opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransactionChain.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;
  10
  11 import akka.actor.ActorRef;
  12 import akka.actor.Props;
  13 import akka.actor.UntypedActor;
  14 import akka.japi.Creator;
  15 import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
  16 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
  17 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  18 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  19
  20 /**
  21  * The ShardTransactionChain Actor represents a remote TransactionChain
  22  */
  23 public class ShardTransactionChain extends UntypedActor{
  24
  25   private final DOMStoreTransactionChain chain;
  26
  27   public ShardTransactionChain(DOMStoreTransactionChain chain) {
  28     this.chain = chain;
  29   }
  30
  31   @Override
  32   public void onReceive(Object message) throws Exception {
  33     if(message instanceof CreateTransaction){
  34       DOMStoreReadWriteTransaction transaction = chain.newReadWriteTransaction();
  35       ActorRef transactionActor = getContext().actorOf(ShardTransaction.props(transaction));
  36       getSender().tell(new CreateTransactionReply(transactionActor.path()), getSelf());
  37     }
  38   }
  39
  40   public static Props props(final DOMStoreTransactionChain chain){
  41     return Props.create(new Creator<ShardTransactionChain>(){
  42
  43       @Override
  44       public ShardTransactionChain create() throws Exception {
  45         return new ShardTransactionChain(chain);
  46       }
  47     });
  48   }
  49 }