customizer;
+    }
+
+    public CompositeListWriter(@Nonnull final Class<D> type,
+                               @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+                               @Nonnull final ListWriterCustomizer<D, K> customizer) {
+        this(type, childWriters, RWUtils.<D>emptyAugWriterList(), customizer);
+    }
+
+    public CompositeListWriter(@Nonnull final Class<D> type,
+                               @Nonnull final ListWriterCustomizer<D, K> 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 final 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 final WriteContext ctx) {
+        customizer.updateCurrentAttributes(id, dataBefore, dataAfter, ctx.getContext());
+    }
+
+    @Override
+    public void writeChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                           @Nonnull final DataObject parentData,
+                           @Nonnull final WriteContext ctx) {
+        final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
+        final List<D> currentData = customizer.extract(currentId, parentData);
+        for (D entry : currentData) {
+            writeCurrent(currentId, entry, ctx);
+        }
+    }
+
+    @Override
+    public void deleteChild(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+                            @Nonnull final DataObject parentDataBefore,
+                            @Nonnull final WriteContext ctx) {
+        final InstanceIdentifier<D> currentId = RWUtils.appendTypeToId(parentId, getManagedDataObjectType());
+        final List<D> dataBefore = customizer.extract(currentId, parentDataBefore);
+        for (D entry : dataBefore) {
+            deleteCurrent(currentId, entry, 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 ImmutableMap<Object, D>
+            dataBefore = Maps.uniqueIndex(customizer.extract(currentId, parentDataBefore), INDEX_FUNCTION);
+        final ImmutableMap<Object, D>
+            dataAfter = Maps.uniqueIndex(customizer.extract(currentId, parentDataAfter), INDEX_FUNCTION);
+
+        for (Map.Entry<Object, D> after : dataAfter.entrySet()) {
+            final D before = dataBefore.get(after.getKey());
+            if(before == null) {
+                writeCurrent(currentId, after.getValue(), ctx);
+            } else {
+                updateCurrent(currentId, before, after.getValue(), ctx);
+            }
+        }
+
+        // Delete the rest in dataBefore
+        for (Object deletedNodeKey : Sets.difference(dataBefore.keySet(), dataAfter.keySet())) {
+            final D deleted = dataBefore.get(deletedNodeKey);
+            deleteCurrent(currentId, deleted, ctx);
+        }
+
+    }
+
+    @Override
+    protected void writeCurrent(final InstanceIdentifier<D> id, final D data, final WriteContext ctx) {
+        // Make sure the key is present
+        if(isWildcarded(id)) {
+            super.writeCurrent(getSpecificId(id, data), data, ctx);
+        } else {
+            super.writeCurrent(id, data, ctx);
+        }
+    }
+
+    @Override
+    protected void updateCurrent(final InstanceIdentifier<D> id, final D dataBefore, final D dataAfter,
+                                 final WriteContext ctx) {
+        // Make sure the key is present
+        if(isWildcarded(id)) {
+            super.updateCurrent(getSpecificId(id, dataBefore), dataBefore, dataAfter, ctx);
+        } else {
+            super.updateCurrent(id, dataBefore, dataAfter, ctx);
+        }
+    }
+
+    @Override
+    protected void deleteCurrent(final InstanceIdentifier<D> id, final D dataBefore, final WriteContext ctx) {
+        // Make sure the key is present
+        if(isWildcarded(id)) {
+            super.deleteCurrent(getSpecificId(id, dataBefore), dataBefore, ctx);
+        } else {
+            super.deleteCurrent(id, dataBefore, ctx);
+        }
+    }
+
+    private boolean isWildcarded(final InstanceIdentifier<D> id) {
+        return id.firstIdentifierOf(getManagedDataObjectType().getTargetType()).isWildcarded();
+    }
+
+    private InstanceIdentifier<D> getSpecificId(final InstanceIdentifier<D> currentId, final D current) {
+        return RWUtils.replaceLastInId(currentId,
+            new InstanceIdentifier.IdentifiableItem<>(currentId.getTargetType(), current.getKey()));
+    }
+}