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 org.opendaylight.mdsal.dom.spi.store.DOMStore;
13 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
14 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher;
16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
17 import org.opendaylight.mdsal.common.api.TransactionChainListener;
18 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
19 import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
20 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
21 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
22 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
23 import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
24 import com.google.common.collect.ImmutableMap;
25 import java.util.Collections;
26 import java.util.EnumMap;
28 import java.util.Map.Entry;
29 import java.util.concurrent.atomic.AtomicLong;
30 import org.opendaylight.yangtools.concepts.ListenerRegistration;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore> 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(DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
56 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
57 DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
58 checkState(publisher != null, "Requested logical data store is not available.");
60 return ((DOMStoreTreeChangePublisher)publisher).registerTreeChangeListener(treeId.getRootIdentifier(), listener);
64 extensions = Collections.emptyMap();
68 public void setCloseable(final AutoCloseable closeable) {
69 this.closeable = closeable;
76 if(closeable != null) {
79 } catch(Exception e) {
80 LOG.debug("Error closing instance", e);
86 protected Object newTransactionIdentifier() {
87 return "DOM-" + txNum.getAndIncrement();
91 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
96 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
99 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(LogicalDatastoreType.class);
100 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
101 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
104 final long chainId = chainNum.getAndIncrement();
105 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
107 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);