/*
+ * 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());
}
}
Code Review / controller.git / blobdiff