/*
+ * 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 org.opendaylight.controller.cluster.datastore.messages.DeleteData;
-import org.opendaylight.controller.cluster.datastore.messages.MergeData;
-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 akka.actor.PoisonPill;
+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.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 DOMStoreWriteTransaction transaction;
- public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor,
- SchemaContext schemaContext) {
- super(shardActor, schemaContext);
+ private int totalBatchedModificationsReceived;
+ private Exception lastBatchedModificationsException;
+ private final ReadWriteShardDataTreeTransaction transaction;
+
+ public ShardWriteTransaction(final ReadWriteShardDataTreeTransaction transaction, final ActorRef shardActor,
+ final ShardStats shardStats) {
+ super(shardActor, shardStats, transaction.getIdentifier());
this.transaction = 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));
- } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
- readyTransaction(transaction, new ReadyTransaction());
+ protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() {
+ return transaction;
+ }
+
+ @Override
+ public void handleReceive(final Object message) {
+ if (message instanceof BatchedModifications) {
+ batchedModifications((BatchedModifications)message);
} else {
super.handleReceive(message);
}
}
- @Override
- protected DOMStoreTransaction getDOMStoreTransaction() {
- return transaction;
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void batchedModifications(final 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(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());
+ }
+ }
+ }
+
+ protected final void dataExists(final DataExists message) {
+ super.dataExists(transaction, message);
+ }
+
+ protected final void readData(final ReadData message) {
+ super.readData(transaction, message);
+ }
+
+ 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(final BatchedModifications batched) {
+ TransactionIdentifier transactionID = getTransactionId();
+
+ LOG.debug("readyTransaction : {}", transactionID);
+
+ 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());
}
}
Code Review / controller.git / blobdiff