2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
3 * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
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
10 package org.opendaylight.controller.cluster.datastore;
12 import akka.actor.ActorRef;
13 import akka.actor.PoisonPill;
14 import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
15 import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
16 import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
17 import org.opendaylight.controller.cluster.datastore.messages.DataExists;
18 import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
19 import org.opendaylight.controller.cluster.datastore.messages.ReadData;
20 import org.opendaylight.controller.cluster.datastore.modification.Modification;
26 public class ShardWriteTransaction extends ShardTransaction {
28 private int totalBatchedModificationsReceived;
29 private Exception lastBatchedModificationsException;
30 private final ReadWriteShardDataTreeTransaction transaction;
32 public ShardWriteTransaction(ReadWriteShardDataTreeTransaction transaction, ActorRef shardActor,
33 ShardStats shardStats) {
34 super(shardActor, shardStats, transaction.getId());
35 this.transaction = transaction;
39 protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() {
44 public void handleReceive(Object message) {
45 if (message instanceof BatchedModifications) {
46 batchedModifications((BatchedModifications)message);
48 super.handleReceive(message);
52 private void batchedModifications(BatchedModifications batched) {
54 if (batched.isReady()) {
55 getSelf().tell(PoisonPill.getInstance(), getSelf());
61 for(Modification modification: batched.getModifications()) {
62 modification.apply(transaction.getSnapshot());
65 totalBatchedModificationsReceived++;
66 if(batched.isReady()) {
67 if(lastBatchedModificationsException != null) {
68 throw lastBatchedModificationsException;
71 if(totalBatchedModificationsReceived != batched.getTotalMessagesSent()) {
72 throw new IllegalStateException(String.format(
73 "The total number of batched messages received %d does not match the number sent %d",
74 totalBatchedModificationsReceived, batched.getTotalMessagesSent()));
77 readyTransaction(false, batched.isDoCommitOnReady(), batched.getVersion());
79 getSender().tell(new BatchedModificationsReply(batched.getModifications().size()), getSelf());
81 } catch (Exception e) {
82 lastBatchedModificationsException = e;
83 getSender().tell(new akka.actor.Status.Failure(e), getSelf());
85 if(batched.isReady()) {
86 getSelf().tell(PoisonPill.getInstance(), getSelf());
91 protected final void dataExists(DataExists message) {
92 super.dataExists(transaction, message);
95 protected final void readData(ReadData message) {
96 super.readData(transaction, message);
99 private boolean checkClosed() {
100 if (transaction.isClosed()) {
101 getSender().tell(new akka.actor.Status.Failure(new IllegalStateException("Transaction is closed, no modifications allowed")), getSelf());
108 private void readyTransaction(boolean returnSerialized, boolean doImmediateCommit, short clientTxVersion) {
109 String transactionID = getTransactionID();
111 LOG.debug("readyTransaction : {}", transactionID);
113 getShardActor().forward(new ForwardedReadyTransaction(transactionID, clientTxVersion,
114 transaction, doImmediateCommit), getContext());
116 // The shard will handle the commit from here so we're no longer needed - self-destruct.
117 getSelf().tell(PoisonPill.getInstance(), getSelf());