opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransaction.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.cluster.datastore.DataStoreVersions;
  12 import org.opendaylight.controller.protobuff.messages.cohort3pc.ThreePhaseCommitCohortMessages;
  13
  14 public class CanCommitTransaction extends AbstractThreePhaseCommitMessage {
  15     private static final long serialVersionUID = 1L;
  16
  17     public CanCommitTransaction() {
  18     }
  19
  20     public CanCommitTransaction(String transactionID, final short version) {
  21         super(transactionID, version);
  22     }
  23
  24     @Override
  25     protected Object newLegacySerializedInstance() {
  26         return ThreePhaseCommitCohortMessages.CanCommitTransaction.newBuilder().
  27                 setTransactionId(getTransactionID()).build();
  28     }
  29
  30     public static CanCommitTransaction fromSerializable(Object serializable) {
  31         if(serializable instanceof CanCommitTransaction) {
  32             return (CanCommitTransaction)serializable;
  33         } else {
  34             return new CanCommitTransaction(((ThreePhaseCommitCohortMessages.CanCommitTransaction)serializable).
  35                     getTransactionId(), DataStoreVersions.LITHIUM_VERSION);
  36         }
  37     }
  38
  39     public static boolean isSerializedType(Object message) {
  40         return message instanceof CanCommitTransaction ||
  41                 message instanceof ThreePhaseCommitCohortMessages.CanCommitTransaction;
  42     }
  43 }