2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.sal.binding.impl;
11 import java.util.Map.Entry;
13 import java.util.concurrent.atomic.AtomicLong;
15 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler;
16 import org.opendaylight.controller.md.sal.common.api.data.DataReader;
17 import org.opendaylight.controller.md.sal.common.impl.routing.AbstractDataReadRouter;
18 import org.opendaylight.controller.md.sal.common.impl.service.AbstractDataBroker;
19 import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
20 import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
21 import org.opendaylight.yangtools.concepts.Registration;
22 import org.opendaylight.yangtools.yang.binding.DataObject;
23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
24 import org.opendaylight.yangtools.yang.binding.util.DataObjectReadingUtil;
26 import com.google.common.base.Predicate;
27 import com.google.common.collect.ImmutableList;
28 import com.google.common.collect.ImmutableMap;
29 import com.google.common.collect.ImmutableMap.Builder;
30 import com.google.common.collect.Maps;
33 public class DataBrokerImpl extends
34 AbstractDataBroker<InstanceIdentifier<? extends DataObject>, DataObject, DataChangeListener> //
35 implements DataProviderService, AutoCloseable {
37 private final static class ContainsWildcarded implements Predicate<InstanceIdentifier<? extends DataObject>> {
39 private final InstanceIdentifier<? extends DataObject> key;
41 public ContainsWildcarded(final InstanceIdentifier<? extends DataObject> key) {
46 public boolean apply(final InstanceIdentifier<? extends DataObject> input) {
47 return key.containsWildcarded(input);
51 private final static class IsContainedWildcarded implements Predicate<InstanceIdentifier<? extends DataObject>> {
53 private final InstanceIdentifier<? extends DataObject> key;
55 public IsContainedWildcarded(final InstanceIdentifier<? extends DataObject> key) {
60 public boolean apply(final InstanceIdentifier<? extends DataObject> input) {
61 return input.containsWildcarded(key);
65 private final AtomicLong nextTransaction = new AtomicLong();
66 private final AtomicLong createdTransactionsCount = new AtomicLong();
67 private final DelegatingDataReadRouter router = new DelegatingDataReadRouter();
68 private DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject> rootCommitHandler;
70 public DataBrokerImpl() {
71 setDataReadRouter(router);
74 public void setDataReadDelegate(final DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate) {
75 router.setDelegate(delegate);
78 public AtomicLong getCreatedTransactionsCount() {
79 return createdTransactionsCount;
83 public DataTransactionImpl beginTransaction() {
84 String transactionId = "BA-" + nextTransaction.getAndIncrement();
85 createdTransactionsCount.getAndIncrement();
86 return new DataTransactionImpl(transactionId, this);
95 protected Predicate<InstanceIdentifier<? extends DataObject>> createContainsPredicate(
96 final InstanceIdentifier<? extends DataObject> key) {
97 return new ContainsWildcarded(key);
101 protected Predicate<InstanceIdentifier<? extends DataObject>> createIsContainedPredicate(
102 final InstanceIdentifier<? extends DataObject> key) {
103 return new IsContainedWildcarded(key);
106 @SuppressWarnings({ "unchecked", "rawtypes" })
108 protected Map<InstanceIdentifier<? extends DataObject>, DataObject> deepGetBySubpath(
109 final Map<InstanceIdentifier<? extends DataObject>, DataObject> dataSet,
110 final InstanceIdentifier<? extends DataObject> path) {
111 Builder<InstanceIdentifier<? extends DataObject>, DataObject> builder = ImmutableMap.builder();
112 Map<InstanceIdentifier<? extends DataObject>, DataObject> potential = Maps.filterKeys(dataSet,
113 createIsContainedPredicate(path));
114 for (Entry<InstanceIdentifier<? extends DataObject>, DataObject> entry : potential.entrySet()) {
116 builder.putAll(DataObjectReadingUtil.readData(entry.getValue(), (InstanceIdentifier) entry.getKey(),
118 } catch (Exception e) {
119 // FIXME : Log exception;
122 return builder.build();
126 public class DelegatingDataReadRouter extends
127 AbstractDataReadRouter<InstanceIdentifier<? extends DataObject>, DataObject> {
129 private DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate;
132 public DataObject readConfigurationData(final InstanceIdentifier<? extends DataObject> path) {
133 return delegate.readConfigurationData(path);
136 public void setDelegate(final DataReader<InstanceIdentifier<? extends DataObject>, DataObject> delegate) {
137 this.delegate = delegate;
141 public DataObject readOperationalData(final InstanceIdentifier<? extends DataObject> path) {
142 return delegate.readOperationalData(path);
146 protected DataObject merge(final InstanceIdentifier<? extends DataObject> path, final Iterable<DataObject> data) {
147 throw new UnsupportedOperationException("Not supported");
151 public Registration registerConfigurationReader(
152 final InstanceIdentifier<? extends DataObject> path,
153 final DataReader<InstanceIdentifier<? extends DataObject>, DataObject> reader) {
154 throw new UnsupportedOperationException("Not supported");
158 public Registration registerOperationalReader(
159 final InstanceIdentifier<? extends DataObject> path,
160 final DataReader<InstanceIdentifier<? extends DataObject>, DataObject> reader) {
161 throw new UnsupportedOperationException("Not supported");
166 protected ImmutableList<DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject>> affectedCommitHandlers(
167 final Set<InstanceIdentifier<? extends DataObject>> paths) {
168 ImmutableList.Builder<DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject>> handlersBuilder = ImmutableList.builder();
169 return handlersBuilder //
170 .add(rootCommitHandler) //
171 .addAll(super.affectedCommitHandlers(paths)) //
175 public void setRootCommitHandler(final DataCommitHandler<InstanceIdentifier<? extends DataObject>, DataObject> commitHandler) {
176 rootCommitHandler = commitHandler;