opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTreeCohort.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.annotations.VisibleForTesting;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip;
  13
  14 public abstract class ShardDataTreeCohort {
  15     ShardDataTreeCohort() {
  16         // Prevent foreign instantiation
  17     }
  18
  19     abstract DataTreeCandidateTip getCandidate();
  20
  21     @VisibleForTesting
  22     public abstract ListenableFuture<Boolean> canCommit();
  23     @VisibleForTesting
  24     public abstract ListenableFuture<Void> preCommit();
  25     @VisibleForTesting
  26     public abstract ListenableFuture<Void> abort();
  27     @VisibleForTesting
  28     public abstract ListenableFuture<Void> commit();
  29 }