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 org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
20 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
21 import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
22 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
23 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
24 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
25 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
26 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
27 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
28 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore>
35 implements DOMDataBroker {
36 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
38 private final AtomicLong txNum = new AtomicLong();
39 private final AtomicLong chainNum = new AtomicLong();
40 private final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> extensions;
41 private volatile AutoCloseable closeable;
43 protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
46 boolean treeChange = true;
47 for (DOMStore ds : datastores.values()) {
48 if (!(ds instanceof DOMStoreTreeChangePublisher)) {
55 extensions = ImmutableMap.<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension>of(
56 DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
58 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L>
59 registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
60 DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
61 checkState(publisher != null,
62 "Requested logical data store is not available.");
64 return ((DOMStoreTreeChangePublisher) publisher)
65 .registerTreeChangeListener(treeId.getRootIdentifier(), listener);
69 extensions = Collections.emptyMap();
73 public void setCloseable(final AutoCloseable closeable) {
74 this.closeable = closeable;
78 @SuppressWarnings("checkstyle:IllegalCatch")
82 if (closeable != null) {
85 } catch (Exception e) {
86 LOG.debug("Error closing instance", e);
92 protected Object newTransactionIdentifier() {
93 return "DOM-" + txNum.getAndIncrement();
97 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
102 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
105 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(
106 LogicalDatastoreType.class);
107 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
108 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
111 final long chainId = chainNum.getAndIncrement();
112 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
114 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);