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 java.util.Optional;
14 import java.util.SortedSet;
15 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
16 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
19 import org.slf4j.Logger;
20 import org.slf4j.LoggerFactory;
22 final class ChainedCommitCohort extends ShardDataTreeCohort {
23 private static final Logger LOG = LoggerFactory.getLogger(ChainedCommitCohort.class);
24 private final ReadWriteShardDataTreeTransaction transaction;
25 private final ShardDataTreeTransactionChain chain;
26 private final ShardDataTreeCohort delegate;
28 ChainedCommitCohort(final ShardDataTreeTransactionChain chain, final ReadWriteShardDataTreeTransaction transaction,
29 final ShardDataTreeCohort delegate) {
30 this.transaction = Preconditions.checkNotNull(transaction);
31 this.delegate = Preconditions.checkNotNull(delegate);
32 this.chain = Preconditions.checkNotNull(chain);
36 public void commit(final FutureCallback<UnsignedLong> callback) {
37 delegate.commit(new FutureCallback<UnsignedLong>() {
39 public void onSuccess(final UnsignedLong result) {
40 chain.clearTransaction(transaction);
41 LOG.debug("Committed transaction {}", transaction);
42 callback.onSuccess(result);
46 public void onFailure(final Throwable failure) {
47 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
48 callback.onFailure(failure);
54 public TransactionIdentifier getIdentifier() {
55 return delegate.getIdentifier();
59 public void canCommit(final FutureCallback<Void> callback) {
60 delegate.canCommit(callback);
64 public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
65 delegate.preCommit(callback);
69 public void abort(final FutureCallback<Void> callback) {
70 delegate.abort(callback);
74 DataTreeCandidateTip getCandidate() {
75 return delegate.getCandidate();
79 DataTreeModification getDataTreeModification() {
80 return delegate.getDataTreeModification();
84 public boolean isFailed() {
85 return delegate.isFailed();
89 public State getState() {
90 return delegate.getState();
94 Optional<SortedSet<String>> getParticipatingShardNames() {
95 return delegate.getParticipatingShardNames();