opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransactionReply.java

   1 /*
   2  * Copyright (c) 2014 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
   9 package org.opendaylight.controller.cluster.datastore.messages;
  10
  11 import org.opendaylight.controller.protobuff.messages.cohort3pc.ThreePhaseCommitCohortMessages;
  12
  13 public class CanCommitTransactionReply implements SerializableMessage {
  14     public static final Class<ThreePhaseCommitCohortMessages.CanCommitTransactionReply> SERIALIZABLE_CLASS =
  15             ThreePhaseCommitCohortMessages.CanCommitTransactionReply.class;
  16
  17     public static final CanCommitTransactionReply YES = new CanCommitTransactionReply(true);
  18     public static final CanCommitTransactionReply NO = new CanCommitTransactionReply(false);
  19
  20     private static final ThreePhaseCommitCohortMessages.CanCommitTransactionReply YES_SERIALIZED =
  21             ThreePhaseCommitCohortMessages.CanCommitTransactionReply.newBuilder().setCanCommit(true).build();
  22
  23     private static final ThreePhaseCommitCohortMessages.CanCommitTransactionReply NO_SERIALIZED =
  24             ThreePhaseCommitCohortMessages.CanCommitTransactionReply.newBuilder().setCanCommit(false).build();
  25
  26     private final boolean canCommit;
  27
  28     private CanCommitTransactionReply(final boolean canCommit) {
  29         this.canCommit = canCommit;
  30     }
  31
  32     public boolean getCanCommit() {
  33         return canCommit;
  34     }
  35
  36     @Override
  37     public Object toSerializable() {
  38         return canCommit ? YES_SERIALIZED : NO_SERIALIZED;
  39     }
  40
  41     public static CanCommitTransactionReply fromSerializable(final Object message) {
  42         ThreePhaseCommitCohortMessages.CanCommitTransactionReply serialized =
  43                 (ThreePhaseCommitCohortMessages.CanCommitTransactionReply) message;
  44         return serialized.getCanCommit() ? YES : NO;
  45     }
  46 }