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.dom.broker.impl;
10 import java.util.Collections;
11 import java.util.HashSet;
14 import java.util.concurrent.ConcurrentHashMap;
16 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler;
17 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
18 import org.opendaylight.controller.sal.common.util.Rpcs;
19 import org.opendaylight.controller.sal.core.api.data.DataStore;
20 import org.opendaylight.yangtools.yang.common.RpcError;
21 import org.opendaylight.yangtools.yang.common.RpcResult;
22 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
23 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
27 public final class HashMapDataStore implements DataStore, AutoCloseable {
28 private static final Logger LOG = LoggerFactory
29 .getLogger(HashMapDataStore.class);
31 private final Map<InstanceIdentifier, CompositeNode> configuration = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
32 private final Map<InstanceIdentifier, CompositeNode> operational = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
35 public boolean containsConfigurationPath(final InstanceIdentifier path) {
36 return configuration.containsKey(path);
40 public boolean containsOperationalPath(final InstanceIdentifier path) {
41 return operational.containsKey(path);
45 public Iterable<InstanceIdentifier> getStoredConfigurationPaths() {
46 return configuration.keySet();
50 public Iterable<InstanceIdentifier> getStoredOperationalPaths() {
51 return operational.keySet();
55 public CompositeNode readConfigurationData(final InstanceIdentifier path) {
56 LOG.trace("Reading configuration path {}", path);
57 return configuration.get(path);
61 public CompositeNode readOperationalData(InstanceIdentifier path) {
62 LOG.trace("Reading operational path {}", path);
63 return operational.get(path);
67 public DataCommitHandler.DataCommitTransaction<InstanceIdentifier, CompositeNode> requestCommit(
68 final DataModification<InstanceIdentifier, CompositeNode> modification) {
69 return new HashMapDataStoreTransaction(modification, this);
72 public RpcResult<Void> rollback(HashMapDataStoreTransaction transaction) {
73 return Rpcs.<Void> getRpcResult(true, null,
74 Collections.<RpcError> emptySet());
77 public RpcResult<Void> finish(HashMapDataStoreTransaction transaction) {
78 final DataModification<InstanceIdentifier, CompositeNode> modification = transaction
80 for (final InstanceIdentifier removal : modification
81 .getRemovedConfigurationData()) {
82 LOG.trace("Removing configuration path {}", removal);
83 remove(configuration, removal);
85 for (final InstanceIdentifier removal : modification
86 .getRemovedOperationalData()) {
87 LOG.trace("Removing operational path {}", removal);
88 remove(operational, removal);
90 if (LOG.isTraceEnabled()) {
91 for (final InstanceIdentifier a : modification
92 .getUpdatedConfigurationData().keySet()) {
93 LOG.trace("Adding configuration path {}", a);
95 for (final InstanceIdentifier a : modification
96 .getUpdatedOperationalData().keySet()) {
97 LOG.trace("Adding operational path {}", a);
100 configuration.putAll(modification.getUpdatedConfigurationData());
101 operational.putAll(modification.getUpdatedOperationalData());
103 return Rpcs.<Void> getRpcResult(true, null,
104 Collections.<RpcError> emptySet());
107 public void remove(final Map<InstanceIdentifier, CompositeNode> map,
108 final InstanceIdentifier identifier) {
109 Set<InstanceIdentifier> affected = new HashSet<InstanceIdentifier>();
110 for (final InstanceIdentifier path : map.keySet()) {
111 if (identifier.contains(path)) {
115 for (final InstanceIdentifier pathToRemove : affected) {
116 LOG.trace("Removed path {}", pathToRemove);
117 map.remove(pathToRemove);
122 public void close() {