/*
+ * 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.DeleteData;
-import org.opendaylight.controller.cluster.datastore.messages.DeleteDataReply;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+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.ForwardedReadyTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.MergeData;
-import org.opendaylight.controller.cluster.datastore.messages.MergeDataReply;
-import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.WriteData;
-import org.opendaylight.controller.cluster.datastore.messages.WriteDataReply;
-import org.opendaylight.controller.cluster.datastore.modification.CompositeModification;
-import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
-import org.opendaylight.controller.cluster.datastore.modification.ImmutableCompositeModification;
-import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
-import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
-import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
-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.ReadData;
+import org.opendaylight.controller.cluster.datastore.modification.Modification;
/**
- * @author: syedbahm
- * Date: 8/6/14
+ * Actor for a shard write-only transaction.
+ *
+ * @author syedbahm
*/
public class ShardWriteTransaction extends ShardTransaction {
- private final MutableCompositeModification modification = new MutableCompositeModification();
- private final DOMStoreWriteTransaction transaction;
+ private int totalBatchedModificationsReceived;
+ private Exception lastBatchedModificationsException;
+ private final ReadWriteShardDataTreeTransaction transaction;
- public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor,
- SchemaContext schemaContext, ShardStats shardStats, String transactionID,
- int txnClientVersion) {
- super(shardActor, schemaContext, shardStats, transactionID, txnClientVersion);
+ public ShardWriteTransaction(final ReadWriteShardDataTreeTransaction transaction, final ActorRef shardActor,
+ final ShardStats shardStats) {
+ super(shardActor, shardStats, transaction.getIdentifier());
this.transaction = transaction;
}
@Override
- protected DOMStoreTransaction getDOMStoreTransaction() {
+ protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() {
return transaction;
}
@Override
- public void handleReceive(Object message) throws Exception {
-
- if (message instanceof WriteData) {
- writeData(transaction, (WriteData) message, !SERIALIZED_REPLY);
-
- } else if (message instanceof MergeData) {
- mergeData(transaction, (MergeData) message, !SERIALIZED_REPLY);
-
- } else if (message instanceof DeleteData) {
- deleteData(transaction, (DeleteData) message, !SERIALIZED_REPLY);
-
- } else if (message instanceof ReadyTransaction) {
- readyTransaction(transaction, new ReadyTransaction(), !SERIALIZED_REPLY);
-
- } else if(WriteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
- writeData(transaction, WriteData.fromSerializable(message, getSchemaContext()), SERIALIZED_REPLY);
-
- } else if(MergeData.SERIALIZABLE_CLASS.equals(message.getClass())) {
- mergeData(transaction, MergeData.fromSerializable(message, getSchemaContext()), SERIALIZED_REPLY);
-
- } else if(DeleteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
- deleteData(transaction, DeleteData.fromSerializable(message), SERIALIZED_REPLY);
-
- } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
- readyTransaction(transaction, new ReadyTransaction(), SERIALIZED_REPLY);
-
- } else if (message instanceof GetCompositedModification) {
- // This is here for testing only
- getSender().tell(new GetCompositeModificationReply(
- new ImmutableCompositeModification(modification)), getSelf());
+ public void handleReceive(final Object message) {
+ if (message instanceof BatchedModifications) {
+ batchedModifications((BatchedModifications)message);
} else {
super.handleReceive(message);
}
}
- private void writeData(DOMStoreWriteTransaction transaction, WriteData message,
- boolean returnSerialized) {
- LOG.debug("writeData at path : {}", message.getPath());
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void batchedModifications(final BatchedModifications batched) {
+ if (checkClosed()) {
+ if (batched.isReady()) {
+ getSelf().tell(PoisonPill.getInstance(), getSelf());
+ }
+ return;
+ }
- modification.addModification(
- new WriteModification(message.getPath(), message.getData(), getSchemaContext()));
try {
- transaction.write(message.getPath(), message.getData());
- WriteDataReply writeDataReply = new WriteDataReply();
- getSender().tell(returnSerialized ? writeDataReply.toSerializable() : writeDataReply,
- getSelf());
- }catch(Exception e){
+ 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(batched);
+ } 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());
+ }
}
}
- private void mergeData(DOMStoreWriteTransaction transaction, MergeData message,
- boolean returnSerialized) {
- LOG.debug("mergeData at path : {}", message.getPath());
-
- modification.addModification(
- new MergeModification(message.getPath(), message.getData(), getSchemaContext()));
-
- try {
- transaction.merge(message.getPath(), message.getData());
- MergeDataReply mergeDataReply = new MergeDataReply();
- getSender().tell(returnSerialized ? mergeDataReply.toSerializable() : mergeDataReply ,
- getSelf());
- }catch(Exception e){
- getSender().tell(new akka.actor.Status.Failure(e), getSelf());
- }
+ protected final void dataExists(final DataExists message) {
+ super.dataExists(transaction, message);
}
- private void deleteData(DOMStoreWriteTransaction transaction, DeleteData message,
- boolean returnSerialized) {
- LOG.debug("deleteData at path : {}", message.getPath());
+ protected final void readData(final ReadData message) {
+ super.readData(transaction, message);
+ }
- modification.addModification(new DeleteModification(message.getPath()));
- try {
- transaction.delete(message.getPath());
- DeleteDataReply deleteDataReply = new DeleteDataReply();
- getSender().tell(returnSerialized ? deleteDataReply.toSerializable() : deleteDataReply,
- getSelf());
- }catch(Exception e){
- getSender().tell(new akka.actor.Status.Failure(e), getSelf());
+ private boolean checkClosed() {
+ final boolean ret = transaction.isClosed();
+ if (ret) {
+ getSender().tell(new akka.actor.Status.Failure(new IllegalStateException(
+ "Transaction is closed, no modifications allowed")), getSelf());
}
+ return ret;
}
- private void readyTransaction(DOMStoreWriteTransaction transaction, ReadyTransaction message,
- boolean returnSerialized) {
- String transactionID = getTransactionID();
+ private void readyTransaction(final BatchedModifications batched) {
+ TransactionIdentifier transactionID = getTransactionId();
LOG.debug("readyTransaction : {}", transactionID);
- DOMStoreThreePhaseCommitCohort cohort = transaction.ready();
-
- getShardActor().forward(new ForwardedReadyTransaction(transactionID, getTxnClientVersion(),
- cohort, modification, returnSerialized), getContext());
+ getShardActor().forward(new ForwardedReadyTransaction(transactionID, batched.getVersion(),
+ transaction, batched.isDoCommitOnReady(), batched.getParticipatingShardNames()), getContext());
// The shard will handle the commit from here so we're no longer needed - self-destruct.
getSelf().tell(PoisonPill.getInstance(), getSelf());
}
-
- // These classes are in here for test purposes only
-
- static class GetCompositedModification {
- }
-
- static class GetCompositeModificationReply {
- private final CompositeModification modification;
-
-
- GetCompositeModificationReply(CompositeModification modification) {
- this.modification = modification;
- }
-
- public CompositeModification getModification() {
- return modification;
- }
- }
}
Code Review / controller.git / blobdiff