opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/DirectTransactionCommitCohort.java

   1 /*
   2  * Copyright (c) 2016 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.databroker.actors.dds;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12
  13 /**
  14  * An {@link AbstractTransactionCommitCohort} implementation for transactions which contain a single proxy. Since there
  15  * is only one proxy,
  16  *
  17  * @author Robert Varga
  18  */
  19 final class DirectTransactionCommitCohort extends AbstractTransactionCommitCohort {
  20     private final AbstractProxyTransaction proxy;
  21
  22     DirectTransactionCommitCohort(final AbstractProxyTransaction proxy) {
  23         this.proxy = Preconditions.checkNotNull(proxy);
  24     }
  25
  26     @Override
  27     public ListenableFuture<Boolean> canCommit() {
  28         return proxy.directCommit();
  29     }
  30
  31     @Override
  32     public ListenableFuture<Void> preCommit() {
  33         return VOID_FUTURE;
  34     }
  35
  36     @Override
  37     public ListenableFuture<Void> abort() {
  38         return VOID_FUTURE;
  39     }
  40
  41     @Override
  42     public ListenableFuture<Void> commit() {
  43         return VOID_FUTURE;
  44     }
  45 }