opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ReadyTransactionReply.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 java.io.IOException;
  12 import java.io.ObjectInput;
  13 import java.io.ObjectOutput;
  14 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
  15 import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
  16
  17 public class ReadyTransactionReply extends VersionedExternalizableMessage {
  18     private static final long serialVersionUID = 1L;
  19
  20     public static final Class<ShardTransactionMessages.ReadyTransactionReply> SERIALIZABLE_CLASS =
  21             ShardTransactionMessages.ReadyTransactionReply.class;
  22
  23     private String cohortPath;
  24
  25     public ReadyTransactionReply() {
  26     }
  27
  28     public ReadyTransactionReply(String cohortPath) {
  29         this(cohortPath, DataStoreVersions.CURRENT_VERSION);
  30     }
  31
  32     public ReadyTransactionReply(String cohortPath, short version) {
  33         super(version);
  34         this.cohortPath = cohortPath;
  35     }
  36
  37     public String getCohortPath() {
  38         return cohortPath;
  39     }
  40
  41     @Override
  42     public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
  43         super.readExternal(in);
  44         cohortPath = in.readUTF();
  45     }
  46
  47     @Override
  48     public void writeExternal(ObjectOutput out) throws IOException {
  49         super.writeExternal(out);
  50         out.writeUTF(cohortPath);
  51     }
  52
  53     @Override
  54     public Object toSerializable() {
  55         if(getVersion() >= DataStoreVersions.LITHIUM_VERSION) {
  56             return this;
  57         } else {
  58             return ShardTransactionMessages.ReadyTransactionReply.newBuilder().setActorPath(cohortPath).build();
  59         }
  60     }
  61
  62     public static ReadyTransactionReply fromSerializable(Object serializable) {
  63         if(serializable instanceof ReadyTransactionReply) {
  64             return (ReadyTransactionReply)serializable;
  65         } else {
  66             ShardTransactionMessages.ReadyTransactionReply o =
  67                     (ShardTransactionMessages.ReadyTransactionReply) serializable;
  68             return new ReadyTransactionReply(o.getActorPath(), DataStoreVersions.HELIUM_2_VERSION);
  69         }
  70     }
  71
  72     public static boolean isSerializedType(Object message) {
  73         return message instanceof ReadyTransactionReply ||
  74                message instanceof ShardTransactionMessages.ReadyTransactionReply;
  75     }
  76 }