Merge "Custom mailbox that is bounded and instrumented."
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ThreePhaseCommitCohort.java
index 00d4ab5782e3e7f0a365bdd9ace5be917b423dc1..25705bff418740c873af8334091b3961612c3f1e 100644 (file)
@@ -9,11 +9,13 @@
 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.datastore.messages.AbortTransaction;
 import org.opendaylight.controller.cluster.datastore.messages.AbortTransactionReply;
@@ -26,9 +28,7 @@ import org.opendaylight.controller.cluster.datastore.messages.PreCommitTransacti
 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 {
+public class ThreePhaseCommitCohort extends AbstractUntypedActor {
     private final DOMStoreThreePhaseCommitCohort cohort;
     private final ActorRef shardActor;
     private final CompositeModification modification;
@@ -55,18 +55,23 @@ public class ThreePhaseCommitCohort extends UntypedActor {
         });
     }
 
+
     @Override
-    public void onReceive(Object message) throws Exception {
-        log.debug("Received message {}", message);
-
-        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 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);
         }
     }
 
@@ -75,17 +80,19 @@ public class ThreePhaseCommitCohort extends UntypedActor {
         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");
-                }
+        Futures.addCallback(future, new FutureCallback<Void>() {
+            public void onSuccess(Void v) {
+                sender
+                    .tell(new AbortTransactionReply().toSerializable(),
+                        self);
             }
-        }, getContext().dispatcher());
+
+            public void onFailure(Throwable t) {
+                LOG.error(t, "An exception happened during abort");
+                sender
+                    .tell(new akka.actor.Status.Failure(t), getSelf());
+            }
+        });
     }
 
     private void commit(CommitTransaction message) {
@@ -94,24 +101,27 @@ public class ThreePhaseCommitCohort extends UntypedActor {
         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>() {
+            public void onSuccess(Void v) {
+                sender
+                    .tell(new PreCommitTransactionReply().toSerializable(),
+                        self);
+            }
 
-        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");
-                }
+            public void onFailure(Throwable t) {
+                LOG.error(t, "An exception happened during pre-commit");
+                sender
+                    .tell(new akka.actor.Status.Failure(t), getSelf());
             }
-        }, getContext().dispatcher());
+        });
 
     }
 
@@ -119,18 +129,19 @@ public class ThreePhaseCommitCohort extends UntypedActor {
         final ListenableFuture<Boolean> future = cohort.canCommit();
         final ActorRef sender = getSender();
         final ActorRef self = getSelf();
+        Futures.addCallback(future, new FutureCallback<Boolean>() {
+            public void onSuccess(Boolean canCommit) {
+                sender.tell(new CanCommitTransactionReply(canCommit)
+                    .toSerializable(), self);
+            }
 
-        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");
-                }
+            public void onFailure(Throwable t) {
+                LOG.error(t, "An exception happened during canCommit");
+                sender
+                    .tell(new akka.actor.Status.Failure(t), getSelf());
             }
-        }, getContext().dispatcher());
+        });
+
 
     }
 }