opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java

   1 /*
   2  *
   3  *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  *  This program and the accompanying materials are made available under the
   6  *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  *  and is available at http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  */
  10
  11 package org.opendaylight.controller.cluster.datastore;
  12
  13 import akka.actor.ActorRef;
  14 import akka.actor.PoisonPill;
  15 import akka.event.Logging;
  16 import akka.event.LoggingAdapter;
  17 import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
  18 import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionReply;
  19 import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
  20 import org.opendaylight.controller.cluster.datastore.messages.MergeData;
  21 import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
  22 import org.opendaylight.controller.cluster.datastore.messages.WriteData;
  23 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  24 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  25 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  26
  27 /**
  28  * @author: syedbahm
  29  * Date: 8/6/14
  30  */
  31 public class ShardWriteTransaction extends ShardTransaction {
  32   private final DOMStoreWriteTransaction transaction;
  33   private final LoggingAdapter log =
  34       Logging.getLogger(getContext().system(), this);
  35   public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor, SchemaContext schemaContext) {
  36     super( shardActor, schemaContext);
  37     this.transaction = transaction;
  38
  39   }
  40
  41   public ShardWriteTransaction(DOMStoreTransactionChain transactionChain, DOMStoreWriteTransaction transaction, ActorRef shardActor, SchemaContext schemaContext) {
  42     super(transactionChain, shardActor, schemaContext);
  43     this.transaction = transaction;
  44   }
  45
  46   @Override
  47   public void handleReceive(Object message) throws Exception {
  48     if (WriteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
  49       writeData(transaction, WriteData.fromSerializable(message, schemaContext));
  50     } else if (MergeData.SERIALIZABLE_CLASS.equals(message.getClass())) {
  51       mergeData(transaction, MergeData.fromSerializable(message, schemaContext));
  52     } else if (DeleteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
  53       deleteData(transaction,DeleteData.fromSerializable(message));
  54     } else if (ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
  55       readyTransaction(transaction,new ReadyTransaction());
  56     }else {
  57       super.handleReceive(message);
  58     }
  59   }
  60
  61   protected void closeTransaction(CloseTransaction message) {
  62     transaction.close();
  63     getSender().tell(new CloseTransactionReply().toSerializable(), getSelf());
  64     getSelf().tell(PoisonPill.getInstance(), getSelf());
  65   }
  66
  67     /**
  68      * The following method is used in unit testing only
  69      * hence the default scope.
  70      * This is done to test out failure cases.
  71      */
  72     public void forUnitTestOnlyExplicitTransactionClose() {
  73         transaction.close();
  74     }
  75 }