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.japi.Creator;
  14 import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChain;
  15 import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChainReply;
  16 import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
  17 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
  18 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  19 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  20
  21 /**
  22  * The ShardTransactionChain Actor represents a remote TransactionChain
  23  */
  24 public class ShardTransactionChain extends AbstractUntypedActor{
  25
  26   private final DOMStoreTransactionChain chain;
  27
  28   public ShardTransactionChain(DOMStoreTransactionChain chain) {
  29     this.chain = chain;
  30   }
  31
  32   @Override
  33   public void handleReceive(Object message) throws Exception {
  34     if(message instanceof CreateTransaction){
  35       DOMStoreReadWriteTransaction transaction = chain.newReadWriteTransaction();
  36       ActorRef transactionActor = getContext().actorOf(ShardTransaction.props(chain, transaction, getContext().parent()));
  37       getSender().tell(new CreateTransactionReply(transactionActor.path()), getSelf());
  38     } else if (message instanceof CloseTransactionChain){
  39       chain.close();
  40       getSender().tell(new CloseTransactionChainReply(), getSelf());
  41     }
  42   }
  43
  44   public static Props props(final DOMStoreTransactionChain chain){
  45     return Props.create(new Creator<ShardTransactionChain>(){
  46
  47       @Override
  48       public ShardTransactionChain create() throws Exception {
  49         return new ShardTransactionChain(chain);
  50       }
  51     });
  52   }
  53 }