package org.opendaylight.controller.cluster.datastore;
-import akka.actor.ActorPath;
import akka.actor.ActorSelection;
import akka.dispatch.OnComplete;
import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.FinalizablePhantomReference;
+import com.google.common.base.FinalizableReferenceQueue;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.SettableFuture;
+import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
/**
* </p>
*/
public class TransactionProxy implements DOMStoreReadWriteTransaction {
+
+ private final TransactionChainProxy transactionChainProxy;
+
+
+
public enum TransactionType {
READ_ONLY,
WRITE_ONLY,
LOG = LoggerFactory.getLogger(TransactionProxy.class);
+ /**
+ * Used to enqueue the PhantomReferences for read-only TransactionProxy instances. The
+ * FinalizableReferenceQueue is safe to use statically in an OSGi environment as it uses some
+ * trickery to clean up its internal thread when the bundle is unloaded.
+ */
+ private static final FinalizableReferenceQueue phantomReferenceQueue =
+ new FinalizableReferenceQueue();
+
+ /**
+ * This stores the TransactionProxyCleanupPhantomReference instances statically, This is
+ * necessary because PhantomReferences need a hard reference so they're not garbage collected.
+ * Once finalized, the TransactionProxyCleanupPhantomReference removes itself from this map
+ * and thus becomes eligible for garbage collection.
+ */
+ private static final Map<TransactionProxyCleanupPhantomReference,
+ TransactionProxyCleanupPhantomReference> phantomReferenceCache =
+ new ConcurrentHashMap<>();
+
+ /**
+ * A PhantomReference that closes remote transactions for a TransactionProxy when it's
+ * garbage collected. This is used for read-only transactions as they're not explicitly closed
+ * by clients. So the only way to detect that a transaction is no longer in use and it's safe
+ * to clean up is when it's garbage collected. It's inexact as to when an instance will be GC'ed
+ * but TransactionProxy instances should generally be short-lived enough to avoid being moved
+ * to the old generation space and thus should be cleaned up in a timely manner as the GC
+ * runs on the young generation (eden, swap1...) space much more frequently.
+ */
+ private static class TransactionProxyCleanupPhantomReference
+ extends FinalizablePhantomReference<TransactionProxy> {
+
+ private final List<ActorSelection> remoteTransactionActors;
+ private final AtomicBoolean remoteTransactionActorsMB;
+ private final ActorContext actorContext;
+ private final TransactionIdentifier identifier;
+
+ protected TransactionProxyCleanupPhantomReference(TransactionProxy referent) {
+ super(referent, phantomReferenceQueue);
+
+ // Note we need to cache the relevant fields from the TransactionProxy as we can't
+ // have a hard reference to the TransactionProxy instance itself.
+
+ remoteTransactionActors = referent.remoteTransactionActors;
+ remoteTransactionActorsMB = referent.remoteTransactionActorsMB;
+ actorContext = referent.actorContext;
+ identifier = referent.identifier;
+ }
+
+ @Override
+ public void finalizeReferent() {
+ LOG.trace("Cleaning up {} Tx actors for TransactionProxy {}",
+ remoteTransactionActors.size(), identifier);
+
+ phantomReferenceCache.remove(this);
+
+ // Access the memory barrier volatile to ensure all previous updates to the
+ // remoteTransactionActors list are visible to this thread.
+
+ if(remoteTransactionActorsMB.get()) {
+ for(ActorSelection actor : remoteTransactionActors) {
+ LOG.trace("Sending CloseTransaction to {}", actor);
+ actorContext.sendOperationAsync(actor,
+ new CloseTransaction().toSerializable());
+ }
+ }
+ }
+ }
+
+ /**
+ * Stores the remote Tx actors for each requested data store path to be used by the
+ * PhantomReference to close the remote Tx's. This is only used for read-only Tx's. The
+ * remoteTransactionActorsMB volatile serves as a memory barrier to publish updates to the
+ * remoteTransactionActors list so they will be visible to the thread accessing the
+ * PhantomReference.
+ */
+ private List<ActorSelection> remoteTransactionActors;
+ private AtomicBoolean remoteTransactionActorsMB;
+
+ private final Map<String, TransactionContext> remoteTransactionPaths = new HashMap<>();
+
private final TransactionType transactionType;
private final ActorContext actorContext;
- private final Map<String, TransactionContext> remoteTransactionPaths = new HashMap<>();
private final TransactionIdentifier identifier;
private final SchemaContext schemaContext;
private boolean inReadyState;
- public TransactionProxy(ActorContext actorContext, TransactionType transactionType,
- SchemaContext schemaContext) {
- this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
- this.transactionType = Preconditions.checkNotNull(transactionType, "transactionType should not be null");
- this.schemaContext = Preconditions.checkNotNull(schemaContext, "schemaContext should not be null");
+ public TransactionProxy(ActorContext actorContext, TransactionType transactionType) {
+ this(actorContext, transactionType, null);
+ }
+
+ @VisibleForTesting
+ List<Future<Object>> getRecordedOperationFutures() {
+ List<Future<Object>> recordedOperationFutures = Lists.newArrayList();
+ for(TransactionContext transactionContext : remoteTransactionPaths.values()) {
+ recordedOperationFutures.addAll(transactionContext.getRecordedOperationFutures());
+ }
+
+ return recordedOperationFutures;
+ }
+
+ public TransactionProxy(ActorContext actorContext, TransactionType transactionType, TransactionChainProxy transactionChainProxy) {
+ this.actorContext = Preconditions.checkNotNull(actorContext,
+ "actorContext should not be null");
+ this.transactionType = Preconditions.checkNotNull(transactionType,
+ "transactionType should not be null");
+ this.schemaContext = Preconditions.checkNotNull(actorContext.getSchemaContext(),
+ "schemaContext should not be null");
+ this.transactionChainProxy = transactionChainProxy;
String memberName = actorContext.getCurrentMemberName();
if(memberName == null){
}
this.identifier = TransactionIdentifier.builder().memberName(memberName).counter(
- counter.getAndIncrement()).build();
+ counter.getAndIncrement()).build();
- LOG.debug("Created txn {}", identifier);
+ if(transactionType == TransactionType.READ_ONLY) {
+ // Read-only Tx's aren't explicitly closed by the client so we create a PhantomReference
+ // to close the remote Tx's when this instance is no longer in use and is garbage
+ // collected.
- }
+ remoteTransactionActors = Lists.newArrayList();
+ remoteTransactionActorsMB = new AtomicBoolean();
- @VisibleForTesting
- List<Future<Object>> getRecordedOperationFutures() {
- List<Future<Object>> recordedOperationFutures = Lists.newArrayList();
- for(TransactionContext transactionContext : remoteTransactionPaths.values()) {
- recordedOperationFutures.addAll(transactionContext.getRecordedOperationFutures());
+ TransactionProxyCleanupPhantomReference cleanup =
+ new TransactionProxyCleanupPhantomReference(this);
+ phantomReferenceCache.put(cleanup, cleanup);
+ }
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Created txn {} of type {}", identifier, transactionType);
}
-
- return recordedOperationFutures;
}
@Override
Preconditions.checkState(transactionType != TransactionType.WRITE_ONLY,
"Read operation on write-only transaction is not allowed");
- LOG.debug("Tx {} read {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} read {}", identifier, path);
+ }
createTransactionIfMissing(actorContext, path);
return transactionContext(path).readData(path);
Preconditions.checkState(transactionType != TransactionType.WRITE_ONLY,
"Exists operation on write-only transaction is not allowed");
- LOG.debug("Tx {} exists {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} exists {}", identifier, path);
+ }
createTransactionIfMissing(actorContext, path);
return transactionContext(path).dataExists(path);
Preconditions.checkState(transactionType != TransactionType.READ_ONLY,
"Modification operation on read-only transaction is not allowed");
Preconditions.checkState(!inReadyState,
- "Transaction is sealed - further modifications are allowed");
+ "Transaction is sealed - further modifications are not allowed");
}
@Override
checkModificationState();
- LOG.debug("Tx {} write {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} write {}", identifier, path);
+ }
createTransactionIfMissing(actorContext, path);
transactionContext(path).writeData(path, data);
checkModificationState();
- LOG.debug("Tx {} merge {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} merge {}", identifier, path);
+ }
createTransactionIfMissing(actorContext, path);
transactionContext(path).mergeData(path, data);
public void delete(YangInstanceIdentifier path) {
checkModificationState();
-
- LOG.debug("Tx {} delete {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} delete {}", identifier, path);
+ }
createTransactionIfMissing(actorContext, path);
transactionContext(path).deleteData(path);
inReadyState = true;
- LOG.debug("Tx {} Trying to get {} transactions ready for commit", identifier,
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} Trying to get {} transactions ready for commit", identifier,
remoteTransactionPaths.size());
-
- List<Future<ActorPath>> cohortPathFutures = Lists.newArrayList();
+ }
+ List<Future<ActorSelection>> cohortFutures = Lists.newArrayList();
for(TransactionContext transactionContext : remoteTransactionPaths.values()) {
- LOG.debug("Tx {} Readying transaction for shard {}", identifier,
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} Readying transaction for shard {}", identifier,
transactionContext.getShardName());
+ }
+ cohortFutures.add(transactionContext.readyTransaction());
+ }
- cohortPathFutures.add(transactionContext.readyTransaction());
+ if(transactionChainProxy != null){
+ transactionChainProxy.onTransactionReady(cohortFutures);
}
- return new ThreePhaseCommitCohortProxy(actorContext, cohortPathFutures,
+ return new ThreePhaseCommitCohortProxy(actorContext, cohortFutures,
identifier.toString());
}
for(TransactionContext transactionContext : remoteTransactionPaths.values()) {
transactionContext.closeTransaction();
}
+
+ remoteTransactionPaths.clear();
+
+ if(transactionType == TransactionType.READ_ONLY) {
+ remoteTransactionActors.clear();
+ remoteTransactionActorsMB.set(true);
+ }
}
private TransactionContext transactionContext(YangInstanceIdentifier path){
return ShardStrategyFactory.getStrategy(path).findShard(path);
}
- private void createTransactionIfMissing(ActorContext actorContext, YangInstanceIdentifier path) {
+ private void createTransactionIfMissing(ActorContext actorContext,
+ YangInstanceIdentifier path) {
+
+ if(transactionChainProxy != null){
+ transactionChainProxy.waitTillCurrentTransactionReady();
+ }
+
String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
TransactionContext transactionContext =
remoteTransactionPaths.get(shardName);
- if(transactionContext != null){
+ if (transactionContext != null) {
// A transaction already exists with that shard
return;
}
try {
- Object response = actorContext.executeShardOperation(shardName,
- new CreateTransaction(identifier.toString(),this.transactionType.ordinal() ).toSerializable(),
- ActorContext.ASK_DURATION);
+ Optional<ActorSelection> primaryShard = actorContext.findPrimaryShard(shardName);
+ if (!primaryShard.isPresent()) {
+ throw new PrimaryNotFoundException("Primary could not be found for shard " + shardName);
+ }
+
+ Object response = actorContext.executeOperation(primaryShard.get(),
+ new CreateTransaction(identifier.toString(), this.transactionType.ordinal(),
+ getTransactionChainId()).toSerializable());
if (response.getClass().equals(CreateTransactionReply.SERIALIZABLE_CLASS)) {
CreateTransactionReply reply =
CreateTransactionReply.fromSerializable(response);
String transactionPath = reply.getTransactionPath();
- LOG.debug("Tx {} Received transaction path = {}", identifier, transactionPath);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} Received transaction path = {}", identifier, transactionPath);
+ }
+ ActorSelection transactionActor = actorContext.actorSelection(transactionPath);
+
+ if (transactionType == TransactionType.READ_ONLY) {
+ // Add the actor to the remoteTransactionActors list for access by the
+ // cleanup PhantonReference.
+ remoteTransactionActors.add(transactionActor);
+
+ // Write to the memory barrier volatile to publish the above update to the
+ // remoteTransactionActors list for thread visibility.
+ remoteTransactionActorsMB.set(true);
+ }
+
+ // TxActor is always created where the leader of the shard is.
+ // Check if TxActor is created in the same node
+ boolean isTxActorLocal = actorContext.isLocalPath(transactionPath);
- ActorSelection transactionActor =
- actorContext.actorSelection(transactionPath);
- transactionContext =
- new TransactionContextImpl(shardName, transactionPath,
- transactionActor);
+ transactionContext = new TransactionContextImpl(shardName, transactionPath,
+ transactionActor, identifier, actorContext, schemaContext, isTxActorLocal);
remoteTransactionPaths.put(shardName, transactionContext);
} else {
throw new IllegalArgumentException(String.format(
- "Invalid reply type {} for CreateTransaction", response.getClass()));
+ "Invalid reply type {} for CreateTransaction", response.getClass()));
}
- } catch(Exception e){
- LOG.debug("Tx {} Creating NoOpTransaction because of : {}", identifier, e.getMessage());
- remoteTransactionPaths.put(shardName, new NoOpTransactionContext(shardName, e));
+ } catch (Exception e) {
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} Creating NoOpTransaction because of : {}", identifier, e.getMessage());
+ }
+ remoteTransactionPaths
+ .put(shardName, new NoOpTransactionContext(shardName, e, identifier));
+ }
+ }
+
+ public String getTransactionChainId() {
+ if(transactionChainProxy == null){
+ return "";
}
+ return transactionChainProxy.getTransactionChainId();
}
+
private interface TransactionContext {
String getShardName();
void closeTransaction();
- Future<ActorPath> readyTransaction();
+ Future<ActorSelection> readyTransaction();
void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data);
List<Future<Object>> getRecordedOperationFutures();
}
- private abstract class AbstractTransactionContext implements TransactionContext {
+ private static abstract class AbstractTransactionContext implements TransactionContext {
+ protected final TransactionIdentifier identifier;
protected final String shardName;
protected final List<Future<Object>> recordedOperationFutures = Lists.newArrayList();
- AbstractTransactionContext(String shardName) {
+ AbstractTransactionContext(String shardName, TransactionIdentifier identifier) {
this.shardName = shardName;
+ this.identifier = identifier;
}
@Override
}
}
- private class TransactionContextImpl extends AbstractTransactionContext {
+ private static class TransactionContextImpl extends AbstractTransactionContext {
private final Logger LOG = LoggerFactory.getLogger(TransactionContextImpl.class);
+ private final ActorContext actorContext;
+ private final SchemaContext schemaContext;
private final String actorPath;
private final ActorSelection actor;
+ private final boolean isTxActorLocal;
private TransactionContextImpl(String shardName, String actorPath,
- ActorSelection actor) {
- super(shardName);
+ ActorSelection actor, TransactionIdentifier identifier, ActorContext actorContext,
+ SchemaContext schemaContext, boolean isTxActorLocal) {
+ super(shardName, identifier);
this.actorPath = actorPath;
this.actor = actor;
+ this.actorContext = actorContext;
+ this.schemaContext = schemaContext;
+ this.isTxActorLocal = isTxActorLocal;
}
private ActorSelection getActor() {
return actor;
}
- private String getResolvedCohortPath(String cohortPath) {
- return actorContext.resolvePath(actorPath, cohortPath);
- }
-
@Override
public void closeTransaction() {
- LOG.debug("Tx {} closeTransaction called", identifier);
- actorContext.sendRemoteOperationAsync(getActor(), new CloseTransaction().toSerializable());
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} closeTransaction called", identifier);
+ }
+ actorContext.sendOperationAsync(getActor(), new CloseTransaction().toSerializable());
}
@Override
- public Future<ActorPath> readyTransaction() {
- LOG.debug("Tx {} readyTransaction called with {} previous recorded operations pending",
+ public Future<ActorSelection> readyTransaction() {
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} readyTransaction called with {} previous recorded operations pending",
identifier, recordedOperationFutures.size());
-
+ }
// Send the ReadyTransaction message to the Tx actor.
- final Future<Object> replyFuture = actorContext.executeRemoteOperationAsync(getActor(),
- new ReadyTransaction().toSerializable(), ActorContext.ASK_DURATION);
+ ReadyTransaction readyTransaction = new ReadyTransaction();
+ final Future<Object> replyFuture = actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? readyTransaction : readyTransaction.toSerializable());
// 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
// 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.
- return combinedFutures.transform(new AbstractFunction1<Iterable<Object>, ActorPath>() {
+ return combinedFutures.transform(new AbstractFunction1<Iterable<Object>, ActorSelection>() {
@Override
- public ActorPath apply(Iterable<Object> notUsed) {
-
- LOG.debug("Tx {} readyTransaction: pending recorded operations succeeded",
+ public ActorSelection apply(Iterable<Object> notUsed) {
+ if(LOG.isDebugEnabled()) {
+ 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
// Note the Future get call here won't block as it's complete.
Object serializedReadyReply = replyFuture.value().get().get();
- if(serializedReadyReply.getClass().equals(
- ReadyTransactionReply.SERIALIZABLE_CLASS)) {
- ReadyTransactionReply reply = ReadyTransactionReply.fromSerializable(
- actorContext.getActorSystem(), serializedReadyReply);
-
- String resolvedCohortPath = getResolvedCohortPath(
- reply.getCohortPath().toString());
+ if (serializedReadyReply instanceof ReadyTransactionReply) {
+ return actorContext.actorSelection(((ReadyTransactionReply)serializedReadyReply).getCohortPath());
- LOG.debug("Tx {} readyTransaction: resolved cohort path {}",
- identifier, resolvedCohortPath);
+ } else if(serializedReadyReply.getClass().equals(ReadyTransactionReply.SERIALIZABLE_CLASS)) {
+ ReadyTransactionReply reply = ReadyTransactionReply.fromSerializable(serializedReadyReply);
+ return actorContext.actorSelection(reply.getCohortPath());
- return actorContext.actorFor(resolvedCohortPath);
} else {
// Throwing an exception here will fail the Future.
-
throw new IllegalArgumentException(String.format("Invalid reply type {}",
serializedReadyReply.getClass()));
}
@Override
public void deleteData(YangInstanceIdentifier path) {
- LOG.debug("Tx {} deleteData called path = {}", identifier, path);
- recordedOperationFutures.add(actorContext.executeRemoteOperationAsync(getActor(),
- new DeleteData(path).toSerializable(), ActorContext.ASK_DURATION ));
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} deleteData called path = {}", identifier, path);
+ }
+
+ DeleteData deleteData = new DeleteData(path);
+ recordedOperationFutures.add(actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? deleteData : deleteData.toSerializable()));
}
@Override
public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} mergeData called path = {}", identifier, path);
- recordedOperationFutures.add(actorContext.executeRemoteOperationAsync(getActor(),
- new MergeData(path, data, schemaContext).toSerializable(),
- ActorContext.ASK_DURATION));
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} mergeData called path = {}", identifier, path);
+ }
+
+ MergeData mergeData = new MergeData(path, data, schemaContext);
+ recordedOperationFutures.add(actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? mergeData : mergeData.toSerializable()));
}
@Override
public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} writeData called path = {}", identifier, path);
- recordedOperationFutures.add(actorContext.executeRemoteOperationAsync(getActor(),
- new WriteData(path, data, schemaContext).toSerializable(),
- ActorContext.ASK_DURATION));
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} writeData called path = {}", identifier, path);
+ }
+
+ WriteData writeData = new WriteData(path, data, schemaContext);
+ recordedOperationFutures.add(actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? writeData : writeData.toSerializable()));
}
@Override
public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readData(
final YangInstanceIdentifier path) {
- LOG.debug("Tx {} readData called path = {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} readData called path = {}", identifier, path);
+ }
final SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture = SettableFuture.create();
// If there were any previous recorded put/merge/delete operation reply Futures then we
if(recordedOperationFutures.isEmpty()) {
finishReadData(path, returnFuture);
} else {
- LOG.debug("Tx {} readData: verifying {} previous recorded operations",
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} readData: 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.getActorSystem().dispatcher());
+
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: {}",
+ if(LOG.isDebugEnabled()) {
+ 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));
private void finishReadData(final YangInstanceIdentifier path,
final SettableFuture<Optional<NormalizedNode<?, ?>>> returnFuture) {
- LOG.debug("Tx {} finishReadData called path = {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} finishReadData called path = {}", identifier, path);
+ }
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);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} read operation failed: {}", identifier, failure);
+ }
returnFuture.setException(new ReadFailedException(
"Error reading data for path " + path, failure));
+
} else {
- LOG.debug("Tx {} read operation succeeded", identifier, failure);
-
- if (readResponse.getClass().equals(ReadDataReply.SERIALIZABLE_CLASS)) {
- ReadDataReply reply = ReadDataReply.fromSerializable(schemaContext,
- path, readResponse);
- if (reply.getNormalizedNode() == null) {
- returnFuture.set(Optional.<NormalizedNode<?, ?>>absent());
- } else {
- returnFuture.set(Optional.<NormalizedNode<?, ?>>of(
- reply.getNormalizedNode()));
- }
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} read operation succeeded", identifier, failure);
+ }
+
+ if (readResponse instanceof ReadDataReply) {
+ ReadDataReply reply = (ReadDataReply) readResponse;
+ returnFuture.set(Optional.<NormalizedNode<?, ?>>fromNullable(reply.getNormalizedNode()));
+
+ } else if (readResponse.getClass().equals(ReadDataReply.SERIALIZABLE_CLASS)) {
+ ReadDataReply reply = ReadDataReply.fromSerializable(schemaContext, path, readResponse);
+ returnFuture.set(Optional.<NormalizedNode<?, ?>>fromNullable(reply.getNormalizedNode()));
+
} else {
returnFuture.setException(new ReadFailedException(
- "Invalid response reading data for path " + path));
+ "Invalid response reading data for path " + path));
}
}
}
};
- Future<Object> readFuture = actorContext.executeRemoteOperationAsync(getActor(),
- new ReadData(path).toSerializable(), ActorContext.ASK_DURATION);
+ ReadData readData = new ReadData(path);
+ Future<Object> readFuture = actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? readData : readData.toSerializable());
+
readFuture.onComplete(onComplete, actorContext.getActorSystem().dispatcher());
}
public CheckedFuture<Boolean, ReadFailedException> dataExists(
final YangInstanceIdentifier path) {
- LOG.debug("Tx {} dataExists called path = {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} dataExists called path = {}", identifier, path);
+ }
final SettableFuture<Boolean> returnFuture = SettableFuture.create();
// If there were any previous recorded put/merge/delete operation reply Futures then we
if(recordedOperationFutures.isEmpty()) {
finishDataExists(path, returnFuture);
} else {
- LOG.debug("Tx {} dataExists: verifying {} previous recorded operations",
+ if(LOG.isDebugEnabled()) {
+ 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.
public void onComplete(Throwable failure, Iterable<Object> notUsed)
throws Throwable {
if(failure != null) {
- LOG.debug("Tx {} dataExists: a recorded operation failed: {}",
+ if(LOG.isDebugEnabled()) {
+ 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));
private void finishDataExists(final YangInstanceIdentifier path,
final SettableFuture<Boolean> returnFuture) {
- LOG.debug("Tx {} finishDataExists called path = {}", identifier, path);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} finishDataExists called path = {}", identifier, path);
+ }
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);
-
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} dataExists operation failed: {}", identifier, failure);
+ }
returnFuture.setException(new ReadFailedException(
"Error checking data exists for path " + path, failure));
} else {
- LOG.debug("Tx {} dataExists operation succeeded", identifier, failure);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} dataExists operation succeeded", identifier, failure);
+ }
+
+ if (response instanceof DataExistsReply) {
+ returnFuture.set(Boolean.valueOf(((DataExistsReply) response).exists()));
+
+ } else if (response.getClass().equals(DataExistsReply.SERIALIZABLE_CLASS)) {
+ returnFuture.set(Boolean.valueOf(DataExistsReply.fromSerializable(response).exists()));
- if (response.getClass().equals(DataExistsReply.SERIALIZABLE_CLASS)) {
- returnFuture.set(Boolean.valueOf(DataExistsReply.
- fromSerializable(response).exists()));
} else {
returnFuture.setException(new ReadFailedException(
"Invalid response checking exists for path " + path));
}
};
- Future<Object> future = actorContext.executeRemoteOperationAsync(getActor(),
- new DataExists(path).toSerializable(), ActorContext.ASK_DURATION);
+ DataExists dataExists = new DataExists(path);
+ Future<Object> future = actorContext.executeOperationAsync(getActor(),
+ isTxActorLocal ? dataExists : dataExists.toSerializable());
+
future.onComplete(onComplete, actorContext.getActorSystem().dispatcher());
}
}
- private class NoOpTransactionContext extends AbstractTransactionContext {
+ private static class NoOpTransactionContext extends AbstractTransactionContext {
private final Logger LOG = LoggerFactory.getLogger(NoOpTransactionContext.class);
private final Exception failure;
- public NoOpTransactionContext(String shardName, Exception failure){
- super(shardName);
+ public NoOpTransactionContext(String shardName, Exception failure,
+ TransactionIdentifier identifier){
+ super(shardName, identifier);
this.failure = failure;
}
@Override
public void closeTransaction() {
- LOG.debug("NoOpTransactionContext {} closeTransaction called", identifier);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("NoOpTransactionContext {} closeTransaction called", identifier);
+ }
}
@Override
- public Future<ActorPath> readyTransaction() {
- LOG.debug("Tx {} readyTransaction called", identifier);
+ public Future<ActorSelection> readyTransaction() {
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} readyTransaction called", identifier);
+ }
return akka.dispatch.Futures.failed(failure);
}
@Override
public void deleteData(YangInstanceIdentifier path) {
- LOG.debug("Tx {} deleteData called path = {}", identifier, path);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} deleteData called path = {}", identifier, path);
+ }
}
@Override
public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} mergeData called path = {}", identifier, path);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} mergeData called path = {}", identifier, path);
+ }
}
@Override
public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- LOG.debug("Tx {} writeData called path = {}", identifier, path);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} writeData called path = {}", identifier, path);
+ }
}
@Override
public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readData(
YangInstanceIdentifier path) {
- LOG.debug("Tx {} readData called path = {}", identifier, path);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} readData called path = {}", identifier, path);
+ }
return Futures.immediateFailedCheckedFuture(new ReadFailedException(
"Error reading data for path " + path, failure));
}
@Override
public CheckedFuture<Boolean, ReadFailedException> dataExists(
YangInstanceIdentifier path) {
- LOG.debug("Tx {} dataExists called path = {}", identifier, path);
+ if(LOG.isDebugEnabled()) {
+ LOG.debug("Tx {} dataExists called path = {}", identifier, path);
+ }
return Futures.immediateFailedCheckedFuture(new ReadFailedException(
"Error checking exists for path " + path, failure));
}
Code Review / controller.git / blobdiff