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.HashSet;
13 import java.util.concurrent.ConcurrentHashMap;
15 import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler;
16 import org.opendaylight.controller.md.sal.common.api.data.DataModification;
17 import org.opendaylight.controller.sal.core.api.data.DataStore;
18 import org.opendaylight.yangtools.yang.common.RpcResult;
19 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
20 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
21 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
25 public final class HashMapDataStore implements DataStore, AutoCloseable {
26 private static final Logger LOG = LoggerFactory
27 .getLogger(HashMapDataStore.class);
29 private final Map<InstanceIdentifier, CompositeNode> configuration = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
30 private final Map<InstanceIdentifier, CompositeNode> operational = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
33 public boolean containsConfigurationPath(final InstanceIdentifier path) {
34 return configuration.containsKey(path);
38 public boolean containsOperationalPath(final InstanceIdentifier path) {
39 return operational.containsKey(path);
43 public Iterable<InstanceIdentifier> getStoredConfigurationPaths() {
44 return configuration.keySet();
48 public Iterable<InstanceIdentifier> getStoredOperationalPaths() {
49 return operational.keySet();
53 public CompositeNode readConfigurationData(final InstanceIdentifier path) {
54 LOG.trace("Reading configuration path {}", path);
55 return configuration.get(path);
59 public CompositeNode readOperationalData(InstanceIdentifier path) {
60 LOG.trace("Reading operational path {}", path);
61 return operational.get(path);
65 public DataCommitHandler.DataCommitTransaction<InstanceIdentifier, CompositeNode> requestCommit(
66 final DataModification<InstanceIdentifier, CompositeNode> modification) {
67 return new HashMapDataStoreTransaction(modification, this);
70 public RpcResult<Void> rollback(HashMapDataStoreTransaction transaction) {
71 return RpcResultBuilder.<Void> success().build();
74 public RpcResult<Void> finish(HashMapDataStoreTransaction transaction) {
75 final DataModification<InstanceIdentifier, CompositeNode> modification = transaction
77 for (final InstanceIdentifier removal : modification
78 .getRemovedConfigurationData()) {
79 LOG.trace("Removing configuration path {}", removal);
80 remove(configuration, removal);
82 for (final InstanceIdentifier removal : modification
83 .getRemovedOperationalData()) {
84 LOG.trace("Removing operational path {}", removal);
85 remove(operational, removal);
87 if (LOG.isTraceEnabled()) {
88 for (final InstanceIdentifier a : modification
89 .getUpdatedConfigurationData().keySet()) {
90 LOG.trace("Adding configuration path {}", a);
92 for (final InstanceIdentifier a : modification
93 .getUpdatedOperationalData().keySet()) {
94 LOG.trace("Adding operational path {}", a);
97 configuration.putAll(modification.getUpdatedConfigurationData());
98 operational.putAll(modification.getUpdatedOperationalData());
100 return RpcResultBuilder.<Void> success().build();
103 public void remove(final Map<InstanceIdentifier, CompositeNode> map,
104 final InstanceIdentifier identifier) {
105 Set<InstanceIdentifier> affected = new HashSet<InstanceIdentifier>();
106 for (final InstanceIdentifier path : map.keySet()) {
107 if (identifier.contains(path)) {
111 for (final InstanceIdentifier pathToRemove : affected) {
112 LOG.trace("Removed path {}", pathToRemove);
113 map.remove(pathToRemove);
118 public void close() {