2 * Copyright (c) 2015 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.cluster.datastore;
10 import com.google.common.base.Preconditions;
11 import com.google.common.primitives.UnsignedLong;
12 import com.google.common.util.concurrent.FutureCallback;
13 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
15 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
17 import org.slf4j.Logger;
18 import org.slf4j.LoggerFactory;
20 final class ChainedCommitCohort extends ShardDataTreeCohort {
21 private static final Logger LOG = LoggerFactory.getLogger(ChainedCommitCohort.class);
22 private final ReadWriteShardDataTreeTransaction transaction;
23 private final ShardDataTreeTransactionChain chain;
24 private final ShardDataTreeCohort delegate;
26 ChainedCommitCohort(final ShardDataTreeTransactionChain chain, final ReadWriteShardDataTreeTransaction transaction,
27 final ShardDataTreeCohort delegate) {
28 this.transaction = Preconditions.checkNotNull(transaction);
29 this.delegate = Preconditions.checkNotNull(delegate);
30 this.chain = Preconditions.checkNotNull(chain);
34 public void commit(final FutureCallback<UnsignedLong> callback) {
35 delegate.commit(new FutureCallback<UnsignedLong>() {
37 public void onSuccess(final UnsignedLong result) {
38 chain.clearTransaction(transaction);
39 LOG.debug("Committed transaction {}", transaction);
40 callback.onSuccess(result);
44 public void onFailure(final Throwable failure) {
45 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
46 callback.onFailure(failure);
52 public TransactionIdentifier getIdentifier() {
53 return delegate.getIdentifier();
57 public void canCommit(final FutureCallback<Void> callback) {
58 delegate.canCommit(callback);
62 public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
63 delegate.preCommit(callback);
67 public void abort(final FutureCallback<Void> callback) {
68 delegate.abort(callback);
72 DataTreeCandidateTip getCandidate() {
73 return delegate.getCandidate();
77 DataTreeModification getDataTreeModification() {
78 return delegate.getDataTreeModification();
82 public boolean isFailed() {
83 return delegate.isFailed();
87 public State getState() {
88 return delegate.getState();