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.md.sal.dom.broker.impl;
10 import static com.google.common.base.Preconditions.checkState;
12 import com.google.common.collect.ImmutableMap;
13 import java.util.Collections;
14 import java.util.EnumMap;
16 import java.util.Map.Entry;
17 import java.util.concurrent.atomic.AtomicLong;
18 import javax.annotation.Nonnull;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
21 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
22 import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
23 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
24 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
25 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
26 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
27 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
28 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
29 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
30 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
31 import org.opendaylight.yangtools.concepts.ListenerRegistration;
32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
36 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore> implements
37 DOMDataBroker, AutoCloseable {
38 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
40 private final AtomicLong txNum = new AtomicLong();
41 private final AtomicLong chainNum = new AtomicLong();
42 private final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> extensions;
43 private volatile AutoCloseable closeable;
45 protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
48 boolean treeChange = true;
49 for (DOMStore ds : datastores.values()) {
50 if (!(ds instanceof DOMStoreTreeChangePublisher)) {
57 extensions = ImmutableMap.<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension>of(
58 DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
61 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L>
62 registerDataTreeChangeListener(
63 @Nonnull final DOMDataTreeIdentifier treeId, @Nonnull final L listener) {
64 DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
65 checkState(publisher != null,
66 "Requested logical data store is not available.");
68 return ((DOMStoreTreeChangePublisher) publisher)
69 .registerTreeChangeListener(treeId.getRootIdentifier(), listener);
73 extensions = Collections.emptyMap();
77 public void setCloseable(final AutoCloseable closeable) {
78 this.closeable = closeable;
82 @SuppressWarnings("checkstyle:IllegalCatch")
86 if (closeable != null) {
89 } catch (Exception e) {
90 LOG.debug("Error closing instance", e);
96 protected Object newTransactionIdentifier() {
97 return "DOM-" + txNum.getAndIncrement();
101 public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
102 final YangInstanceIdentifier path, final DOMDataChangeListener listener,
103 final DataChangeScope triggeringScope) {
104 DOMStore potentialStore = getTxFactories().get(store);
105 checkState(potentialStore != null, "Requested logical data store is not available.");
106 return potentialStore.registerChangeListener(path, listener, triggeringScope);
111 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
116 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
119 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(
120 LogicalDatastoreType.class);
121 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
122 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
125 final long chainId = chainNum.getAndIncrement();
126 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
128 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);