Basic DistributedDataStoreIntegrationTest added

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ThreePhaseCommitCohort.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ThreePhaseCommitCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ThreePhaseCommitCohort.java
index 8e21cb2d86fc846d4923526024b62e0aff332f12..00d4ab5782e3e7f0a365bdd9ace5be917b423dc1 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ThreePhaseCommitCohort.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ThreePhaseCommitCohort.java
@@ -8,30 +8,129 @@
 
 package org.opendaylight.controller.cluster.datastore;
 
+import akka.actor.ActorRef;
 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.ListenableFuture;
+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.CanCommitTransactionReply;
+import org.opendaylight.controller.cluster.datastore.messages.CommitTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.ForwardedCommitTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.PreCommitTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.PreCommitTransactionReply;
+import org.opendaylight.controller.cluster.datastore.modification.CompositeModification;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
 
-public class ThreePhaseCommitCohort extends UntypedActor{
-  private final DOMStoreThreePhaseCommitCohort cohort;
+import java.util.concurrent.ExecutionException;
 
-  public ThreePhaseCommitCohort(DOMStoreThreePhaseCommitCohort cohort) {
+public class ThreePhaseCommitCohort extends UntypedActor {
+    private final DOMStoreThreePhaseCommitCohort cohort;
+    private final ActorRef shardActor;
+    private final CompositeModification modification;
 
-    this.cohort = cohort;
-  }
+    public ThreePhaseCommitCohort(DOMStoreThreePhaseCommitCohort cohort,
+        ActorRef shardActor, CompositeModification modification) {
 
-  @Override
-  public void onReceive(Object message) throws Exception {
-    throw new UnsupportedOperationException("onReceive");
-  }
+        this.cohort = cohort;
+        this.shardActor = shardActor;
+        this.modification = modification;
+    }
 
-  public static Props props(final DOMStoreThreePhaseCommitCohort cohort) {
-    return Props.create(new Creator<ThreePhaseCommitCohort>(){
-      @Override
-      public ThreePhaseCommitCohort create() throws Exception {
-        return new ThreePhaseCommitCohort(cohort);
-      }
-    });
-  }
+    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 {
+        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);
+        }
+    }
+
+    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.debug("Forward commit transaction to Shard {} ", 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");
+                }
+            }
+        }, 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");
+                }
+            }
+        }, getContext().dispatcher());
+
+    }
 }