opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CreateTransaction.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 com.google.common.base.Preconditions;
  12 import java.io.IOException;
  13 import java.io.ObjectInput;
  14 import java.io.ObjectOutput;
  15 import org.opendaylight.controller.protobuff.messages.transaction.ShardTransactionMessages;
  16
  17 public class CreateTransaction extends VersionedExternalizableMessage {
  18     private static final long serialVersionUID = 1L;
  19
  20     private String transactionId;
  21     private int transactionType;
  22     private String transactionChainId;
  23
  24     public CreateTransaction() {
  25     }
  26
  27     public CreateTransaction(String transactionId, int transactionType, String transactionChainId,
  28             short version) {
  29         super(version);
  30         this.transactionId = Preconditions.checkNotNull(transactionId);
  31         this.transactionType = transactionType;
  32         this.transactionChainId = transactionChainId != null ? transactionChainId : "";
  33     }
  34
  35     public String getTransactionId() {
  36         return transactionId;
  37     }
  38
  39     public int getTransactionType() {
  40         return transactionType;
  41     }
  42
  43     public String getTransactionChainId() {
  44         return transactionChainId;
  45     }
  46
  47     @Override
  48     public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
  49         super.readExternal(in);
  50         transactionId = in.readUTF();
  51         transactionType = in.readInt();
  52         transactionChainId = in.readUTF();
  53     }
  54
  55     @Override
  56     public void writeExternal(ObjectOutput out) throws IOException {
  57         super.writeExternal(out);
  58         out.writeUTF(transactionId);
  59         out.writeInt(transactionType);
  60         out.writeUTF(transactionChainId);
  61     }
  62
  63     @Deprecated
  64     @Override
  65     protected Object newLegacySerializedInstance() {
  66         return ShardTransactionMessages.CreateTransaction.newBuilder().setTransactionId(transactionId)
  67                 .setTransactionType(transactionType).setTransactionChainId(transactionChainId)
  68                 .setMessageVersion(getVersion()).build();
  69     }
  70
  71     @Override
  72     public String toString() {
  73         return "CreateTransaction [transactionId=" + transactionId + ", transactionType=" + transactionType
  74                 + ", transactionChainId=" + transactionChainId + "]";
  75     }
  76
  77     public static CreateTransaction fromSerializable(Object message) {
  78         if(message instanceof CreateTransaction) {
  79             return (CreateTransaction)message;
  80         } else {
  81             ShardTransactionMessages.CreateTransaction createTransaction =
  82                     (ShardTransactionMessages.CreateTransaction) message;
  83             return new CreateTransaction(createTransaction.getTransactionId(),
  84                     createTransaction.getTransactionType(), createTransaction.getTransactionChainId(),
  85                     (short)createTransaction.getMessageVersion());
  86         }
  87     }
  88
  89     public static boolean isSerializedType(Object message) {
  90         return message instanceof CreateTransaction || message instanceof ShardTransactionMessages.CreateTransaction;
  91     }
  92 }