opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ChainedCommitCohort.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.cluster.datastore;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.primitives.UnsignedLong;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import java.util.Optional;
  15 import java.util.SortedSet;
  16 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
  17 import org.opendaylight.yangtools.yang.common.Empty;
  18 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidate;
  19 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeCandidateTip;
  20 import org.opendaylight.yangtools.yang.data.tree.api.DataTreeModification;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 final class ChainedCommitCohort extends ShardDataTreeCohort {
  25     private static final Logger LOG = LoggerFactory.getLogger(ChainedCommitCohort.class);
  26     private final ReadWriteShardDataTreeTransaction transaction;
  27     private final ShardDataTreeTransactionChain chain;
  28     private final ShardDataTreeCohort delegate;
  29
  30     ChainedCommitCohort(final ShardDataTreeTransactionChain chain, final ReadWriteShardDataTreeTransaction transaction,
  31             final ShardDataTreeCohort delegate) {
  32         this.transaction = requireNonNull(transaction);
  33         this.delegate = requireNonNull(delegate);
  34         this.chain = requireNonNull(chain);
  35     }
  36
  37     @Override
  38     public void commit(final FutureCallback<UnsignedLong> callback) {
  39         delegate.commit(new FutureCallback<UnsignedLong>() {
  40             @Override
  41             public void onSuccess(final UnsignedLong result) {
  42                 chain.clearTransaction(transaction);
  43                 LOG.debug("Committed transaction {}", transaction);
  44                 callback.onSuccess(result);
  45             }
  46
  47             @Override
  48             public void onFailure(final Throwable failure) {
  49                 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
  50                 callback.onFailure(failure);
  51             }
  52         });
  53     }
  54
  55     @Override
  56     public TransactionIdentifier getIdentifier() {
  57         return delegate.getIdentifier();
  58     }
  59
  60     @Override
  61     public void canCommit(final FutureCallback<Empty> callback) {
  62         delegate.canCommit(callback);
  63     }
  64
  65     @Override
  66     public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
  67         delegate.preCommit(callback);
  68     }
  69
  70     @Override
  71     public void abort(final FutureCallback<Empty> callback) {
  72         delegate.abort(callback);
  73     }
  74
  75     @Override
  76     DataTreeCandidateTip getCandidate() {
  77         return delegate.getCandidate();
  78     }
  79
  80     @Override
  81     DataTreeModification getDataTreeModification() {
  82         return delegate.getDataTreeModification();
  83     }
  84
  85     @Override
  86     public boolean isFailed() {
  87         return delegate.isFailed();
  88     }
  89
  90     @Override
  91     public State getState() {
  92         return delegate.getState();
  93     }
  94
  95     @Override
  96     Optional<SortedSet<String>> getParticipatingShardNames() {
  97         return delegate.getParticipatingShardNames();
  98     }
  99 }