Implement DataChangeListener
[controller.git] / 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 }

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