+++ /dev/null
-/*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.md.sal.binding.impl;
-
-import com.google.common.base.Objects;
-import com.google.common.base.Optional;
-
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
-import org.opendaylight.controller.sal.binding.impl.connect.dom.BindingIndependentConnector;
-import org.opendaylight.controller.sal.binding.impl.forward.DomForwardedBroker;
-import org.opendaylight.controller.sal.core.api.Broker.ProviderSession;
-import org.opendaylight.controller.sal.core.api.model.SchemaService;
-import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
-import org.opendaylight.yangtools.concepts.Delegator;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.impl.codec.BindingIndependentMappingService;
-import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public abstract class AbstractForwardedDataBroker implements Delegator<DOMDataBroker>, DomForwardedBroker, SchemaContextListener, AutoCloseable {
-
- private static final Logger LOG = LoggerFactory.getLogger(AbstractForwardedDataBroker.class);
- // The Broker to whom we do all forwarding
- private final DOMDataBroker domDataBroker;
-
- // Mapper to convert from Binding Independent objects to Binding Aware
- // objects
- private final BindingIndependentMappingService mappingService;
-
- private final BindingToNormalizedNodeCodec codec;
- private BindingIndependentConnector connector;
- private ProviderSession context;
- private final ListenerRegistration<SchemaContextListener> schemaListenerRegistration;
-
- protected AbstractForwardedDataBroker(final DOMDataBroker domDataBroker,
- final BindingIndependentMappingService mappingService,final SchemaService schemaService) {
- this.domDataBroker = domDataBroker;
- this.mappingService = mappingService;
- this.codec = new BindingToNormalizedNodeCodec(mappingService);
- this.schemaListenerRegistration = schemaService.registerSchemaContextListener(this);
- }
-
- protected BindingToNormalizedNodeCodec getCodec() {
- return codec;
- }
-
- protected BindingIndependentMappingService getMappingService() {
- return mappingService;
- }
-
- @Override
- public DOMDataBroker getDelegate() {
- return domDataBroker;
- }
-
- @Override
- public void onGlobalContextUpdated(final SchemaContext ctx) {
- codec.onGlobalContextUpdated(ctx);
- }
-
- public ListenerRegistration<DataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
- final InstanceIdentifier<?> path, final DataChangeListener listener,
- final DataChangeScope triggeringScope) {
- DOMDataChangeListener domDataChangeListener = new TranslatingDataChangeInvoker(store, path, listener,
- triggeringScope);
- YangInstanceIdentifier domPath = codec.toNormalized(path);
- ListenerRegistration<DOMDataChangeListener> domRegistration = domDataBroker.registerDataChangeListener(store,
- domPath, domDataChangeListener, triggeringScope);
- return new ListenerRegistrationImpl(listener, domRegistration);
- }
-
- protected Map<InstanceIdentifier<?>, DataObject> toBinding(
- InstanceIdentifier<?> path,
- final Map<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized) {
- Map<InstanceIdentifier<?>, DataObject> newMap = new HashMap<>();
-
- for (Map.Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> entry : sortedEntries(normalized)) {
- try {
- Optional<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> potential = getCodec().toBinding(
- entry);
- if (potential.isPresent()) {
- Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = potential.get();
- newMap.put(binding.getKey(), binding.getValue());
- } else if (entry.getKey().getLastPathArgument() instanceof YangInstanceIdentifier.AugmentationIdentifier) {
- DataObject bindingDataObject = getCodec().toBinding(path, entry.getValue());
- if (bindingDataObject != null) {
- newMap.put(path, bindingDataObject);
- }
- }
- } catch (DeserializationException e) {
- LOG.warn("Failed to transform {}, omitting it", entry, e);
- }
- }
- return newMap;
- }
-
- private static final Comparator<Entry<YangInstanceIdentifier, ?>> MAP_ENTRY_COMPARATOR = new Comparator<Entry<YangInstanceIdentifier, ?>>() {
- @Override
- public int compare(final Entry<YangInstanceIdentifier, ?> left,
- final Entry<YangInstanceIdentifier, ?> right) {
- final Iterator<?> li = left.getKey().getPathArguments().iterator();
- final Iterator<?> ri = right.getKey().getPathArguments().iterator();
-
- // Iterate until left is exhausted...
- while (li.hasNext()) {
- if (!ri.hasNext()) {
- // Left is deeper
- return 1;
- }
-
- li.next();
- ri.next();
- }
-
- // Check if right is exhausted
- return ri.hasNext() ? -1 : 0;
- }
- };
-
- private static <T> Iterable<Entry<YangInstanceIdentifier,T>> sortedEntries(final Map<YangInstanceIdentifier, T> map) {
- if (!map.isEmpty()) {
- ArrayList<Entry<YangInstanceIdentifier, T>> entries = new ArrayList<>(map.entrySet());
- Collections.sort(entries, MAP_ENTRY_COMPARATOR);
- return entries;
- } else {
- return Collections.emptySet();
- }
- }
-
- protected Set<InstanceIdentifier<?>> toBinding(InstanceIdentifier<?> path,
- final Set<YangInstanceIdentifier> normalized) {
- Set<InstanceIdentifier<?>> hashSet = new HashSet<>();
- for (YangInstanceIdentifier normalizedPath : normalized) {
- try {
- Optional<InstanceIdentifier<? extends DataObject>> potential = getCodec().toBinding(normalizedPath);
- if (potential.isPresent()) {
- InstanceIdentifier<? extends DataObject> binding = potential.get();
- hashSet.add(binding);
- } else if (normalizedPath.getLastPathArgument() instanceof YangInstanceIdentifier.AugmentationIdentifier) {
- hashSet.add(path);
- }
- } catch (DeserializationException e) {
- LOG.warn("Failed to transform {}, omitting it", normalizedPath, e);
- }
- }
- return hashSet;
- }
-
- protected Optional<DataObject> toBindingData(final InstanceIdentifier<?> path, final NormalizedNode<?, ?> data) {
- if (path.isWildcarded()) {
- return Optional.absent();
- }
-
- try {
- return Optional.fromNullable(getCodec().toBinding(path, data));
- } catch (DeserializationException e) {
- return Optional.absent();
- }
- }
-
- private class TranslatingDataChangeInvoker implements DOMDataChangeListener {
- private final DataChangeListener bindingDataChangeListener;
- private final LogicalDatastoreType store;
- private final InstanceIdentifier<?> path;
- private final DataChangeScope triggeringScope;
-
- public TranslatingDataChangeInvoker(final LogicalDatastoreType store, final InstanceIdentifier<?> path,
- final DataChangeListener bindingDataChangeListener, final DataChangeScope triggeringScope) {
- this.store = store;
- this.path = path;
- this.bindingDataChangeListener = bindingDataChangeListener;
- this.triggeringScope = triggeringScope;
- }
-
- @Override
- public void onDataChanged(
- final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change) {
- bindingDataChangeListener.onDataChanged(new TranslatedDataChangeEvent(change, path));
- }
- }
-
- private class TranslatedDataChangeEvent implements AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> {
- private final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> domEvent;
- private final InstanceIdentifier<?> path;
-
- private Map<InstanceIdentifier<?>, DataObject> createdCache;
- private Map<InstanceIdentifier<?>, DataObject> updatedCache;
- private Map<InstanceIdentifier<?>, DataObject> originalCache;
- private Set<InstanceIdentifier<?>> removedCache;
- private Optional<DataObject> originalDataCache;
- private Optional<DataObject> updatedDataCache;
-
- public TranslatedDataChangeEvent(
- final AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change,
- final InstanceIdentifier<?> path) {
- this.domEvent = change;
- this.path = path;
- }
-
- @Override
- public Map<InstanceIdentifier<?>, DataObject> getCreatedData() {
- if (createdCache == null) {
- createdCache = Collections.unmodifiableMap(toBinding(path, domEvent.getCreatedData()));
- }
- return createdCache;
- }
-
- @Override
- public Map<InstanceIdentifier<?>, DataObject> getUpdatedData() {
- if (updatedCache == null) {
- updatedCache = Collections.unmodifiableMap(toBinding(path, domEvent.getUpdatedData()));
- }
- return updatedCache;
-
- }
-
- @Override
- public Set<InstanceIdentifier<?>> getRemovedPaths() {
- if (removedCache == null) {
- removedCache = Collections.unmodifiableSet(toBinding(path, domEvent.getRemovedPaths()));
- }
- return removedCache;
- }
-
- @Override
- public Map<InstanceIdentifier<?>, DataObject> getOriginalData() {
- if (originalCache == null) {
- originalCache = Collections.unmodifiableMap(toBinding(path, domEvent.getOriginalData()));
- }
- return originalCache;
-
- }
-
- @Override
- public DataObject getOriginalSubtree() {
- if (originalDataCache == null) {
- if(domEvent.getOriginalSubtree() != null) {
- originalDataCache = toBindingData(path, domEvent.getOriginalSubtree());
- } else {
- originalDataCache = Optional.absent();
- }
- }
- return originalDataCache.orNull();
- }
-
- @Override
- public DataObject getUpdatedSubtree() {
- if (updatedDataCache == null) {
- if(domEvent.getUpdatedSubtree() != null) {
- updatedDataCache = toBindingData(path, domEvent.getUpdatedSubtree());
- } else {
- updatedDataCache = Optional.absent();
- }
- }
- return updatedDataCache.orNull();
- }
-
- @Override
- public String toString() {
- return Objects.toStringHelper(TranslatedDataChangeEvent.class) //
- .add("created", getCreatedData()) //
- .add("updated", getUpdatedData()) //
- .add("removed", getRemovedPaths()) //
- .add("dom", domEvent) //
- .toString();
- }
- }
-
- private static class ListenerRegistrationImpl extends AbstractListenerRegistration<DataChangeListener> {
- private final ListenerRegistration<DOMDataChangeListener> registration;
-
- public ListenerRegistrationImpl(final DataChangeListener listener,
- final ListenerRegistration<DOMDataChangeListener> registration) {
- super(listener);
- this.registration = registration;
- }
-
- @Override
- protected void removeRegistration() {
- registration.close();
- }
- }
-
- @Override
- public BindingIndependentConnector getConnector() {
- return this.connector;
- }
-
- @Override
- public ProviderSession getDomProviderContext() {
- return this.context;
- }
-
- @Override
- public void setConnector(final BindingIndependentConnector connector) {
- this.connector = connector;
- }
-
- @Override
- public void setDomProviderContext(final ProviderSession domProviderContext) {
- this.context = domProviderContext;
- }
-
- @Override
- public void startForwarding() {
- // NOOP
- }
-
- @Override
- public void close() throws Exception {
- this.schemaListenerRegistration.close();
- }
-
-}
Code Review / controller.git / blobdiff