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authorMaros Marsalek <mmarsale@cisco.com>2016-04-12 10:13:18 +0200
committerMaros Marsalek <mmarsale@cisco.com>2016-04-12 10:13:18 +0200
commite1743c8eccee7d5ea8ad2c247d2575e8fd219fe4 (patch)
tree285ad26e1e5bff6ef9ff8fdd7a77bd971dfd50ca /v3po/translate-impl/src/main
parentc7ca517b00f2682987aef3ac390dfc04155a8aee (diff)
HONEYCOMB-9: Remove references to VPP from translation layer
Change-Id: I281db366a112edc08203e8cb392a212708d4552a Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Diffstat (limited to 'v3po/translate-impl/src/main')
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java232
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeChildReader.java104
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeListReader.java137
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeRootReader.java91
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/AbstractCompositeWriter.java270
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeChildWriter.java105
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeListWriter.java179
-rw-r--r--v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeRootWriter.java72
8 files changed, 1190 insertions, 0 deletions
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java
new file mode 100644
index 000000000..f9fa0eeaa
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/AbstractCompositeReader.java
@@ -0,0 +1,232 @@
+/*
+ * 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.read;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
+import com.google.common.collect.Iterables;
+import io.fd.honeycomb.v3po.translate.util.ReflectionUtils;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.read.ChildReader;
+import io.fd.honeycomb.v3po.translate.read.ReadContext;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import io.fd.honeycomb.v3po.translate.read.Reader;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import org.opendaylight.yangtools.concepts.Builder;
+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.Identifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Beta
+abstract class AbstractCompositeReader<D extends DataObject, B extends Builder<D>> implements Reader<D> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractCompositeReader.class);
+
+ private final Map<Class<? extends DataObject>, ChildReader<? extends ChildOf<D>>> childReaders;
+ private final Map<Class<? extends DataObject>, ChildReader<? extends Augmentation<D>>> augReaders;
+ private final InstanceIdentifier<D> instanceIdentifier;
+
+ AbstractCompositeReader(final Class<D> managedDataObjectType,
+ final List<ChildReader<? extends ChildOf<D>>> childReaders,
+ final List<ChildReader<? extends Augmentation<D>>> augReaders) {
+ this.childReaders = RWUtils.uniqueLinkedIndex(childReaders, RWUtils.MANAGER_CLASS_FUNCTION);
+ this.augReaders = RWUtils.uniqueLinkedIndex(augReaders, RWUtils.MANAGER_CLASS_AUG_FUNCTION);
+ this.instanceIdentifier = InstanceIdentifier.create(managedDataObjectType);
+ }
+
+ @Nonnull
+ @Override
+ public final InstanceIdentifier<D> getManagedDataObjectType() {
+ return instanceIdentifier;
+ }
+
+ /**
+ * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
+ *
+ */
+ protected Optional<D> readCurrent(final InstanceIdentifier<D> id,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ LOG.debug("{}: Reading current: {}", this, id);
+ final B builder = getBuilder(id);
+ // Cache empty value to determine if anything has changed later TODO cache in a field
+ final D emptyValue = builder.build();
+
+ LOG.trace("{}: Reading current attributes", this);
+ readCurrentAttributes(id, builder, ctx);
+
+ // TODO expect exceptions from reader
+ for (ChildReader<? extends ChildOf<D>> child : childReaders.values()) {
+ LOG.debug("{}: Reading child from: {}", this, child);
+ child.read(id, builder, ctx);
+ }
+
+ for (ChildReader<? extends Augmentation<D>> child : augReaders.values()) {
+ LOG.debug("{}: Reading augment from: {}", this, child);
+ child.read(id, builder, ctx);
+ }
+
+ // Need to check whether anything was filled in to determine if data is present or not.
+ final D built = builder.build();
+ final Optional<D> read = built.equals(emptyValue)
+ ? Optional.<D>absent()
+ : Optional.of(built);
+
+ LOG.debug("{}: Current node read successfully. Result: {}", this, read);
+ return read;
+ }
+
+ @Nonnull
+ @Override
+ @SuppressWarnings("unchecked")
+ public Optional<? extends DataObject> read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+ @Nonnull final ReadContext ctx)
+ throws ReadFailedException {
+ LOG.trace("{}: Reading : {}", this, id);
+ if (id.getTargetType().equals(getManagedDataObjectType().getTargetType())) {
+ return readCurrent((InstanceIdentifier<D>) id, ctx);
+ } else {
+ return readSubtree(id, ctx);
+ }
+ }
+
+ private Optional<? extends DataObject> readSubtree(final InstanceIdentifier<? extends DataObject> id,
+ @Nonnull final ReadContext ctx)
+ throws ReadFailedException {
+ LOG.debug("{}: Reading subtree: {}", this, id);
+ final Class<? extends DataObject> next = RWUtils.getNextId(id, getManagedDataObjectType()).getType();
+ final ChildReader<? extends ChildOf<D>> reader = childReaders.get(next);
+
+ if (reader != null) {
+ LOG.debug("{}: Reading subtree: {} from: {}", this, id, reader);
+ return reader.read(id, ctx);
+ } else {
+ LOG.debug("{}: Dedicated subtree reader missing for: {}. Reading current and filtering", this, next);
+ // If there's no dedicated reader, use read current
+ final InstanceIdentifier<D> currentId = RWUtils.cutId(id, getManagedDataObjectType());
+ final Optional<D> current = readCurrent(currentId, ctx);
+ // then perform post-reading filtering (return only requested sub-node)
+ final Optional<? extends DataObject> readSubtree = current.isPresent()
+ ? filterSubtree(current.get(), id, getManagedDataObjectType().getTargetType())
+ : current;
+
+ LOG.debug("{}: Subtree: {} read successfully. Result: {}", this, id, readSubtree);
+ return readSubtree;
+ }
+ }
+
+ /**
+ * Fill in current node's attributes
+ *
+ * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
+ * @param builder Builder object for current node where the read attributes must be placed
+ * @param ctx Current read context
+ */
+ protected abstract void readCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final B builder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException;
+
+ /**
+ * Return new instance of a builder object for current node
+ *
+ * @param id {@link InstanceIdentifier} pointing to current node. In case of keyed list, key must be present.
+ * @return Builder object for current node type
+ */
+ protected abstract B getBuilder(InstanceIdentifier<D> id);
+
+ // TODO move filtering out of here into a dedicated Filter ifc
+ @Nonnull
+ private static Optional<? extends DataObject> filterSubtree(@Nonnull final DataObject parent,
+ @Nonnull final InstanceIdentifier<? extends DataObject> absolutPath,
+ @Nonnull final Class<?> managedType) {
+ // TODO is there a better way than reflection ? e.g. convert into NN and filter out with a utility
+ // FIXME this needs to be recursive. right now it expects only 1 additional element in ID + test
+
+ final InstanceIdentifier.PathArgument nextId =
+ RWUtils.getNextId(absolutPath, InstanceIdentifier.create(parent.getClass()));
+
+ Optional<Method> method = ReflectionUtils.findMethodReflex(managedType, "get",
+ Collections.<Class<?>>emptyList(), nextId.getType());
+
+ if (method.isPresent()) {
+ return Optional.fromNullable(filterSingle(parent, nextId, method.get()));
+ } else {
+ // List child nodes
+ method = ReflectionUtils.findMethodReflex(managedType,
+ "get" + nextId.getType().getSimpleName(), Collections.<Class<?>>emptyList(), List.class);
+
+ if (method.isPresent()) {
+ return filterList(parent, nextId, method.get());
+ } else {
+ throw new IllegalStateException(
+ "Unable to filter " + nextId + " from " + parent + " getters not found using reflexion");
+ }
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ private static Optional<? extends DataObject> filterList(final DataObject parent,
+ final InstanceIdentifier.PathArgument nextId,
+ final Method method) {
+ final List<? extends DataObject> invoke = (List<? extends DataObject>) invoke(method, nextId, parent);
+
+ checkArgument(nextId instanceof InstanceIdentifier.IdentifiableItem<?, ?>,
+ "Unable to perform wildcarded read for %s", nextId);
+ final Identifier key = ((InstanceIdentifier.IdentifiableItem) nextId).getKey();
+ return Iterables.tryFind(invoke, new Predicate<DataObject>() {
+ @Override
+ public boolean apply(@Nullable final DataObject input) {
+ final Optional<Method> keyGetter =
+ ReflectionUtils.findMethodReflex(nextId.getType(), "get",
+ Collections.<Class<?>>emptyList(), key.getClass());
+ final Object actualKey;
+ actualKey = invoke(keyGetter.get(), nextId, input);
+ return key.equals(actualKey);
+ }
+ });
+ }
+
+ private static DataObject filterSingle(final DataObject parent,
+ final InstanceIdentifier.PathArgument nextId, final Method method) {
+ return nextId.getType().cast(invoke(method, nextId, parent));
+ }
+
+ private static Object invoke(final Method method,
+ final InstanceIdentifier.PathArgument nextId, final DataObject parent) {
+ try {
+ return method.invoke(parent);
+ } catch (IllegalAccessException | InvocationTargetException e) {
+ throw new IllegalArgumentException("Unable to get " + nextId + " from " + parent, e);
+ }
+ }
+
+ @Override
+ public String toString() {
+ return String.format("Reader[%s]", getManagedDataObjectType().getTargetType().getSimpleName());
+ }
+}
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeChildReader.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeChildReader.java
new file mode 100644
index 000000000..46a59bb90
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeChildReader.java
@@ -0,0 +1,104 @@
+/*
+ * 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.read;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.read.ReadContext;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.read.ChildReader;
+import io.fd.honeycomb.v3po.translate.spi.read.ChildReaderCustomizer;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.ThreadSafe;
+import org.opendaylight.yangtools.concepts.Builder;
+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;
+
+/**
+ * Composite implementation of {@link ChildReader} able to place the read result into
+ * parent builder object.
+ */
+@Beta
+@ThreadSafe
+public final class CompositeChildReader<C extends DataObject, B extends Builder<C>> extends AbstractCompositeReader<C, B>
+ implements ChildReader<C> {
+
+ private final ChildReaderCustomizer<C, B> customizer;
+
+ /**
+ * Create new {@link CompositeChildReader}
+ *
+ * @param managedDataObjectType Class object for managed data type
+ * @param childReaders Child nodes(container, list) readers
+ * @param augReaders Child augmentations readers
+ * @param customizer Customizer instance to customize this generic reader
+ *
+ */
+ public CompositeChildReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final List<ChildReader<? extends Augmentation<C>>> augReaders,
+ @Nonnull final ChildReaderCustomizer<C, B> customizer) {
+ super(managedDataObjectType, childReaders, augReaders);
+ this.customizer = customizer;
+ }
+
+ /**
+ * @see {@link CompositeChildReader#CompositeChildReader(Class, List, List, ChildReaderCustomizer)}
+ */
+ public CompositeChildReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final ChildReaderCustomizer<C, B> customizer) {
+ this(managedDataObjectType, childReaders, RWUtils.<C>emptyAugReaderList(), customizer);
+ }
+
+ /**
+ * @see {@link CompositeChildReader#CompositeChildReader(Class, List, List, ChildReaderCustomizer)}
+ */
+ public CompositeChildReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final ChildReaderCustomizer<C, B> customizer) {
+ this(managedDataObjectType, RWUtils.<C>emptyChildReaderList(), RWUtils.<C>emptyAugReaderList(),
+ customizer);
+ }
+
+ @Override
+ public final void read(@Nonnull final InstanceIdentifier<? extends DataObject> parentId,
+ @Nonnull final Builder<? extends DataObject> parentBuilder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ final Optional<C> read = readCurrent(RWUtils.appendTypeToId(parentId, getManagedDataObjectType()), ctx);
+
+ if(read.isPresent()) {
+ customizer.merge(parentBuilder, read.get());
+ }
+ }
+
+ @Override
+ protected void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, @Nonnull final B builder,
+ @Nonnull final ReadContext ctx)
+ throws ReadFailedException {
+ customizer.readCurrentAttributes(id, builder, ctx.getContext());
+ }
+
+ @Override
+ protected B getBuilder(@Nonnull final InstanceIdentifier<C> id) {
+ return customizer.getBuilder(id);
+ }
+
+}
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeListReader.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeListReader.java
new file mode 100644
index 000000000..fd7b279ca
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeListReader.java
@@ -0,0 +1,137 @@
+/*
+ * 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.read;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Optional;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.read.ChildReader;
+import io.fd.honeycomb.v3po.translate.read.ListReader;
+import io.fd.honeycomb.v3po.translate.read.ReadContext;
+import io.fd.honeycomb.v3po.translate.spi.read.ListReaderCustomizer;
+import java.util.ArrayList;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.ThreadSafe;
+import org.opendaylight.yangtools.concepts.Builder;
+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;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Composite implementation of {@link ChildReader} able to place the read result into parent builder object intended
+ * for list node type.
+ *
+ * This reader checks if the IDs are wildcarded in which case it performs read of all list entries. In case the ID has a
+ * key, it reads only the specified value.
+ */
+@Beta
+@ThreadSafe
+public final class CompositeListReader<C extends DataObject & Identifiable<K>, K extends Identifier<C>, B extends Builder<C>>
+ extends AbstractCompositeReader<C, B> implements ChildReader<C>, ListReader<C, K> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(CompositeListReader.class);
+
+ private final ListReaderCustomizer<C, K, B> customizer;
+
+ /**
+ * Create new {@link CompositeListReader}
+ *
+ * @param managedDataObjectType Class object for managed data type. Must come from a list node type.
+ * @param childReaders Child nodes(container, list) readers
+ * @param augReaders Child augmentations readers
+ * @param customizer Customizer instance to customize this generic reader
+ */
+ public CompositeListReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final List<ChildReader<? extends Augmentation<C>>> augReaders,
+ @Nonnull final ListReaderCustomizer<C, K, B> customizer) {
+ super(managedDataObjectType, childReaders, augReaders);
+ this.customizer = customizer;
+ }
+
+ /**
+ * @see {@link CompositeListReader#CompositeListReader(Class, List, List, ListReaderCustomizer)}
+ */
+ public CompositeListReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final ListReaderCustomizer<C, K, B> customizer) {
+ this(managedDataObjectType, childReaders, RWUtils.<C>emptyAugReaderList(), customizer);
+ }
+
+ /**
+ * @see {@link CompositeListReader#CompositeListReader(Class, List, List, ListReaderCustomizer)}
+ */
+ public CompositeListReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final ListReaderCustomizer<C, K, B> customizer) {
+ this(managedDataObjectType, RWUtils.<C>emptyChildReaderList(), RWUtils.<C>emptyAugReaderList(),
+ customizer);
+ }
+
+ @Override
+ public void read(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+ @Nonnull final Builder<? extends DataObject> parentBuilder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ // Create ID pointing to current node
+ final InstanceIdentifier<C> currentId = RWUtils.appendTypeToId(id, getManagedDataObjectType());
+ // Read all, since current ID is definitely wildcarded
+ final List<C> ifcs = readList(currentId, ctx);
+ customizer.merge(parentBuilder, ifcs);
+ }
+
+ @Override
+ @Nonnull
+ public List<C> readList(@Nonnull final InstanceIdentifier<C> id,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ LOG.trace("{}: Reading all list entries", this);
+ final List<K> allIds = customizer.getAllIds(id, ctx.getContext());
+ LOG.debug("{}: Reading list entries for: {}", this, allIds);
+
+ final ArrayList<C> allEntries = new ArrayList<>(allIds.size());
+ for (K key : allIds) {
+ final InstanceIdentifier.IdentifiableItem<C, K> currentBdItem =
+ RWUtils.getCurrentIdItem(id, key);
+ final InstanceIdentifier<C> keyedId = RWUtils.replaceLastInId(id, currentBdItem);
+ final Optional<C> read = readCurrent(keyedId, ctx);
+ final DataObject singleItem = read.get();
+ checkArgument(getManagedDataObjectType().getTargetType().isAssignableFrom(singleItem.getClass()));
+ allEntries.add(getManagedDataObjectType().getTargetType().cast(singleItem));
+ }
+ return allEntries;
+ }
+
+ @Override
+ protected void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, @Nonnull final B builder,
+ @Nonnull final ReadContext ctx)
+ throws ReadFailedException {
+ customizer.readCurrentAttributes(id, builder, ctx.getContext());
+ }
+
+ @Override
+ protected B getBuilder(@Nonnull final InstanceIdentifier<C> id) {
+ return customizer.getBuilder(id);
+ }
+
+}
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeRootReader.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeRootReader.java
new file mode 100644
index 000000000..f297abb76
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/read/CompositeRootReader.java
@@ -0,0 +1,91 @@
+/*
+ * 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.read;
+
+import com.google.common.annotations.Beta;
+import io.fd.honeycomb.v3po.translate.read.ReadFailedException;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.read.ChildReader;
+import io.fd.honeycomb.v3po.translate.read.ReadContext;
+import io.fd.honeycomb.v3po.translate.read.Reader;
+import io.fd.honeycomb.v3po.translate.spi.read.RootReaderCustomizer;
+import java.util.List;
+import javax.annotation.Nonnull;
+import javax.annotation.concurrent.ThreadSafe;
+import org.opendaylight.yangtools.concepts.Builder;
+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;
+
+/**
+ * Composite implementation of {@link Reader}
+ */
+@Beta
+@ThreadSafe
+public final class CompositeRootReader<C extends DataObject, B extends Builder<C>> extends AbstractCompositeReader<C, B>
+ implements Reader<C> {
+
+ private final RootReaderCustomizer<C, B> customizer;
+
+ /**
+ * Create new {@link CompositeRootReader}
+ *
+ * @param managedDataObjectType Class object for managed data type
+ * @param childReaders Child nodes(container, list) readers
+ * @param augReaders Child augmentations readers
+ * @param customizer Customizer instance to customize this generic reader
+ *
+ */
+ public CompositeRootReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final List<ChildReader<? extends Augmentation<C>>> augReaders,
+ @Nonnull final RootReaderCustomizer<C, B> customizer) {
+ super(managedDataObjectType, childReaders, augReaders);
+ this.customizer = customizer;
+ }
+
+ /**
+ * @see {@link CompositeRootReader#CompositeRootReader(Class, List, List, RootReaderCustomizer)}
+ */
+ public CompositeRootReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final List<ChildReader<? extends ChildOf<C>>> childReaders,
+ @Nonnull final RootReaderCustomizer<C, B> customizer) {
+ this(managedDataObjectType, childReaders, RWUtils.<C>emptyAugReaderList(), customizer);
+ }
+
+ /**
+ * @see {@link CompositeRootReader#CompositeRootReader(Class, List, List, RootReaderCustomizer)}
+ */
+ public CompositeRootReader(@Nonnull final Class<C> managedDataObjectType,
+ @Nonnull final RootReaderCustomizer<C, B> customizer) {
+ this(managedDataObjectType, RWUtils.<C>emptyChildReaderList(), RWUtils.<C>emptyAugReaderList(),
+ customizer);
+ }
+
+ @Override
+ protected void readCurrentAttributes(@Nonnull final InstanceIdentifier<C> id, @Nonnull final B builder,
+ @Nonnull final ReadContext ctx) throws ReadFailedException {
+ customizer.readCurrentAttributes(id, builder, ctx.getContext());
+ }
+
+ @Override
+ protected B getBuilder(@Nonnull final InstanceIdentifier<C> id) {
+ return customizer.getBuilder(id);
+ }
+
+}
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/AbstractCompositeWriter.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/AbstractCompositeWriter.java
new file mode 100644
index 000000000..e971fbeff
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/AbstractCompositeWriter.java
@@ -0,0 +1,270 @@
+/*
+ * 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 static com.google.common.base.Preconditions.checkArgument;
+
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import io.fd.honeycomb.v3po.translate.TranslationException;
+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.write.Writer;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+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;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public abstract class AbstractCompositeWriter<D extends DataObject> implements Writer<D> {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractCompositeWriter.class);
+
+ private final Map<Class<? extends DataObject>, ChildWriter<? extends ChildOf<D>>> childWriters;
+ private final Map<Class<? extends DataObject>, ChildWriter<? extends Augmentation<D>>> augWriters;
+ private final InstanceIdentifier<D> instanceIdentifier;
+
+ public AbstractCompositeWriter(final Class<D> type,
+ final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+ final List<ChildWriter<? extends Augmentation<D>>> augWriters) {
+ this.instanceIdentifier = InstanceIdentifier.create(type);
+ this.childWriters = RWUtils.uniqueLinkedIndex(childWriters, RWUtils.MANAGER_CLASS_FUNCTION);
+ this.augWriters = RWUtils.uniqueLinkedIndex(augWriters, RWUtils.MANAGER_CLASS_AUG_FUNCTION);
+ }
+
+ protected void writeCurrent(final InstanceIdentifier<D> id, final D data, final WriteContext ctx) {
+ LOG.debug("{}: Writing current: {} data: {}", this, id, data);
+
+ LOG.trace("{}: Writing current attributes", this);
+ writeCurrentAttributes(id, data, ctx);
+
+ for (ChildWriter<? extends ChildOf<D>> child : childWriters.values()) {
+ LOG.debug("{}: Writing child in: {}", this, child);
+ child.writeChild(id, data, ctx);
+ }
+
+ for (ChildWriter<? extends Augmentation<D>> child : augWriters.values()) {
+ LOG.debug("{}: Writing augment in: {}", this, child);
+ child.writeChild(id, data, ctx);
+ }
+
+ LOG.debug("{}: Current node written successfully", this);
+ }
+
+ protected void updateCurrent(final InstanceIdentifier<D> id, final D dataBefore, final D dataAfter,
+ final WriteContext ctx) {
+ LOG.debug("{}: Updating current: {} dataBefore: {}, datAfter: {}", this, id, dataBefore, dataAfter);
+
+ if(dataBefore.equals(dataAfter)) {
+ LOG.debug("{}: Skipping current(no update): {}", this, id);
+ // No change, ignore
+ return;
+ }
+
+ LOG.trace("{}: Updating current attributes", this);
+ updateCurrentAttributes(id, dataBefore, dataAfter, ctx);
+
+ for (ChildWriter<? extends ChildOf<D>> child : childWriters.values()) {
+ LOG.debug("{}: Updating child in: {}", this, child);
+ child.updateChild(id, dataBefore, dataAfter, ctx);
+ }
+
+ for (ChildWriter<? extends Augmentation<D>> child : augWriters.values()) {
+ LOG.debug("{}: Updating augment in: {}", this, child);
+ child.updateChild(id, dataBefore, dataAfter, ctx);
+ }
+
+ LOG.debug("{}: Current node updated successfully", this);
+ }
+
+ protected void deleteCurrent(final InstanceIdentifier<D> id, final D dataBefore, final WriteContext ctx) {
+ LOG.debug("{}: Deleting current: {} dataBefore: {}", this, id, dataBefore);
+
+ // delete in reversed order
+ for (ChildWriter<? extends Augmentation<D>> child : reverseCollection(augWriters.values())) {
+ LOG.debug("{}: Deleting augment in: {}", this, child);
+ child.deleteChild(id, dataBefore, ctx);
+ }
+
+ for (ChildWriter<? extends ChildOf<D>> child : reverseCollection(childWriters.values())) {
+ LOG.debug("{}: Deleting child in: {}", this, child);
+ child.deleteChild(id, dataBefore, ctx);
+ }
+
+ LOG.trace("{}: Deleting current attributes", this);
+ deleteCurrentAttributes(id, dataBefore, ctx);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public void update(@Nonnull final InstanceIdentifier<? extends DataObject> id,
+ @Nullable final DataObject dataBefore,
+ @Nullable final DataObject dataAfter,
+ @Nonnull final WriteContext ctx) throws TranslationException {
+ LOG.debug("{}: Updating : {}", this, id);
+ LOG.trace("{}: Updating : {}, from: {} to: {}", this, id, dataBefore, dataAfter);
+
+ if (idPointsToCurrent(id)) {
+ if(isWrite(dataBefore, dataAfter)) {
+ writeCurrent((InstanceIdentifier<D>) id, castToManaged(dataAfter), ctx);
+ } else if(isDelete(dataBefore, dataAfter)) {
+ deleteCurrent((InstanceIdentifier<D>) id, castToManaged(dataBefore), ctx);
+ } else {
+ checkArgument(dataBefore != null && dataAfter != null, "No data to process");
+ updateCurrent((InstanceIdentifier<D>) id, castToManaged(dataBefore), castToManaged(dataAfter), ctx);
+ }
+ } else {
+ if (isWrite(dataBefore, dataAfter)) {
+ writeSubtree(id, dataAfter, ctx);
+ } else if (isDelete(dataBefore, dataAfter)) {
+ deleteSubtree(id, dataBefore, ctx);
+ } else {
+ checkArgument(dataBefore != null && dataAfter != null, "No data to process");
+ updateSubtree(id, dataBefore, dataAfter, ctx);
+ }
+ }
+ }
+
+ private void checkDataType(final @Nullable DataObject dataAfter) {
+ checkArgument(getManagedDataObjectType().getTargetType().isAssignableFrom(dataAfter.getClass()));
+ }
+
+ private D castToManaged(final DataObject data) {
+ checkDataType(data);
+ return getManagedDataObjectType().getTargetType().cast(data);
+ }
+
+ private static boolean isWrite(final DataObject dataBefore,
+ final DataObject dataAfter) {
+ return dataBefore == null && dataAfter != null;
+ }
+
+ private static boolean isDelete(final DataObject dataBefore,
+ final DataObject dataAfter) {
+ return dataAfter == null && dataBefore != null;
+ }
+
+ private void writeSubtree(final InstanceIdentifier<? extends DataObject> id,
+ final DataObject dataAfter, final WriteContext ctx) throws TranslationException {
+ LOG.debug("{}: Writing subtree: {}", this, id);
+ final Writer<? extends ChildOf<D>> writer = getNextWriter(id);
+
+ if (writer != null) {
+ LOG.debug("{}: Writing subtree: {} in: {}", this, id, writer);
+ writer.update(id, null, dataAfter, ctx);
+ } else {
+ // If there's no dedicated writer, use write current
+ // But we need current data after to do so
+ final InstanceIdentifier<D> currentId = RWUtils.cutId(id, getManagedDataObjectType());
+ Optional<DataObject> currentDataAfter = ctx.readAfter(currentId);
+ LOG.debug("{}: Dedicated subtree writer missing for: {}. Writing current.", this,
+ RWUtils.getNextId(id, getManagedDataObjectType()).getType(), currentDataAfter);
+ writeCurrent(currentId, castToManaged(currentDataAfter.get()), ctx);
+ }
+ }
+
+ private boolean idPointsToCurrent(final @Nonnull InstanceIdentifier<? extends DataObject> id) {
+ return id.getTargetType().equals(getManagedDataObjectType().getTargetType());
+ }
+
+ @SuppressWarnings("unchecked")
+ private void deleteSubtree(final InstanceIdentifier<? extends DataObject> id,
+ final DataObject dataBefore, final WriteContext ctx) throws TranslationException {
+ LOG.debug("{}: Deleting subtree: {}", this, id);
+ final Writer<? extends ChildOf<D>> writer = getNextWriter(id);
+
+ if (writer != null) {
+ LOG.debug("{}: Deleting subtree: {} in: {}", this, id, writer);
+ writer.update(id, dataBefore, null, ctx);
+ } else {
+ updateSubtreeFromCurrent(id, ctx);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ private void updateSubtreeFromCurrent(final InstanceIdentifier<? extends DataObject> id, final WriteContext ctx) {
+ final InstanceIdentifier<D> currentId = RWUtils.cutId(id, getManagedDataObjectType());
+ Optional<DataObject> currentDataBefore = ctx.readBefore(currentId);
+ Optional<DataObject> currentDataAfter = ctx.readAfter(currentId);
+ LOG.debug("{}: Dedicated subtree writer missing for: {}. Updating current without subtree", this,
+ RWUtils.getNextId(id, getManagedDataObjectType()).getType(), currentDataAfter);
+ updateCurrent((InstanceIdentifier<D>) id, castToManaged(currentDataBefore.orNull()),
+ castToManaged(currentDataAfter.orNull()), ctx);
+ }
+
+ @SuppressWarnings("unchecked")
+ private void updateSubtree(final InstanceIdentifier<? extends DataObject> id,
+ final DataObject dataBefore,
+ final DataObject dataAfter,
+ final WriteContext ctx) throws TranslationException {
+ LOG.debug("{}: Updating subtree: {}", this, id);
+ final Writer<? extends ChildOf<D>> writer = getNextWriter(id);
+
+ if (writer != null) {
+ LOG.debug("{}: Updating subtree: {} in: {}", this, id, writer);
+ writer.update(id, dataBefore, dataAfter, ctx);
+ } else {
+ updateSubtreeFromCurrent(id, ctx);
+ }
+ }
+
+ private Writer<? extends ChildOf<D>> getNextWriter(final InstanceIdentifier<? extends DataObject> id) {
+ final Class<? extends DataObject> next = RWUtils.getNextId(id, getManagedDataObjectType()).getType();
+ return childWriters.get(next);
+ }
+
+ private static <T> List<T> reverseCollection(final Collection<T> original) {
+ // TODO find a better reverse mechanism (probably a different collection for child writers is necessary)
+ final ArrayList<T> list = Lists.newArrayList(original);
+ Collections.reverse(list);
+ return list;
+ }
+
+ protected abstract void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
+ @Nonnull final D data,
+ @Nonnull final WriteContext ctx);
+
+ protected abstract void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
+ @Nonnull final D dataBefore,
+ @Nonnull final WriteContext ctx);
+
+ protected abstract void updateCurrentAttributes(@Nonnull final InstanceIdentifier<D> id,
+ @Nonnull final D dataBefore,
+ @Nonnull final D dataAfter,
+ @Nonnull final WriteContext ctx);
+
+ @Nonnull
+ @Override
+ public InstanceIdentifier<D> getManagedDataObjectType() {
+ return instanceIdentifier;
+ }
+
+
+ @Override
+ public String toString() {
+ return String.format("Writer[%s]", getManagedDataObjectType().getTargetType().getSimpleName());
+ }
+}
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);
+ }
+ }
+}
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()));
+ }
+}
diff --git a/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeRootWriter.java b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeRootWriter.java
new file mode 100644
index 000000000..acf2cfd2e
--- /dev/null
+++ b/v3po/translate-impl/src/main/java/io/fd/honeycomb/v3po/translate/impl/write/CompositeRootWriter.java
@@ -0,0 +1,72 @@
+/*
+ * 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 io.fd.honeycomb.v3po.translate.write.WriteContext;
+import io.fd.honeycomb.v3po.translate.util.RWUtils;
+import io.fd.honeycomb.v3po.translate.spi.write.RootWriterCustomizer;
+import io.fd.honeycomb.v3po.translate.write.ChildWriter;
+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 CompositeRootWriter<D extends DataObject> extends AbstractCompositeWriter<D> {
+
+ private final RootWriterCustomizer<D> customizer;
+
+ public CompositeRootWriter(@Nonnull final Class<D> type,
+ @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+ @Nonnull final List<ChildWriter<? extends Augmentation<D>>> augWriters,
+ @Nonnull final RootWriterCustomizer<D> customizer) {
+ super(type, childWriters, augWriters);
+ this.customizer = customizer;
+ }
+
+ public CompositeRootWriter(@Nonnull final Class<D> type,
+ @Nonnull final List<ChildWriter<? extends ChildOf<D>>> childWriters,
+ @Nonnull final RootWriterCustomizer<D> customizer) {
+ this(type, childWriters, RWUtils.<D>emptyAugWriterList(), customizer);
+ }
+
+ public CompositeRootWriter(@Nonnull final Class<D> type,
+ @Nonnull final RootWriterCustomizer<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 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());
+ }
+}