opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardReadTransaction.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 package org.opendaylight.controller.cluster.datastore;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import akka.actor.ActorRef;
  13 import org.opendaylight.controller.cluster.datastore.messages.DataExists;
  14 import org.opendaylight.controller.cluster.datastore.messages.ReadData;
  15
  16 /**
  17  * Actor for a shard read transaction.
  18  *
  19  * @author syedbahm
  20  */
  21 public class ShardReadTransaction extends ShardTransaction {
  22     private final AbstractShardDataTreeTransaction<?> transaction;
  23
  24     public ShardReadTransaction(final AbstractShardDataTreeTransaction<?> transaction, final ActorRef shardActor,
  25             final ShardStats shardStats) {
  26         super(shardActor, shardStats, transaction.getIdentifier());
  27         this.transaction = requireNonNull(transaction);
  28     }
  29
  30     @Override
  31     public void handleReceive(final Object message) {
  32         if (ReadData.isSerializedType(message)) {
  33             readData(transaction, ReadData.fromSerializable(message));
  34         } else if (DataExists.isSerializedType(message)) {
  35             dataExists(transaction, DataExists.fromSerializable(message));
  36         } else {
  37             super.handleReceive(message);
  38         }
  39     }
  40
  41     @Override
  42     protected AbstractShardDataTreeTransaction<?> getDOMStoreTransaction() {
  43         return transaction;
  44     }
  45
  46     @Override
  47     protected boolean returnCloseTransactionReply() {
  48         return false;
  49     }
  50 }