BUG 2676 : Use shard-dispatcher for ShardManager and Shard actors

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
index 5195a2f918c6248463e26663b953378948c8e0dc..afbdbe1fe9859d15bbcf5d319112c87c5d054698 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
@@ -8,17 +8,13 @@
 
 package org.opendaylight.controller.cluster.datastore;
 
-import akka.actor.ActorRef;
 import akka.actor.ActorSystem;
-import akka.dispatch.OnComplete;
-import akka.util.Timeout;
-import com.google.common.base.Optional;
+import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
-import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
-import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
 import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.Dispatchers;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
@@ -33,7 +29,6 @@ import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import scala.concurrent.Future;
 
 /**
  *
@@ -45,23 +40,26 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
 
     private final ActorContext actorContext;
 
-    public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster,
+    public DistributedDataStore(ActorSystem actorSystem, ClusterWrapper cluster,
             Configuration configuration, DatastoreContext datastoreContext) {
         Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
-        Preconditions.checkNotNull(type, "type should not be null");
         Preconditions.checkNotNull(cluster, "cluster should not be null");
         Preconditions.checkNotNull(configuration, "configuration should not be null");
         Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
 
+        String type = datastoreContext.getDataStoreType();
+
         String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
 
         LOG.info("Creating ShardManager : {}", shardManagerId);
 
-        actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
-                ShardManager.props(type, cluster, configuration, datastoreContext)
-                    .withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+        String shardDispatcher =
+                new Dispatchers(actorSystem.dispatchers()).getDispatcherPath(Dispatchers.DispatcherType.Shard);
 
-        actorContext.setOperationTimeout(datastoreContext.getOperationTimeoutInSeconds());
+        actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
+                ShardManager.props(cluster, configuration, datastoreContext)
+                        .withDispatcher(shardDispatcher).withMailbox(ActorContext.MAILBOX), shardManagerId ),
+                cluster, configuration, datastoreContext);
     }
 
     public DistributedDataStore(ActorContext actorContext) {
@@ -82,39 +80,11 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
 
         String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
 
-        Optional<ActorRef> shard = actorContext.findLocalShard(shardName);
-
-        //if shard is NOT local
-        if (!shard.isPresent()) {
-            LOG.debug("No local shard for shardName {} was found so returning a noop registration", shardName);
-            return new NoOpDataChangeListenerRegistration(listener);
-        }
-        //if shard is local
-        ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(DataChangeListener.props(listener));
-        Future future = actorContext.executeOperationAsync(shard.get(),
-                new RegisterChangeListener(path, dataChangeListenerActor.path(), scope),
-                new Timeout(actorContext.getOperationDuration().$times(REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR)));
-
         final DataChangeListenerRegistrationProxy listenerRegistrationProxy =
-                new DataChangeListenerRegistrationProxy(listener, dataChangeListenerActor);
-
-        future.onComplete(new OnComplete() {
-
-            @Override
-            public void onComplete(Throwable failure, Object result)
-                    throws Throwable {
-                if (failure != null) {
-                    LOG.error("Failed to register listener at path " + path.toString(), failure);
-                    return;
-                }
-                RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
-                listenerRegistrationProxy.setListenerRegistrationActor(actorContext
-                        .actorSelection(reply.getListenerRegistrationPath()));
-            }
-        }, actorContext.getActorSystem().dispatcher());
+                new DataChangeListenerRegistrationProxy(shardName, actorContext, listener);
+        listenerRegistrationProxy.init(path, scope);
 
         return listenerRegistrationProxy;
-
     }
 
     @Override
@@ -129,11 +99,13 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
 
     @Override
     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
+        actorContext.acquireTxCreationPermit();
         return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY);
     }
 
     @Override
     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
+        actorContext.acquireTxCreationPermit();
         return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE);
     }
 
@@ -146,4 +118,9 @@ public class DistributedDataStore implements DOMStore, SchemaContextListener, Au
     public void close() throws Exception {
         actorContext.shutdown();
     }
+
+    @VisibleForTesting
+    ActorContext getActorContext() {
+        return actorContext;
+    }
 }