2 * Copyright (c) 2016 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
9 package org.opendaylight.mdsal.dom.store.inmemory;
11 import static java.util.Objects.requireNonNull;
13 import com.google.common.annotations.Beta;
14 import java.util.Collection;
15 import java.util.concurrent.Callable;
16 import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
17 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
18 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
23 * Task that coordinates all phases of transaction submit from the provided {@link DOMStoreThreePhaseCommitCohort}'s.
24 * Each phase will only be started once all cohorts have finished the previous phase.
27 public class ShardSubmitCoordinationTask implements Callable<Void> {
29 private static final Logger LOG = LoggerFactory.getLogger(ShardSubmitCoordinationTask.class);
31 private final DOMDataTreeIdentifier rootShardPrefix;
32 private final ShardCanCommitCoordinationTask canCommitCoordinationTask;
33 private final ShardPreCommitCoordinationTask preCommitCoordinationTask;
34 private final ShardCommitCoordinationTask commitCoordinationTask;
35 private final InmemoryDOMDataTreeShardWriteTransaction transaction;
38 public ShardSubmitCoordinationTask(final DOMDataTreeIdentifier rootShardPrefix,
39 final Collection<DOMStoreThreePhaseCommitCohort> cohorts,
40 final InmemoryDOMDataTreeShardWriteTransaction transaction) {
41 this.rootShardPrefix = requireNonNull(rootShardPrefix);
42 this.transaction = transaction;
44 canCommitCoordinationTask = new ShardCanCommitCoordinationTask(rootShardPrefix, cohorts);
45 preCommitCoordinationTask = new ShardPreCommitCoordinationTask(rootShardPrefix, cohorts);
46 commitCoordinationTask = new ShardCommitCoordinationTask(rootShardPrefix, cohorts, transaction);
50 public Void call() throws TransactionCommitFailedException {
52 LOG.debug("Shard {}, tx{} CanCommit started", transaction.getIdentifier(), rootShardPrefix);
53 canCommitCoordinationTask.canCommitBlocking();
55 LOG.debug("Shard {}, tx{} PreCommit started", transaction.getIdentifier(), rootShardPrefix);
56 preCommitCoordinationTask.preCommitBlocking();
58 LOG.debug("Shard {}, tx{} commit started", transaction.getIdentifier(), rootShardPrefix);
59 commitCoordinationTask.commitBlocking();
61 transaction.transactionCommited(transaction);