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.data.api.schema.tree.DataTreeCandidate;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  19 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 final class ChainedCommitCohort extends ShardDataTreeCohort {
  24     private static final Logger LOG = LoggerFactory.getLogger(ChainedCommitCohort.class);
  25     private final ReadWriteShardDataTreeTransaction transaction;
  26     private final ShardDataTreeTransactionChain chain;
  27     private final ShardDataTreeCohort delegate;
  28
  29     ChainedCommitCohort(final ShardDataTreeTransactionChain chain, final ReadWriteShardDataTreeTransaction transaction,
  30             final ShardDataTreeCohort delegate) {
  31         this.transaction = requireNonNull(transaction);
  32         this.delegate = requireNonNull(delegate);
  33         this.chain = requireNonNull(chain);
  34     }
  35
  36     @Override
  37     public void commit(final FutureCallback<UnsignedLong> callback) {
  38         delegate.commit(new FutureCallback<UnsignedLong>() {
  39             @Override
  40             public void onSuccess(final UnsignedLong result) {
  41                 chain.clearTransaction(transaction);
  42                 LOG.debug("Committed transaction {}", transaction);
  43                 callback.onSuccess(result);
  44             }
  45
  46             @Override
  47             public void onFailure(final Throwable failure) {
  48                 LOG.error("Transaction {} commit failed, cannot recover", transaction, failure);
  49                 callback.onFailure(failure);
  50             }
  51         });
  52     }
  53
  54     @Override
  55     public TransactionIdentifier getIdentifier() {
  56         return delegate.getIdentifier();
  57     }
  58
  59     @Override
  60     public void canCommit(final FutureCallback<Void> callback) {
  61         delegate.canCommit(callback);
  62     }
  63
  64     @Override
  65     public void preCommit(final FutureCallback<DataTreeCandidate> callback) {
  66         delegate.preCommit(callback);
  67     }
  68
  69     @Override
  70     public void abort(final FutureCallback<Void> callback) {
  71         delegate.abort(callback);
  72     }
  73
  74     @Override
  75     DataTreeCandidateTip getCandidate() {
  76         return delegate.getCandidate();
  77     }
  78
  79     @Override
  80     DataTreeModification getDataTreeModification() {
  81         return delegate.getDataTreeModification();
  82     }
  83
  84     @Override
  85     public boolean isFailed() {
  86         return delegate.isFailed();
  87     }
  88
  89     @Override
  90     public State getState() {
  91         return delegate.getState();
  92     }
  93
  94     @Override
  95     Optional<SortedSet<String>> getParticipatingShardNames() {
  96         return delegate.getParticipatingShardNames();
  97     }
  98 }