BUG-5280: add SimpleDataStoreClientBehavior

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / actors / dds / AbstractDataStoreClientActor.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/AbstractDataStoreClientActor.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/AbstractDataStoreClientActor.java
new file mode 100644 (file)
index 0000000..5e7fade
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/AbstractDataStoreClientActor.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.databroker.actors.dds;
+
+import akka.actor.ActorRef;
+import akka.util.Timeout;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Throwables;
+import com.google.common.base.Verify;
+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.common.actor.ExplicitAsk;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import scala.Function1;
+import scala.concurrent.Await;
+import scala.concurrent.duration.Duration;
+
+public abstract class AbstractDataStoreClientActor extends AbstractClientActor {
+    private static final Function1<ActorRef, ?> GET_CLIENT_FACTORY = ExplicitAsk.toScala(t -> new GetClientRequest(t));
+
+    private final ActorContext actorContext;
+
+    AbstractDataStoreClientActor(final FrontendIdentifier frontendId, final ActorContext actorContext) {
+        super(frontendId);
+        this.actorContext = Preconditions.checkNotNull(actorContext);
+    }
+
+    @Override
+    protected final AbstractDataStoreClientBehavior initialBehavior(final ClientActorContext context) {
+        return Verify.verifyNotNull(initialBehavior(context, actorContext));
+    }
+
+    abstract AbstractDataStoreClientBehavior initialBehavior(ClientActorContext context, ActorContext actorContext);
+
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    public static DataStoreClient getDistributedDataStoreClient(@Nonnull final ActorRef actor,
+            final long timeout, final TimeUnit unit) {
+        try {
+            return (DataStoreClient) Await.result(ExplicitAsk.ask(actor, GET_CLIENT_FACTORY,
+                Timeout.apply(timeout, unit)), Duration.Inf());
+        } catch (Exception e) {
+            throw Throwables.propagate(e);
+        }
+    }
+}