opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractThreePhaseCommitCohort.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.util.concurrent.Futures;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.List;
  13 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
  14 import scala.concurrent.Future;
  15
  16 /**
  17  * Abstract base class for {@link DOMStoreThreePhaseCommitCohort} instances returned by this
  18  * implementation. In addition to the usual set of methods it also contains the list of actor
  19  * futures.
  20  */
  21 public abstract class AbstractThreePhaseCommitCohort<T> implements DOMStoreThreePhaseCommitCohort {
  22     protected static final ListenableFuture<Void> IMMEDIATE_VOID_SUCCESS = Futures.immediateFuture(null);
  23     protected static final ListenableFuture<Boolean> IMMEDIATE_BOOLEAN_SUCCESS = Futures.immediateFuture(Boolean.TRUE);
  24
  25     abstract List<Future<T>> getCohortFutures();
  26 }