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.mdsal.dom.broker;
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.mdsal.common.api.LogicalDatastoreType;
19 import org.opendaylight.mdsal.common.api.TransactionChainListener;
20 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
21 import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
22 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
23 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
24 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
25 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
26 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
27 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
28 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher;
29 import org.opendaylight.yangtools.concepts.ListenerRegistration;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore>
34 implements DOMDataBroker, AutoCloseable {
35 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
37 private final AtomicLong txNum = new AtomicLong();
38 private final AtomicLong chainNum = new AtomicLong();
39 private final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> extensions;
40 private volatile AutoCloseable closeable;
42 protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
45 boolean treeChange = true;
46 for (DOMStore ds : datastores.values()) {
47 if (!(ds instanceof DOMStoreTreeChangePublisher)) {
54 extensions = ImmutableMap.<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension>of(
55 DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
57 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L>
58 registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
59 DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
60 checkState(publisher != null, "Requested logical data store is not available.");
62 return ((DOMStoreTreeChangePublisher)publisher).registerTreeChangeListener(
63 treeId.getRootIdentifier(), listener);
67 extensions = Collections.emptyMap();
71 public void setCloseable(final AutoCloseable closeable) {
72 this.closeable = closeable;
75 @SuppressWarnings("checkstyle:IllegalCatch")
80 if (closeable != null) {
83 } catch (Exception e) {
84 LOG.debug("Error closing instance", e);
90 protected Object newTransactionIdentifier() {
91 return "DOM-" + txNum.getAndIncrement();
95 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
100 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
103 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains =
104 new EnumMap<>(LogicalDatastoreType.class);
105 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
106 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
109 final long chainId = chainNum.getAndIncrement();
110 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
112 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);