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 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;
  21
  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;
  27
  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);
  33     }
  34
  35     @Override
  36     public void commit(final FutureCallback<UnsignedLong> callback) {
  37         delegate.commit(new FutureCallback<UnsignedLong>() {
  38             @Override
  39             public void onSuccess(final UnsignedLong result) {
  40                 chain.clearTransaction(transaction);
  41                 LOG.debug("Committed transaction {}", transaction);
  42                 callback.onSuccess(result);
  43             }
  44
  45             @Override
  46             public void onFailure(final Throwable failure) {
  47                 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
  48                 callback.onFailure(failure);
  49             }
  50         });
  51     }
  52
  53     @Override
  54     public TransactionIdentifier getIdentifier() {
  55         return delegate.getIdentifier();
  56     }
  57
  58     @Override
  59     public void canCommit(final FutureCallback<Void> callback) {
  60         delegate.canCommit(callback);
  61     }
  62
  63     @Override
  64     public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
  65         delegate.preCommit(callback);
  66     }
  67
  68     @Override
  69     public void abort(final FutureCallback<Void> callback) {
  70         delegate.abort(callback);
  71     }
  72
  73     @Override
  74     DataTreeCandidateTip getCandidate() {
  75         return delegate.getCandidate();
  76     }
  77
  78     @Override
  79     DataTreeModification getDataTreeModification() {
  80         return delegate.getDataTreeModification();
  81     }
  82
  83     @Override
  84     public boolean isFailed() {
  85         return delegate.isFailed();
  86     }
  87
  88     @Override
  89     public State getState() {
  90         return delegate.getState();
  91     }
  92
  93     @Override
  94     Optional<SortedSet<String>> getParticipatingShardNames() {
  95         return delegate.getParticipatingShardNames();
  96     }
  97 }