/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 Brocade Communications 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,
import akka.dispatch.Mapper;
import akka.dispatch.OnComplete;
import com.google.common.base.Optional;
-import com.google.common.collect.Lists;
import com.google.common.util.concurrent.SettableFuture;
-import java.util.List;
import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
-import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
import org.opendaylight.controller.cluster.datastore.messages.DataExists;
import org.opendaylight.controller.cluster.datastore.messages.DataExistsReply;
import org.opendaylight.controller.cluster.datastore.messages.ReadData;
import org.opendaylight.controller.cluster.datastore.messages.ReadDataReply;
-import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.SerializableMessage;
import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
private final OperationCompleter operationCompleter;
private BatchedModifications batchedModifications;
+ private int totalBatchedModificationsSent;
protected TransactionContextImpl(ActorSelection actor, TransactionIdentifier identifier,
String transactionChainId, ActorContext actorContext, SchemaContext schemaContext, boolean isTxActorLocal,
@Override
public void closeTransaction() {
- LOG.debug("Tx {} closeTransaction called", identifier);
+ LOG.debug("Tx {} closeTransaction called", getIdentifier());
actorContext.sendOperationAsync(getActor(), CloseTransaction.INSTANCE.toSerializable());
}
@Override
public Future<ActorSelection> readyTransaction() {
- LOG.debug("Tx {} readyTransaction called with {} previous recorded operations pending",
- identifier, recordedOperationFutures.size());
+ LOG.debug("Tx {} readyTransaction called", getIdentifier());
- // Send the remaining batched modifications if any.
+ // Send the remaining batched modifications, if any, with the ready flag set.
- sendAndRecordBatchedModifications();
+ Future<Object> lastModificationsFuture = sendBatchedModifications(true);
- // Send the ReadyTransaction message to the Tx actor.
-
- Future<Object> readyReplyFuture = executeOperationAsync(ReadyTransaction.INSTANCE);
-
- return combineRecordedOperationsFutures(readyReplyFuture);
+ return transformReadyReply(lastModificationsFuture);
}
- protected Future<ActorSelection> combineRecordedOperationsFutures(final Future<Object> withLastReplyFuture) {
- // Combine all the previously recorded put/merge/delete operation reply Futures and the
- // ReadyTransactionReply Future into one Future. If any one fails then the combined
- // Future will fail. We need all prior operations and the ready operation to succeed
- // in order to attempt commit.
-
- List<Future<Object>> futureList = Lists.newArrayListWithCapacity(recordedOperationFutures.size() + 1);
- futureList.addAll(recordedOperationFutures);
- futureList.add(withLastReplyFuture);
-
- Future<Iterable<Object>> combinedFutures = akka.dispatch.Futures.sequence(futureList,
- actorContext.getClientDispatcher());
-
- // Transform the combined Future into a Future that returns the cohort actor path from
- // the ReadyTransactionReply. That's the end result of the ready operation.
+ protected Future<ActorSelection> transformReadyReply(final Future<Object> readyReplyFuture) {
+ // Transform the last reply Future into a Future that returns the cohort actor path from
+ // the last reply message. That's the end result of the ready operation.
- return combinedFutures.transform(new Mapper<Iterable<Object>, ActorSelection>() {
+ return readyReplyFuture.transform(new Mapper<Object, ActorSelection>() {
@Override
- public ActorSelection checkedApply(Iterable<Object> notUsed) {
- LOG.debug("Tx {} readyTransaction: pending recorded operations succeeded",
- identifier);
-
- // At this point all the Futures succeeded and we need to extract the cohort
- // actor path from the ReadyTransactionReply. For the recorded operations, they
- // don't return any data so we're only interested that they completed
- // successfully. We could be paranoid and verify the correct reply types but
- // that really should never happen so it's not worth the overhead of
- // de-serializing each reply.
-
- // Note the Future get call here won't block as it's complete.
- Object serializedReadyReply = withLastReplyFuture.value().get().get();
- if (serializedReadyReply instanceof ReadyTransactionReply) {
- return actorContext.actorSelection(((ReadyTransactionReply)serializedReadyReply).getCohortPath());
- } else if(serializedReadyReply instanceof BatchedModificationsReply) {
- return actorContext.actorSelection(((BatchedModificationsReply)serializedReadyReply).getCohortPath());
- } else if(serializedReadyReply.getClass().equals(ReadyTransactionReply.SERIALIZABLE_CLASS)) {
- ReadyTransactionReply reply = ReadyTransactionReply.fromSerializable(serializedReadyReply);
- String cohortPath = deserializeCohortPath(reply.getCohortPath());
- return actorContext.actorSelection(cohortPath);
- } else {
- // Throwing an exception here will fail the Future.
- throw new IllegalArgumentException(String.format("%s: Invalid reply type %s",
- identifier, serializedReadyReply.getClass()));
+ public ActorSelection checkedApply(Object serializedReadyReply) {
+ LOG.debug("Tx {} readyTransaction", getIdentifier());
+
+ // At this point the ready operation succeeded and we need to extract the cohort
+ // actor path from the reply.
+ if(ReadyTransactionReply.isSerializedType(serializedReadyReply)) {
+ ReadyTransactionReply readyTxReply = ReadyTransactionReply.fromSerializable(serializedReadyReply);
+ return actorContext.actorSelection(extractCohortPathFrom(readyTxReply));
}
+
+ // Throwing an exception here will fail the Future.
+ throw new IllegalArgumentException(String.format("%s: Invalid reply type %s",
+ getIdentifier(), serializedReadyReply.getClass()));
}
}, TransactionProxy.SAME_FAILURE_TRANSFORMER, actorContext.getClientDispatcher());
}
- protected String deserializeCohortPath(String cohortPath) {
- return cohortPath;
+ protected String extractCohortPathFrom(ReadyTransactionReply readyTxReply) {
+ return readyTxReply.getCohortPath();
+ }
+
+ private BatchedModifications newBatchedModifications() {
+ return new BatchedModifications(getIdentifier().toString(), remoteTransactionVersion, transactionChainId);
}
private void batchModification(Modification modification) {
if(batchedModifications == null) {
- batchedModifications = new BatchedModifications(identifier.toString(), remoteTransactionVersion,
- transactionChainId);
+ batchedModifications = newBatchedModifications();
}
batchedModifications.addModification(modification);
if(batchedModifications.getModifications().size() >=
actorContext.getDatastoreContext().getShardBatchedModificationCount()) {
- sendAndRecordBatchedModifications();
- }
- }
-
- private void sendAndRecordBatchedModifications() {
- Future<Object> sentFuture = sendBatchedModifications();
- if(sentFuture != null) {
- recordedOperationFutures.add(sentFuture);
+ sendBatchedModifications();
}
}
protected Future<Object> sendBatchedModifications(boolean ready) {
Future<Object> sent = null;
- if(batchedModifications != null) {
+ if(ready || (batchedModifications != null && !batchedModifications.getModifications().isEmpty())) {
+ if(batchedModifications == null) {
+ batchedModifications = newBatchedModifications();
+ }
+
if(LOG.isDebugEnabled()) {
- LOG.debug("Tx {} sending {} batched modifications, ready: {}", identifier,
+ LOG.debug("Tx {} sending {} batched modifications, ready: {}", getIdentifier(),
batchedModifications.getModifications().size(), ready);
}
batchedModifications.setReady(ready);
+ batchedModifications.setTotalMessagesSent(++totalBatchedModificationsSent);
sent = executeOperationAsync(batchedModifications);
- batchedModifications = new BatchedModifications(identifier.toString(), remoteTransactionVersion,
- transactionChainId);
+ if(ready) {
+ batchedModifications = null;
+ } else {
+ batchedModifications = newBatchedModifications();
+ }
}
return sent;
@Override
public void deleteData(YangInstanceIdentifier path) {
- LOG.debug("Tx {} deleteData called path = {}", identifier, path);
+ LOG.debug("Tx {} deleteData called path = {}", getIdentifier(), path);
batchModification(new DeleteModification(path));
}
@Override
public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} mergeData called path = {}", identifier, path);
+ LOG.debug("Tx {} mergeData called path = {}", getIdentifier(), path);
batchModification(new MergeModification(path, data));
}
@Override
public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} writeData called path = {}", identifier, path);
+ LOG.debug("Tx {} writeData called path = {}", getIdentifier(), path);
batchModification(new WriteModification(path, data));
}
@Override
- public void readData(
- final YangInstanceIdentifier path,final SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture ) {
-
- LOG.debug("Tx {} readData called path = {}", identifier, path);
-
- // Send the remaining batched modifications if any.
-
- sendAndRecordBatchedModifications();
-
- // If there were any previous recorded put/merge/delete operation reply Futures then we
- // must wait for them to successfully complete. This is necessary to honor the read
- // uncommitted semantics of the public API contract. If any one fails then fail the read.
+ public void readData(final YangInstanceIdentifier path,
+ final SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture ) {
- if(recordedOperationFutures.isEmpty()) {
- finishReadData(path, returnFuture);
- } else {
- LOG.debug("Tx {} readData: verifying {} previous recorded operations",
- identifier, recordedOperationFutures.size());
+ LOG.debug("Tx {} readData called path = {}", getIdentifier(), path);
- // Note: we make a copy of recordedOperationFutures to be on the safe side in case
- // Futures#sequence accesses the passed List on a different thread, as
- // recordedOperationFutures is not synchronized.
+ // Send any batched modifications. This is necessary to honor the read uncommitted semantics of the
+ // public API contract.
- Future<Iterable<Object>> combinedFutures = akka.dispatch.Futures.sequence(
- Lists.newArrayList(recordedOperationFutures),
- actorContext.getClientDispatcher());
-
- OnComplete<Iterable<Object>> onComplete = new OnComplete<Iterable<Object>>() {
- @Override
- public void onComplete(Throwable failure, Iterable<Object> notUsed)
- throws Throwable {
- if(failure != null) {
- LOG.debug("Tx {} readData: a recorded operation failed: {}",
- identifier, failure);
- returnFuture.setException(new ReadFailedException(
- "The read could not be performed because a previous put, merge,"
- + "or delete operation failed", failure));
- } else {
- finishReadData(path, returnFuture);
- }
- }
- };
-
- combinedFutures.onComplete(onComplete, actorContext.getClientDispatcher());
- }
-
- }
-
- private void finishReadData(final YangInstanceIdentifier path,
- final SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture) {
-
- LOG.debug("Tx {} finishReadData called path = {}", identifier, path);
+ sendBatchedModifications();
OnComplete<Object> onComplete = new OnComplete<Object>() {
@Override
public void onComplete(Throwable failure, Object readResponse) throws Throwable {
if(failure != null) {
- LOG.debug("Tx {} read operation failed: {}", identifier, failure);
+ LOG.debug("Tx {} read operation failed: {}", getIdentifier(), failure);
returnFuture.setException(new ReadFailedException(
"Error reading data for path " + path, failure));
} else {
- LOG.debug("Tx {} read operation succeeded", identifier, failure);
+ LOG.debug("Tx {} read operation succeeded", getIdentifier(), failure);
if (readResponse instanceof ReadDataReply) {
ReadDataReply reply = (ReadDataReply) readResponse;
@Override
public void dataExists(final YangInstanceIdentifier path, final SettableFuture<Boolean> returnFuture) {
- LOG.debug("Tx {} dataExists called path = {}", identifier, path);
-
- // Send the remaining batched modifications if any.
-
- sendAndRecordBatchedModifications();
-
- // If there were any previous recorded put/merge/delete operation reply Futures then we
- // must wait for them to successfully complete. This is necessary to honor the read
- // uncommitted semantics of the public API contract. If any one fails then fail this
- // request.
-
- if(recordedOperationFutures.isEmpty()) {
- finishDataExists(path, returnFuture);
- } else {
- LOG.debug("Tx {} dataExists: verifying {} previous recorded operations",
- identifier, recordedOperationFutures.size());
-
- // Note: we make a copy of recordedOperationFutures to be on the safe side in case
- // Futures#sequence accesses the passed List on a different thread, as
- // recordedOperationFutures is not synchronized.
-
- Future<Iterable<Object>> combinedFutures = akka.dispatch.Futures.sequence(
- Lists.newArrayList(recordedOperationFutures),
- actorContext.getClientDispatcher());
- OnComplete<Iterable<Object>> onComplete = new OnComplete<Iterable<Object>>() {
- @Override
- public void onComplete(Throwable failure, Iterable<Object> notUsed)
- throws Throwable {
- if(failure != null) {
- LOG.debug("Tx {} dataExists: a recorded operation failed: {}",
- identifier, failure);
- returnFuture.setException(new ReadFailedException(
- "The data exists could not be performed because a previous "
- + "put, merge, or delete operation failed", failure));
- } else {
- finishDataExists(path, returnFuture);
- }
- }
- };
-
- combinedFutures.onComplete(onComplete, actorContext.getClientDispatcher());
- }
- }
+ LOG.debug("Tx {} dataExists called path = {}", getIdentifier(), path);
- private void finishDataExists(final YangInstanceIdentifier path,
- final SettableFuture<Boolean> returnFuture) {
+ // Send any batched modifications. This is necessary to honor the read uncommitted semantics of the
+ // public API contract.
- LOG.debug("Tx {} finishDataExists called path = {}", identifier, path);
+ sendBatchedModifications();
OnComplete<Object> onComplete = new OnComplete<Object>() {
@Override
public void onComplete(Throwable failure, Object response) throws Throwable {
if(failure != null) {
- LOG.debug("Tx {} dataExists operation failed: {}", identifier, failure);
+ LOG.debug("Tx {} dataExists operation failed: {}", getIdentifier(), failure);
returnFuture.setException(new ReadFailedException(
"Error checking data exists for path " + path, failure));
} else {
- LOG.debug("Tx {} dataExists operation succeeded", identifier, failure);
+ LOG.debug("Tx {} dataExists operation succeeded", getIdentifier(), failure);
if (response instanceof DataExistsReply) {
returnFuture.set(Boolean.valueOf(((DataExistsReply) response).exists()));
Code Review / controller.git / blobdiff