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;
12 import java.util.Map.Entry;
13 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.common.api.data.TransactionCommitFailedException;
18 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
20 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
21 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
22 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
23 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
24 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
25 import org.opendaylight.yangtools.concepts.ListenerRegistration;
26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
30 import com.google.common.base.Optional;
31 import com.google.common.collect.ImmutableMap;
32 import com.google.common.util.concurrent.CheckedFuture;
33 import com.google.common.util.concurrent.ListeningExecutorService;
35 public class DOMDataBrokerImpl extends AbstractDOMForwardedTransactionFactory<DOMStore> implements DOMDataBroker,
38 private static final Logger LOG = LoggerFactory.getLogger(DOMDataBrokerImpl.class);
40 private final DOMDataCommitCoordinatorImpl coordinator;
41 private final AtomicLong txNum = new AtomicLong();
42 private final AtomicLong chainNum = new AtomicLong();
44 public DOMDataBrokerImpl(final ImmutableMap<LogicalDatastoreType, DOMStore> datastores,
45 final ListeningExecutorService executor) {
47 this.coordinator = new DOMDataCommitCoordinatorImpl(executor);
51 protected Object newTransactionIdentifier() {
52 return "DOM-" + txNum.getAndIncrement();
56 public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store,
57 final YangInstanceIdentifier path, final DOMDataChangeListener listener, final DataChangeScope triggeringScope) {
59 DOMStore potentialStore = getTxFactories().get(store);
60 checkState(potentialStore != null, "Requested logical data store is not available.");
61 return potentialStore.registerChangeListener(path, listener, triggeringScope);
65 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
66 ImmutableMap.Builder<LogicalDatastoreType, DOMStoreTransactionChain> backingChainsBuilder = ImmutableMap
68 for (Entry<LogicalDatastoreType, DOMStore> entry : getTxFactories().entrySet()) {
69 backingChainsBuilder.put(entry.getKey(), entry.getValue().createTransactionChain());
71 long chainId = chainNum.getAndIncrement();
72 ImmutableMap<LogicalDatastoreType, DOMStoreTransactionChain> backingChains = backingChainsBuilder.build();
73 LOG.debug("Transactoin chain {} created with listener {}, backing store chains {}", chainId, listener,
75 return new DOMDataBrokerTransactionChainImpl(chainId, backingChains, coordinator, listener);
80 public CheckedFuture<Void,TransactionCommitFailedException> submit(final DOMDataWriteTransaction transaction,
81 final Iterable<DOMStoreThreePhaseCommitCohort> cohorts) {
82 LOG.debug("Transaction: {} submitted with cohorts {}.", transaction.getIdentifier(), cohorts);
83 return coordinator.submit(transaction, cohorts, Optional.<DOMDataCommitErrorListener> absent());