BUG-5280: add ExplicitAsk utility class
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / DistributedDataStoreClientActor.java
index 1e15fefd6f05c8189a84decaaeb3c015efab2029..de2c19572c1bdec1ae03b510000a5fa3ea5c3591 100644 (file)
@@ -9,21 +9,21 @@ package org.opendaylight.controller.cluster.databroker.actors.dds;
 
 import akka.actor.ActorRef;
 import akka.actor.Props;
-import akka.pattern.ExplicitAskSupport;
 import akka.util.Timeout;
+import com.google.common.base.Preconditions;
 import com.google.common.base.Throwables;
 import java.util.concurrent.TimeUnit;
 import javax.annotation.Nonnull;
+import org.opendaylight.controller.cluster.access.client.AbstractClientActor;
+import org.opendaylight.controller.cluster.access.client.ClientActorContext;
 import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier;
 import org.opendaylight.controller.cluster.access.concepts.FrontendType;
 import org.opendaylight.controller.cluster.access.concepts.MemberName;
-import org.opendaylight.controller.cluster.datastore.actors.client.AbstractClientActor;
-import org.opendaylight.controller.cluster.datastore.actors.client.ClientActorBehavior;
-import org.opendaylight.controller.cluster.datastore.actors.client.ClientActorContext;
+import org.opendaylight.controller.cluster.common.actor.ExplicitAsk;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
 import scala.Function1;
 import scala.concurrent.Await;
 import scala.concurrent.duration.Duration;
-import scala.runtime.AbstractFunction1;
 
 /**
  * A {@link AbstractClientActor} which acts as the point of contact for DistributedDataStore.
@@ -31,36 +31,31 @@ import scala.runtime.AbstractFunction1;
  * @author Robert Varga
  */
 public final class DistributedDataStoreClientActor extends AbstractClientActor {
-    // Unfortunately Akka's explicit ask pattern does not work with its Java API, as it fails to invoke passed message.
-    // In order to make this work for now, we tap directly into ExplicitAskSupport and use a Scala function instead
-    // of akka.japi.Function.
-    private static final ExplicitAskSupport ASK_SUPPORT = akka.pattern.extended.package$.MODULE$;
-    private static final Function1<ActorRef, Object> GET_CLIENT_FACTORY = new AbstractFunction1<ActorRef, Object>() {
-        @Override
-        public Object apply(final ActorRef askSender) {
-            return new GetClientRequest(askSender);
-        }
-    };
+    private static final Function1<ActorRef, ?> GET_CLIENT_FACTORY = ExplicitAsk.toScala(t -> new GetClientRequest(t));
+
+    private final ActorContext actorContext;
 
-    private DistributedDataStoreClientActor(final FrontendIdentifier frontendId) {
+    private DistributedDataStoreClientActor(final FrontendIdentifier frontendId, final ActorContext actorContext) {
         super(frontendId);
+        this.actorContext = Preconditions.checkNotNull(actorContext);
     }
 
     @Override
-    protected ClientActorBehavior initialBehavior(final ClientActorContext context) {
-        return new DistributedDataStoreClientBehavior(context);
+    protected DistributedDataStoreClientBehavior initialBehavior(final ClientActorContext context) {
+        return new DistributedDataStoreClientBehavior(context, actorContext);
     }
 
-    public static Props props(final @Nonnull MemberName memberName, @Nonnull final String storeName) {
-        final String name = "DistributedDataStore:storeName='" + storeName + "'";
+    public static Props props(final @Nonnull MemberName memberName, @Nonnull final String storeName, final ActorContext ctx) {
+        final String name = "datastore-" + storeName;
         final FrontendIdentifier frontendId = FrontendIdentifier.create(memberName, FrontendType.forName(name));
-        return Props.create(DistributedDataStoreClientActor.class, () -> new DistributedDataStoreClientActor(frontendId));
+        return Props.create(DistributedDataStoreClientActor.class,
+            () -> new DistributedDataStoreClientActor(frontendId, ctx));
     }
 
     public static DistributedDataStoreClient getDistributedDataStoreClient(final @Nonnull ActorRef actor,
             final long timeout, final TimeUnit unit) {
         try {
-            return (DistributedDataStoreClient) Await.result(ASK_SUPPORT.ask(actor, GET_CLIENT_FACTORY,
+            return (DistributedDataStoreClient) Await.result(ExplicitAsk.ask(actor, GET_CLIENT_FACTORY,
                 Timeout.apply(timeout, unit)), Duration.Inf());
         } catch (Exception e) {
             throw Throwables.propagate(e);