X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShardWriteTransaction.java;h=e1b342a982c89b42955d95ac1007b4486813e810;hp=396b27a0423c95bdee59e6678c7c12f8796b6c36;hb=4c1877fd363bf0663c91b85b2bf5be64d22e56aa;hpb=3671ac415342e718f34c16d272647abd15b742c1 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java index 396b27a042..e1b342a982 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java @@ -1,56 +1,189 @@ /* + * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved. + * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved. * - * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved. - * - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0 which accompanies this distribution, - * and is available at http://www.eclipse.org/legal/epl-v10.html - * + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.cluster.datastore; import akka.actor.ActorRef; - +import akka.actor.PoisonPill; import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats; +import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications; +import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply; +import org.opendaylight.controller.cluster.datastore.messages.DataExists; import org.opendaylight.controller.cluster.datastore.messages.DeleteData; +import org.opendaylight.controller.cluster.datastore.messages.DeleteDataReply; +import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction; import org.opendaylight.controller.cluster.datastore.messages.MergeData; +import org.opendaylight.controller.cluster.datastore.messages.MergeDataReply; +import org.opendaylight.controller.cluster.datastore.messages.ReadData; import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction; import org.opendaylight.controller.cluster.datastore.messages.WriteData; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; -import org.opendaylight.yangtools.yang.model.api.SchemaContext; +import org.opendaylight.controller.cluster.datastore.messages.WriteDataReply; +import org.opendaylight.controller.cluster.datastore.modification.Modification; /** * @author: syedbahm * Date: 8/6/14 */ public class ShardWriteTransaction extends ShardTransaction { - private final DOMStoreWriteTransaction transaction; - public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor, - SchemaContext schemaContext, ShardStats shardStats) { - super(shardActor, schemaContext, shardStats); + private int totalBatchedModificationsReceived; + private Exception lastBatchedModificationsException; + private final ReadWriteShardDataTreeTransaction transaction; + + public ShardWriteTransaction(ReadWriteShardDataTreeTransaction transaction, ActorRef shardActor, + ShardStats shardStats, String transactionID, short clientTxVersion) { + super(shardActor, shardStats, transactionID, clientTxVersion); this.transaction = transaction; } + @Override + protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() { + return transaction; + } + @Override public void handleReceive(Object message) throws Exception { - if(WriteData.SERIALIZABLE_CLASS.equals(message.getClass())) { - writeData(transaction, WriteData.fromSerializable(message, schemaContext)); - } else if(MergeData.SERIALIZABLE_CLASS.equals(message.getClass())) { - mergeData(transaction, MergeData.fromSerializable(message, schemaContext)); - } else if(DeleteData.SERIALIZABLE_CLASS.equals(message.getClass())) { - deleteData(transaction, DeleteData.fromSerializable(message)); + + if (message instanceof BatchedModifications) { + batchedModifications((BatchedModifications)message); + } else if (message instanceof ReadyTransaction) { + readyTransaction(!SERIALIZED_REPLY, false); } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) { - readyTransaction(transaction, new ReadyTransaction()); + readyTransaction(SERIALIZED_REPLY, false); + } else if(WriteData.isSerializedType(message)) { + writeData(WriteData.fromSerializable(message), SERIALIZED_REPLY); + + } else if(MergeData.isSerializedType(message)) { + mergeData(MergeData.fromSerializable(message), SERIALIZED_REPLY); + + } else if(DeleteData.isSerializedType(message)) { + deleteData(DeleteData.fromSerializable(message), SERIALIZED_REPLY); } else { super.handleReceive(message); } } - @Override - protected DOMStoreTransaction getDOMStoreTransaction() { - return transaction; + private void batchedModifications(BatchedModifications batched) { + if (checkClosed()) { + if (batched.isReady()) { + getSelf().tell(PoisonPill.getInstance(), getSelf()); + } + return; + } + + try { + for(Modification modification: batched.getModifications()) { + modification.apply(transaction.getSnapshot()); + } + + totalBatchedModificationsReceived++; + if(batched.isReady()) { + if(lastBatchedModificationsException != null) { + throw lastBatchedModificationsException; + } + + if(totalBatchedModificationsReceived != batched.getTotalMessagesSent()) { + throw new IllegalStateException(String.format( + "The total number of batched messages received %d does not match the number sent %d", + totalBatchedModificationsReceived, batched.getTotalMessagesSent())); + } + + readyTransaction(false, batched.isDoCommitOnReady()); + } else { + getSender().tell(new BatchedModificationsReply(batched.getModifications().size()), getSelf()); + } + } catch (Exception e) { + lastBatchedModificationsException = e; + getSender().tell(new akka.actor.Status.Failure(e), getSelf()); + + if(batched.isReady()) { + getSelf().tell(PoisonPill.getInstance(), getSelf()); + } + } + } + + protected final void dataExists(DataExists message, final boolean returnSerialized) { + super.dataExists(transaction, message, returnSerialized); + } + + protected final void readData(ReadData message, final boolean returnSerialized) { + super.readData(transaction, message, returnSerialized); + } + + private boolean checkClosed() { + if (transaction.isClosed()) { + getSender().tell(new akka.actor.Status.Failure(new IllegalStateException("Transaction is closed, no modifications allowed")), getSelf()); + return true; + } else { + return false; + } + } + + private void writeData(WriteData message, boolean returnSerialized) { + LOG.debug("writeData at path : {}", message.getPath()); + if (checkClosed()) { + return; + } + + try { + transaction.getSnapshot().write(message.getPath(), message.getData()); + WriteDataReply writeDataReply = WriteDataReply.INSTANCE; + getSender().tell(returnSerialized ? writeDataReply.toSerializable(message.getVersion()) : + writeDataReply, getSelf()); + }catch(Exception e){ + getSender().tell(new akka.actor.Status.Failure(e), getSelf()); + } + } + + private void mergeData(MergeData message, boolean returnSerialized) { + LOG.debug("mergeData at path : {}", message.getPath()); + if (checkClosed()) { + return; + } + + try { + transaction.getSnapshot().merge(message.getPath(), message.getData()); + MergeDataReply mergeDataReply = MergeDataReply.INSTANCE; + getSender().tell(returnSerialized ? mergeDataReply.toSerializable(message.getVersion()) : + mergeDataReply, getSelf()); + }catch(Exception e){ + getSender().tell(new akka.actor.Status.Failure(e), getSelf()); + } + } + + private void deleteData(DeleteData message, boolean returnSerialized) { + LOG.debug("deleteData at path : {}", message.getPath()); + if (checkClosed()) { + return; + } + + try { + transaction.getSnapshot().delete(message.getPath()); + DeleteDataReply deleteDataReply = DeleteDataReply.INSTANCE; + getSender().tell(returnSerialized ? deleteDataReply.toSerializable(message.getVersion()) : + deleteDataReply, getSelf()); + } catch(Exception e) { + getSender().tell(new akka.actor.Status.Failure(e), getSelf()); + } + } + + private void readyTransaction(boolean returnSerialized, boolean doImmediateCommit) { + String transactionID = getTransactionID(); + + LOG.debug("readyTransaction : {}", transactionID); + + ShardDataTreeCohort cohort = transaction.ready(); + + getShardActor().forward(new ForwardedReadyTransaction(transactionID, getClientTxVersion(), + cohort, returnSerialized, doImmediateCommit), getContext()); + + // The shard will handle the commit from here so we're no longer needed - self-destruct. + getSelf().tell(PoisonPill.getInstance(), getSelf()); } }