package org.opendaylight.controller.cluster.datastore;
import akka.actor.ActorRef;
+import akka.actor.PoisonPill;
import akka.actor.Props;
-import akka.actor.UntypedActor;
import akka.event.Logging;
import akka.event.LoggingAdapter;
import akka.japi.Creator;
+
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
+import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
+
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
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.modification.CompositeModification;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
-import java.util.concurrent.ExecutionException;
-
-public class ThreePhaseCommitCohort extends UntypedActor{
- private final DOMStoreThreePhaseCommitCohort cohort;
- private final ActorRef shardActor;
- private final CompositeModification modification;
-
- public ThreePhaseCommitCohort(DOMStoreThreePhaseCommitCohort cohort, ActorRef shardActor, CompositeModification modification) {
- this.cohort = cohort;
- this.shardActor = shardActor;
- this.modification = modification;
- }
-
- private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
-
- public static Props props(final DOMStoreThreePhaseCommitCohort cohort, final ActorRef shardActor, final CompositeModification modification) {
- return Props.create(new Creator<ThreePhaseCommitCohort>(){
- @Override
- public ThreePhaseCommitCohort create() throws Exception {
- return new ThreePhaseCommitCohort(cohort, shardActor, modification);
- }
- });
- }
-
- @Override
- public void onReceive(Object message) throws Exception {
- if(message instanceof CanCommitTransaction){
- canCommit((CanCommitTransaction) message);
- } else if(message instanceof PreCommitTransaction) {
- preCommit((PreCommitTransaction) message);
- } else if(message instanceof CommitTransaction){
- commit((CommitTransaction) message);
- } else if (message instanceof AbortTransaction){
- abort((AbortTransaction) message);
+public class ThreePhaseCommitCohort extends AbstractUntypedActor {
+ private final DOMStoreThreePhaseCommitCohort cohort;
+ private final ActorRef shardActor;
+ private final CompositeModification modification;
+ private final ShardStats shardStats;
+
+ public ThreePhaseCommitCohort(DOMStoreThreePhaseCommitCohort cohort,
+ ActorRef shardActor, CompositeModification modification, ShardStats shardStats) {
+
+ this.cohort = cohort;
+ this.shardActor = shardActor;
+ this.modification = modification;
+ this.shardStats = shardStats;
}
- }
-
- private void abort(AbortTransaction message) {
- final ListenableFuture<Void> future = cohort.abort();
- final ActorRef sender = getSender();
- final ActorRef self = getSelf();
-
- future.addListener(new Runnable() {
- @Override
- public void run() {
- try {
- future.get();
- sender.tell(new AbortTransactionReply(), self);
- } catch (InterruptedException | ExecutionException e) {
- log.error(e, "An exception happened when aborting");
- }
- }
- }, getContext().dispatcher());
- }
-
- private void commit(CommitTransaction message) {
- // Forward the commit to the shard
- log.info("Commit transaction now + " + shardActor);
- shardActor.forward(new ForwardedCommitTransaction(cohort, modification), getContext());
-
- }
-
- private void preCommit(PreCommitTransaction message) {
- final ListenableFuture<Void> future = cohort.preCommit();
- final ActorRef sender = getSender();
- final ActorRef self = getSelf();
-
- future.addListener(new Runnable() {
- @Override
- public void run() {
- try {
- future.get();
- sender.tell(new PreCommitTransactionReply(), self);
- } catch (InterruptedException | ExecutionException e) {
- log.error(e, "An exception happened when preCommitting");
+
+ private final LoggingAdapter log =
+ Logging.getLogger(getContext().system(), this);
+
+ public static Props props(final DOMStoreThreePhaseCommitCohort cohort,
+ final ActorRef shardActor, final CompositeModification modification,
+ ShardStats shardStats) {
+ return Props.create(new ThreePhaseCommitCohortCreator(cohort, shardActor, modification,
+ shardStats));
+ }
+
+ @Override
+ public void handleReceive(Object message) throws Exception {
+ if (message.getClass()
+ .equals(CanCommitTransaction.SERIALIZABLE_CLASS)) {
+ canCommit(new CanCommitTransaction());
+ } else if (message.getClass()
+ .equals(PreCommitTransaction.SERIALIZABLE_CLASS)) {
+ preCommit(new PreCommitTransaction());
+ } else if (message.getClass()
+ .equals(CommitTransaction.SERIALIZABLE_CLASS)) {
+ commit(new CommitTransaction());
+ } else if (message.getClass()
+ .equals(AbortTransaction.SERIALIZABLE_CLASS)) {
+ abort(new AbortTransaction());
+ } else {
+ unknownMessage(message);
}
- }
- }, getContext().dispatcher());
-
- }
-
- private void canCommit(CanCommitTransaction message) {
- final ListenableFuture<Boolean> future = cohort.canCommit();
- final ActorRef sender = getSender();
- final ActorRef self = getSelf();
-
- future.addListener(new Runnable() {
- @Override
- public void run() {
- try {
- Boolean canCommit = future.get();
- sender.tell(new CanCommitTransactionReply(canCommit), self);
- } catch (InterruptedException | ExecutionException e) {
- log.error(e, "An exception happened when aborting");
+ }
+
+ private void abort(AbortTransaction message) {
+ final ListenableFuture<Void> future = cohort.abort();
+ final ActorRef sender = getSender();
+ final ActorRef self = getSelf();
+
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(Void v) {
+ shardStats.incrementAbortTransactionsCount();
+ sender
+ .tell(new AbortTransactionReply().toSerializable(),
+ self);
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error(t, "An exception happened during abort");
+ sender
+ .tell(new akka.actor.Status.Failure(t), self);
+ }
+ });
+ }
+
+ private void commit(CommitTransaction message) {
+ // Forward the commit to the shard
+ log.debug("Forward commit transaction to Shard {} ", shardActor);
+ shardActor.forward(new ForwardedCommitTransaction(cohort, modification),
+ getContext());
+
+ getContext().parent().tell(PoisonPill.getInstance(), getSelf());
+
+ }
+
+ private void preCommit(PreCommitTransaction message) {
+ final ListenableFuture<Void> future = cohort.preCommit();
+ final ActorRef sender = getSender();
+ final ActorRef self = getSelf();
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(Void v) {
+ sender
+ .tell(new PreCommitTransactionReply().toSerializable(),
+ self);
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error(t, "An exception happened during pre-commit");
+ sender
+ .tell(new akka.actor.Status.Failure(t), self);
+ }
+ });
+
+ }
+
+ private void canCommit(CanCommitTransaction message) {
+ final ListenableFuture<Boolean> future = cohort.canCommit();
+ final ActorRef sender = getSender();
+ final ActorRef self = getSelf();
+ Futures.addCallback(future, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(Boolean canCommit) {
+ sender.tell(new CanCommitTransactionReply(canCommit)
+ .toSerializable(), self);
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error(t, "An exception happened during canCommit");
+ sender
+ .tell(new akka.actor.Status.Failure(t), self);
+ }
+ });
+ }
+
+ private static class ThreePhaseCommitCohortCreator implements Creator<ThreePhaseCommitCohort> {
+ final DOMStoreThreePhaseCommitCohort cohort;
+ final ActorRef shardActor;
+ final CompositeModification modification;
+ final ShardStats shardStats;
+
+ ThreePhaseCommitCohortCreator(DOMStoreThreePhaseCommitCohort cohort,
+ ActorRef shardActor, CompositeModification modification, ShardStats shardStats) {
+ this.cohort = cohort;
+ this.shardActor = shardActor;
+ this.modification = modification;
+ this.shardStats = shardStats;
}
- }
- }, getContext().dispatcher());
- }
+ @Override
+ public ThreePhaseCommitCohort create() throws Exception {
+ return new ThreePhaseCommitCohort(cohort, shardActor, modification, shardStats);
+ }
+ }
}
Code Review / controller.git / blobdiff