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 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;
  19
  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;
  25
  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);
  31     }
  32
  33     @Override
  34     public void commit(final FutureCallback<UnsignedLong> callback) {
  35         delegate.commit(new FutureCallback<UnsignedLong>() {
  36             @Override
  37             public void onSuccess(final UnsignedLong result) {
  38                 chain.clearTransaction(transaction);
  39                 LOG.debug("Committed transaction {}", transaction);
  40                 callback.onSuccess(result);
  41             }
  42
  43             @Override
  44             public void onFailure(final Throwable failure) {
  45                 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
  46                 callback.onFailure(failure);
  47             }
  48         });
  49     }
  50
  51     @Override
  52     public TransactionIdentifier getIdentifier() {
  53         return delegate.getIdentifier();
  54     }
  55
  56     @Override
  57     public void canCommit(final FutureCallback<Void> callback) {
  58         delegate.canCommit(callback);
  59     }
  60
  61     @Override
  62     public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
  63         delegate.preCommit(callback);
  64     }
  65
  66     @Override
  67     public void abort(final FutureCallback<Void> callback) {
  68         delegate.abort(callback);
  69     }
  70
  71     @Override
  72     DataTreeCandidateTip getCandidate() {
  73         return delegate.getCandidate();
  74     }
  75
  76     @Override
  77     DataTreeModification getDataTreeModification() {
  78         return delegate.getDataTreeModification();
  79     }
  80
  81     @Override
  82     public boolean isFailed() {
  83         return delegate.isFailed();
  84     }
  85
  86     @Override
  87     public State getState() {
  88         return delegate.getState();
  89     }
  90
  91 }