import akka.actor.ActorRef;
import akka.actor.ActorSelection;
+import akka.actor.Cancellable;
import akka.actor.PoisonPill;
import akka.actor.Props;
import akka.event.Logging;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
-import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.protobuf.InvalidProtocolBufferException;
import org.opendaylight.controller.cluster.common.actor.CommonConfig;
import org.opendaylight.controller.cluster.common.actor.MeteringBehavior;
+import org.opendaylight.controller.cluster.datastore.ShardCommitCoordinator.CohortEntry;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
import org.opendaylight.controller.cluster.datastore.identifiers.ShardTransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardMBeanFactory;
import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
import org.opendaylight.controller.cluster.datastore.messages.ActorInitialized;
+import org.opendaylight.controller.cluster.datastore.messages.AbortTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.AbortTransactionReply;
+import org.opendaylight.controller.cluster.datastore.messages.CanCommitTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChain;
+import org.opendaylight.controller.cluster.datastore.messages.CommitTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
-import org.opendaylight.controller.cluster.datastore.messages.ForwardedCommitTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolved;
import org.opendaylight.controller.cluster.datastore.messages.ReadData;
import org.opendaylight.controller.cluster.datastore.messages.ReadDataReply;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.CompositeModificationPayload;
import org.opendaylight.controller.cluster.raft.protobuff.client.messages.Payload;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreFactory;
import org.opendaylight.controller.protobuff.messages.common.NormalizedNodeMessages;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionFactory;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import javax.annotation.Nonnull;
/**
* A Shard represents a portion of the logical data tree <br/>
*/
public class Shard extends RaftActor {
+ private static final Object COMMIT_TRANSACTION_REPLY = new CommitTransactionReply().toSerializable();
+
+ private static final Object TX_COMMIT_TIMEOUT_CHECK_MESSAGE = "txCommitTimeoutCheck";
+
public static final String DEFAULT_NAME = "default";
// The state of this Shard
private final InMemoryDOMDataStore store;
- private final Map<Object, DOMStoreThreePhaseCommitCohort>
- modificationToCohort = new HashMap<>();
-
private final LoggingAdapter LOG =
Logging.getLogger(getContext().system(), this);
private ActorRef createSnapshotTransaction;
+ private int createSnapshotTransactionCounter;
+
+ private final ShardCommitCoordinator commitCoordinator;
+
+ private final long transactionCommitTimeout;
+
+ private Cancellable txCommitTimeoutCheckSchedule;
+
/**
* Coordinates persistence recovery on startup.
*/
if (isMetricsCaptureEnabled()) {
getContext().become(new MeteringBehavior(this));
}
+
+ commitCoordinator = new ShardCommitCoordinator(TimeUnit.SECONDS.convert(1, TimeUnit.MINUTES),
+ datastoreContext.getShardTransactionCommitQueueCapacity());
+
+ transactionCommitTimeout = TimeUnit.MILLISECONDS.convert(
+ datastoreContext.getShardTransactionCommitTimeoutInSeconds(), TimeUnit.SECONDS);
}
private static Map<String, String> mapPeerAddresses(
return Props.create(new ShardCreator(name, peerAddresses, datastoreContext, schemaContext));
}
- @Override public void onReceiveRecover(Object message) {
+ @Override
+ public void postStop() {
+ super.postStop();
+
+ if(txCommitTimeoutCheckSchedule != null) {
+ txCommitTimeoutCheckSchedule.cancel();
+ }
+ }
+
+ @Override
+ public void onReceiveRecover(Object message) {
if(LOG.isDebugEnabled()) {
LOG.debug("onReceiveRecover: Received message {} from {}",
message.getClass().toString(),
}
}
- @Override public void onReceiveCommand(Object message) {
+ @Override
+ public void onReceiveCommand(Object message) {
if(LOG.isDebugEnabled()) {
- LOG.debug("onReceiveCommand: Received message {} from {}",
- message.getClass().toString(),
- getSender());
+ LOG.debug("onReceiveCommand: Received message {} from {}", message, getSender());
}
if(message.getClass().equals(ReadDataReply.SERIALIZABLE_CLASS)) {
- // This must be for install snapshot. Don't want to open this up and trigger
- // deSerialization
- self()
- .tell(new CaptureSnapshotReply(ReadDataReply.getNormalizedNodeByteString(message)),
- self());
-
- createSnapshotTransaction = null;
- // Send a PoisonPill instead of sending close transaction because we do not really need
- // a response
- getSender().tell(PoisonPill.getInstance(), self());
-
+ handleReadDataReply(message);
+ } else if (message.getClass().equals(CreateTransaction.SERIALIZABLE_CLASS)) {
+ handleCreateTransaction(message);
+ } else if(message instanceof ForwardedReadyTransaction) {
+ handleForwardedReadyTransaction((ForwardedReadyTransaction)message);
+ } else if(message.getClass().equals(CanCommitTransaction.SERIALIZABLE_CLASS)) {
+ handleCanCommitTransaction(CanCommitTransaction.fromSerializable(message));
+ } else if(message.getClass().equals(CommitTransaction.SERIALIZABLE_CLASS)) {
+ handleCommitTransaction(CommitTransaction.fromSerializable(message));
+ } else if(message.getClass().equals(AbortTransaction.SERIALIZABLE_CLASS)) {
+ handleAbortTransaction(AbortTransaction.fromSerializable(message));
} else if (message.getClass().equals(CloseTransactionChain.SERIALIZABLE_CLASS)){
closeTransactionChain(CloseTransactionChain.fromSerializable(message));
} else if (message instanceof RegisterChangeListener) {
registerChangeListener((RegisterChangeListener) message);
} else if (message instanceof UpdateSchemaContext) {
updateSchemaContext((UpdateSchemaContext) message);
- } else if (message instanceof ForwardedCommitTransaction) {
- handleForwardedCommit((ForwardedCommitTransaction) message);
- } else if (message.getClass()
- .equals(CreateTransaction.SERIALIZABLE_CLASS)) {
- if (isLeader()) {
- createTransaction(CreateTransaction.fromSerializable(message));
- } else if (getLeader() != null) {
- getLeader().forward(message, getContext());
- } else {
- getSender().tell(new akka.actor.Status.Failure(new IllegalStateException(
- "Could not find shard leader so transaction cannot be created. This typically happens" +
- " when system is coming up or recovering and a leader is being elected. Try again" +
- " later.")), getSelf());
- }
} else if (message instanceof PeerAddressResolved) {
PeerAddressResolved resolved = (PeerAddressResolved) message;
setPeerAddress(resolved.getPeerId().toString(),
resolved.getPeerAddress());
+ } else if(message.equals(TX_COMMIT_TIMEOUT_CHECK_MESSAGE)) {
+ handleTransactionCommitTimeoutCheck();
} else {
super.onReceiveCommand(message);
}
}
+ private void handleTransactionCommitTimeoutCheck() {
+ CohortEntry cohortEntry = commitCoordinator.getCurrentCohortEntry();
+ if(cohortEntry != null) {
+ long elapsed = System.currentTimeMillis() - cohortEntry.getLastAccessTime();
+ if(elapsed > transactionCommitTimeout) {
+ LOG.warning("Current transaction {} has timed out after {} ms - aborting",
+ cohortEntry.getTransactionID(), transactionCommitTimeout);
+
+ doAbortTransaction(cohortEntry.getTransactionID(), null);
+ }
+ }
+ }
+
+ private void handleCommitTransaction(CommitTransaction commit) {
+ final String transactionID = commit.getTransactionID();
+
+ LOG.debug("Committing transaction {}", transactionID);
+
+ // Get the current in-progress cohort entry in the commitCoordinator if it corresponds to
+ // this transaction.
+ final CohortEntry cohortEntry = commitCoordinator.getCohortEntryIfCurrent(transactionID);
+ if(cohortEntry == null) {
+ // We're not the current Tx - the Tx was likely expired b/c it took too long in
+ // between the canCommit and commit messages.
+ IllegalStateException ex = new IllegalStateException(
+ String.format("Cannot commit transaction %s - it is not the current transaction",
+ transactionID));
+ LOG.error(ex.getMessage());
+ shardMBean.incrementFailedTransactionsCount();
+ getSender().tell(new akka.actor.Status.Failure(ex), getSelf());
+ return;
+ }
+
+ // We perform the preCommit phase here atomically with the commit phase. This is an
+ // optimization to eliminate the overhead of an extra preCommit message. We lose front-end
+ // coordination of preCommit across shards in case of failure but preCommit should not
+ // normally fail since we ensure only one concurrent 3-phase commit.
+
+ try {
+ // We block on the future here so we don't have to worry about possibly accessing our
+ // state on a different thread outside of our dispatcher. Also, the data store
+ // currently uses a same thread executor anyway.
+ cohortEntry.getCohort().preCommit().get();
+
+ if(persistent) {
+ Shard.this.persistData(getSender(), transactionID,
+ new CompositeModificationPayload(cohortEntry.getModification().toSerializable()));
+ } else {
+ Shard.this.finishCommit(getSender(), transactionID);
+ }
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error(e, "An exception occurred while preCommitting transaction {}",
+ cohortEntry.getTransactionID());
+ shardMBean.incrementFailedTransactionsCount();
+ getSender().tell(new akka.actor.Status.Failure(e), getSelf());
+ }
+
+ cohortEntry.updateLastAccessTime();
+ }
+
+ private void finishCommit(@Nonnull final ActorRef sender, final @Nonnull String transactionID) {
+ // With persistence enabled, this method is called via applyState by the leader strategy
+ // after the commit has been replicated to a majority of the followers.
+
+ CohortEntry cohortEntry = commitCoordinator.getCohortEntryIfCurrent(transactionID);
+ if(cohortEntry == null) {
+ // The transaction is no longer the current commit. This can happen if the transaction
+ // was aborted prior, most likely due to timeout in the front-end. We need to finish
+ // committing the transaction though since it was successfully persisted and replicated
+ // however we can't use the original cohort b/c it was already preCommitted and may
+ // conflict with the current commit or may have been aborted so we commit with a new
+ // transaction.
+ cohortEntry = commitCoordinator.getAndRemoveCohortEntry(transactionID);
+ if(cohortEntry != null) {
+ commitWithNewTransaction(cohortEntry.getModification());
+ sender.tell(COMMIT_TRANSACTION_REPLY, getSelf());
+ } else {
+ // This really shouldn't happen - it likely means that persistence or replication
+ // took so long to complete such that the cohort entry was expired from the cache.
+ IllegalStateException ex = new IllegalStateException(
+ String.format("Could not finish committing transaction %s - no CohortEntry found",
+ transactionID));
+ LOG.error(ex.getMessage());
+ sender.tell(new akka.actor.Status.Failure(ex), getSelf());
+ }
+
+ return;
+ }
+
+ LOG.debug("Finishing commit for transaction {}", cohortEntry.getTransactionID());
+
+ try {
+ // We block on the future here so we don't have to worry about possibly accessing our
+ // state on a different thread outside of our dispatcher. Also, the data store
+ // currently uses a same thread executor anyway.
+ cohortEntry.getCohort().commit().get();
+
+ sender.tell(COMMIT_TRANSACTION_REPLY, getSelf());
+
+ shardMBean.incrementCommittedTransactionCount();
+ shardMBean.setLastCommittedTransactionTime(System.currentTimeMillis());
+
+ } catch (InterruptedException | ExecutionException e) {
+ sender.tell(new akka.actor.Status.Failure(e), getSelf());
+
+ LOG.error(e, "An exception occurred while committing transaction {}", transactionID);
+ shardMBean.incrementFailedTransactionsCount();
+ }
+
+ commitCoordinator.currentTransactionComplete(transactionID, true);
+ }
+
+ private void handleCanCommitTransaction(CanCommitTransaction canCommit) {
+ LOG.debug("Can committing transaction {}", canCommit.getTransactionID());
+ commitCoordinator.handleCanCommit(canCommit, getSender(), self());
+ }
+
+ private void handleForwardedReadyTransaction(ForwardedReadyTransaction ready) {
+ LOG.debug("Readying transaction {}", ready.getTransactionID());
+
+ // This message is forwarded by the ShardTransaction on ready. We cache the cohort in the
+ // commitCoordinator in preparation for the subsequent three phase commit initiated by
+ // the front-end.
+ commitCoordinator.transactionReady(ready.getTransactionID(), ready.getCohort(),
+ ready.getModification());
+
+ // Return our actor path as we'll handle the three phase commit.
+ getSender().tell(new ReadyTransactionReply(Serialization.serializedActorPath(self())).
+ toSerializable(), getSelf());
+ }
+
+ private void handleAbortTransaction(AbortTransaction abort) {
+ doAbortTransaction(abort.getTransactionID(), getSender());
+ }
+
+ private void doAbortTransaction(String transactionID, final ActorRef sender) {
+ final CohortEntry cohortEntry = commitCoordinator.getCohortEntryIfCurrent(transactionID);
+ if(cohortEntry != null) {
+ LOG.debug("Aborting transaction {}", transactionID);
+
+ // We don't remove the cached cohort entry here (ie pass false) in case the Tx was
+ // aborted during replication in which case we may still commit locally if replication
+ // succeeds.
+ commitCoordinator.currentTransactionComplete(transactionID, false);
+
+ final ListenableFuture<Void> future = cohortEntry.getCohort().abort();
+ final ActorRef self = getSelf();
+
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(Void v) {
+ shardMBean.incrementAbortTransactionsCount();
+
+ if(sender != null) {
+ sender.tell(new AbortTransactionReply().toSerializable(), self);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error(t, "An exception happened during abort");
+
+ if(sender != null) {
+ sender.tell(new akka.actor.Status.Failure(t), self);
+ }
+ }
+ });
+ }
+ }
+
+ private void handleCreateTransaction(Object message) {
+ if (isLeader()) {
+ createTransaction(CreateTransaction.fromSerializable(message));
+ } else if (getLeader() != null) {
+ getLeader().forward(message, getContext());
+ } else {
+ getSender().tell(new akka.actor.Status.Failure(new IllegalStateException(
+ "Could not find shard leader so transaction cannot be created. This typically happens" +
+ " when system is coming up or recovering and a leader is being elected. Try again" +
+ " later.")), getSelf());
+ }
+ }
+
+ private void handleReadDataReply(Object message) {
+ // This must be for install snapshot. Don't want to open this up and trigger
+ // deSerialization
+
+ self().tell(new CaptureSnapshotReply(ReadDataReply.getNormalizedNodeByteString(message)),
+ self());
+
+ createSnapshotTransaction = null;
+
+ // Send a PoisonPill instead of sending close transaction because we do not really need
+ // a response
+ getSender().tell(PoisonPill.getInstance(), self());
+ }
+
private void closeTransactionChain(CloseTransactionChain closeTransactionChain) {
DOMStoreTransactionChain chain =
transactionChains.remove(closeTransactionChain.getTransactionChainId());
throw new NullPointerException("schemaContext should not be null");
}
- if (transactionType
- == TransactionProxy.TransactionType.READ_ONLY.ordinal()) {
+ if (transactionType == TransactionProxy.TransactionType.READ_ONLY.ordinal()) {
shardMBean.incrementReadOnlyTransactionCount();
return getContext().actorOf(
ShardTransaction.props(factory.newReadOnlyTransaction(), getSelf(),
- schemaContext,datastoreContext, shardMBean), transactionId.toString());
+ schemaContext,datastoreContext, shardMBean,
+ transactionId.getRemoteTransactionId()), transactionId.toString());
- } else if (transactionType
- == TransactionProxy.TransactionType.READ_WRITE.ordinal()) {
+ } else if (transactionType == TransactionProxy.TransactionType.READ_WRITE.ordinal()) {
shardMBean.incrementReadWriteTransactionCount();
return getContext().actorOf(
ShardTransaction.props(factory.newReadWriteTransaction(), getSelf(),
- schemaContext, datastoreContext, shardMBean), transactionId.toString());
+ schemaContext, datastoreContext, shardMBean,
+ transactionId.getRemoteTransactionId()), transactionId.toString());
- } else if (transactionType
- == TransactionProxy.TransactionType.WRITE_ONLY.ordinal()) {
+ } else if (transactionType == TransactionProxy.TransactionType.WRITE_ONLY.ordinal()) {
shardMBean.incrementWriteOnlyTransactionCount();
return getContext().actorOf(
ShardTransaction.props(factory.newWriteOnlyTransaction(), getSelf(),
- schemaContext, datastoreContext, shardMBean), transactionId.toString());
+ schemaContext, datastoreContext, shardMBean,
+ transactionId.getRemoteTransactionId()), transactionId.toString());
} else {
throw new IllegalArgumentException(
"Shard="+name + ":CreateTransaction message has unidentified transaction type="
commitCohort.commit().get();
}
-
- private void commit(final ActorRef sender, Object serialized) {
- Modification modification = MutableCompositeModification
- .fromSerializable(serialized, schemaContext);
- DOMStoreThreePhaseCommitCohort cohort =
- modificationToCohort.remove(serialized);
- if (cohort == null) {
- // If there's no cached cohort then we must be applying replicated state.
- commitWithNewTransaction(serialized);
- return;
- }
-
- if(sender == null) {
- LOG.error("Commit failed. Sender cannot be null");
- return;
- }
-
- ListenableFuture<Void> future = cohort.commit();
-
- Futures.addCallback(future, new FutureCallback<Void>() {
- @Override
- public void onSuccess(Void v) {
- sender.tell(new CommitTransactionReply().toSerializable(), getSelf());
- shardMBean.incrementCommittedTransactionCount();
- shardMBean.setLastCommittedTransactionTime(System.currentTimeMillis());
- }
-
- @Override
- public void onFailure(Throwable t) {
- LOG.error(t, "An exception happened during commit");
- shardMBean.incrementFailedTransactionsCount();
- sender.tell(new akka.actor.Status.Failure(t), getSelf());
- }
- });
-
- }
-
- private void commitWithNewTransaction(Object modification) {
+ private void commitWithNewTransaction(Modification modification) {
DOMStoreWriteTransaction tx = store.newWriteOnlyTransaction();
- MutableCompositeModification.fromSerializable(modification, schemaContext).apply(tx);
+ modification.apply(tx);
try {
syncCommitTransaction(tx);
shardMBean.incrementCommittedTransactionCount();
+ shardMBean.setLastCommittedTransactionTime(System.currentTimeMillis());
} catch (InterruptedException | ExecutionException e) {
shardMBean.incrementFailedTransactionsCount();
LOG.error(e, "Failed to commit");
}
}
- private void handleForwardedCommit(ForwardedCommitTransaction message) {
- Object serializedModification =
- message.getModification().toSerializable();
-
- modificationToCohort
- .put(serializedModification, message.getCohort());
-
- if (persistent) {
- this.persistData(getSender(), "identifier",
- new CompositeModificationPayload(serializedModification));
- } else {
- this.commit(getSender(), serializedModification);
- }
- }
-
private void updateSchemaContext(UpdateSchemaContext message) {
this.schemaContext = message.getSchemaContext();
updateSchemaContext(message.getSchemaContext());
//notify shard manager
getContext().parent().tell(new ActorInitialized(), getSelf());
+
+ // Schedule a message to be periodically sent to check if the current in-progress
+ // transaction should be expired and aborted.
+ FiniteDuration period = Duration.create(transactionCommitTimeout / 3, TimeUnit.MILLISECONDS);
+ txCommitTimeoutCheckSchedule = getContext().system().scheduler().schedule(
+ period, period, getSelf(),
+ TX_COMMIT_TIMEOUT_CHECK_MESSAGE, getContext().dispatcher(), ActorRef.noSender());
}
@Override
if (data instanceof CompositeModificationPayload) {
Object modification = ((CompositeModificationPayload) data).getModification();
- if (modification != null) {
- commit(clientActor, modification);
- } else {
+ if(modification == null) {
LOG.error(
- "modification is null - this is very unexpected, clientActor = {}, identifier = {}",
- identifier, clientActor != null ? clientActor.path().toString() : null);
+ "modification is null - this is very unexpected, clientActor = {}, identifier = {}",
+ identifier, clientActor != null ? clientActor.path().toString() : null);
+ } else if(clientActor == null) {
+ // There's no clientActor to which to send a commit reply so we must be applying
+ // replicated state from the leader.
+ commitWithNewTransaction(MutableCompositeModification.fromSerializable(
+ modification, schemaContext));
+ } else {
+ // This must be the OK to commit after replication consensus.
+ finishCommit(clientActor, identifier);
}
-
} else {
LOG.error("Unknown state received {} Class loader = {} CompositeNodeMod.ClassLoader = {}",
data, data.getClass().getClassLoader(),
// so that this actor does not get block building the snapshot
createSnapshotTransaction = createTransaction(
TransactionProxy.TransactionType.READ_ONLY.ordinal(),
- "createSnapshot", "");
+ "createSnapshot" + ++createSnapshotTransactionCounter, "");
createSnapshotTransaction.tell(
new ReadData(YangInstanceIdentifier.builder().build()).toSerializable(), self());
}
@VisibleForTesting
- NormalizedNode<?,?> readStore(YangInstanceIdentifier id)
- throws ExecutionException, InterruptedException {
- DOMStoreReadTransaction transaction = store.newReadOnlyTransaction();
-
- CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> future =
- transaction.read(id);
-
- Optional<NormalizedNode<?, ?>> optional = future.get();
- NormalizedNode<?, ?> node = optional.isPresent()? optional.get() : null;
-
- transaction.close();
-
- return node;
- }
-
- @VisibleForTesting
- void writeToStore(YangInstanceIdentifier id, NormalizedNode<?,?> node)
- throws ExecutionException, InterruptedException {
- DOMStoreWriteTransaction transaction = store.newWriteOnlyTransaction();
-
- transaction.write(id, node);
-
- syncCommitTransaction(transaction);
+ InMemoryDOMDataStore getDataStore() {
+ return store;
}
@VisibleForTesting
Code Review / controller.git / blobdiff