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.eclipse.jdt.annotation.NonNull;
  14 import org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort;
  15 import org.opendaylight.yangtools.yang.common.Empty;
  16 import scala.concurrent.Future;
  17
  18 /**
  19  * Abstract base class for {@link DOMStoreThreePhaseCommitCohort} instances returned by this
  20  * implementation. In addition to the usual set of methods it also contains the list of actor
  21  * futures.
  22  */
  23 public abstract class AbstractThreePhaseCommitCohort<T> implements DOMStoreThreePhaseCommitCohort {
  24     protected static final @NonNull ListenableFuture<Empty> IMMEDIATE_EMPTY_SUCCESS =
  25         Futures.immediateFuture(Empty.value());
  26     protected static final @NonNull ListenableFuture<Boolean> IMMEDIATE_BOOLEAN_SUCCESS =
  27         Futures.immediateFuture(Boolean.TRUE);
  28
  29     abstract List<Future<T>> getCohortFutures();
  30 }