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 com.google.common.base.Preconditions;
12 import com.google.common.util.concurrent.CheckedFuture;
13 import com.google.common.util.concurrent.ListeningExecutorService;
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.common.api.data.TransactionCommitFailedException;
21 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
22 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
23 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
24 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
25 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
26 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
27 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
28 import org.opendaylight.yangtools.concepts.ListenerRegistration;
29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 public class DOMDataBrokerImpl extends AbstractDOMForwardedTransactionFactory<DOMStore> implements DOMDataBroker,
36 private static final Logger LOG = LoggerFactory.getLogger(DOMDataBrokerImpl.class);
38 private final DOMDataCommitExecutor coordinator;
39 private final AtomicLong txNum = new AtomicLong();
40 private final AtomicLong chainNum = new AtomicLong();
41 private volatile AutoCloseable closeable;
43 public DOMDataBrokerImpl(final Map<LogicalDatastoreType, DOMStore> datastores,
44 final ListeningExecutorService executor) {
45 this(datastores, new DOMDataCommitCoordinatorImpl(executor));
48 public DOMDataBrokerImpl(final Map<LogicalDatastoreType, DOMStore> datastores,
49 final DOMDataCommitExecutor coordinator) {
51 this.coordinator = Preconditions.checkNotNull(coordinator);
54 public void setCloseable(final AutoCloseable closeable) {
55 this.closeable = closeable;
62 if(closeable != null) {
65 } catch(Exception e) {
66 LOG.debug("Error closing instance", e);
72 protected Object newTransactionIdentifier() {
73 return "DOM-" + txNum.getAndIncrement();
77 public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
78 final YangInstanceIdentifier path, final DOMDataChangeListener listener, final DataChangeScope triggeringScope) {
80 DOMStore potentialStore = getTxFactories().get(store);
81 checkState(potentialStore != null, "Requested logical data store is not available.");
82 return potentialStore.registerChangeListener(path, listener, triggeringScope);
86 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
89 final Map<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = new EnumMap<>(LogicalDatastoreType.class);
90 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
91 backingChains.put(entry.getKey(), entry.getValue().createTransactionChain());
94 final long chainId = chainNum.getAndIncrement();
95 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
97 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, coordinator, listener);
102 public CheckedFuture<Void,TransactionCommitFailedException> submit(final DOMDataWriteTransaction transaction,
103 final Iterable<DOMStoreThreePhaseCommitCohort> cohorts) {
104 LOG.debug("Transaction: {} submitted with cohorts {}.", transaction.getIdentifier(), cohorts);
105 return coordinator.submit(transaction, cohorts);