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 com.google.common.base.Preconditions;
11 import com.google.common.collect.ClassToInstanceMap;
12 import com.google.common.collect.ImmutableClassToInstanceMap;
13 import java.util.EnumMap;
15 import java.util.Map.Entry;
16 import java.util.concurrent.atomic.AtomicLong;
17 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
18 import org.opendaylight.mdsal.common.api.TransactionChainListener;
19 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
20 import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
21 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
22 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
23 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
24 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
25 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
26 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
27 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
32 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore>
33 implements DOMDataBroker, AutoCloseable {
34 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
36 private final AtomicLong txNum = new AtomicLong();
37 private final AtomicLong chainNum = new AtomicLong();
38 private final ClassToInstanceMap<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 = ImmutableClassToInstanceMap.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 Preconditions.checkState(publisher != null,
61 "Requested logical data store is not available.");
63 return ((DOMStoreTreeChangePublisher)publisher).registerTreeChangeListener(
64 treeId.getRootIdentifier(), listener);
68 extensions = ImmutableClassToInstanceMap.of();
72 public void setCloseable(final AutoCloseable closeable) {
73 this.closeable = closeable;
76 @SuppressWarnings("checkstyle:IllegalCatch")
81 if (closeable != null) {
84 } catch (Exception e) {
85 LOG.debug("Error closing instance", e);
91 protected Object newTransactionIdentifier() {
92 return "DOM-" + txNum.getAndIncrement();
96 public ClassToInstanceMap<DOMDataBrokerExtension> getExtensions() {
101 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
104 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains =
105 new EnumMap<>(LogicalDatastoreType.class);
106 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
107 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
110 final long chainId = chainNum.getAndIncrement();
111 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
113 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);