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;
11 import java.util.EnumMap;
13 import java.util.Map.Entry;
14 import java.util.concurrent.atomic.AtomicLong;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
17 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
18 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
19 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
20 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
21 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
22 import org.opendaylight.yangtools.concepts.ListenerRegistration;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
27 public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransactionFactory<DOMStore> implements DOMDataBroker, AutoCloseable {
28 private static final Logger LOG = LoggerFactory.getLogger(AbstractDOMDataBroker.class);
30 private final AtomicLong txNum = new AtomicLong();
31 private final AtomicLong chainNum = new AtomicLong();
32 private volatile AutoCloseable closeable;
34 protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
38 public void setCloseable(final AutoCloseable closeable) {
39 this.closeable = closeable;
46 if(closeable != null) {
49 } catch(Exception e) {
50 LOG.debug("Error closing instance", e);
56 protected Object newTransactionIdentifier() {
57 return "DOM-" + txNum.getAndIncrement();
61 public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
62 final YangInstanceIdentifier path, final DOMDataChangeListener listener, final DataChangeScope triggeringScope) {
64 DOMStore potentialStore = getTxFactories().get(store);
65 checkState(potentialStore != null, "Requested logical data store is not available.");
66 return potentialStore.registerChangeListener(path, listener, triggeringScope);
70 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
73 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(LogicalDatastoreType.class);
74 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
75 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
78 final long chainId = chainNum.getAndIncrement();
79 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
81 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, this, listener);