BUG 1735 Registering a data change listener should be asynchronous

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
index b87dc4f608b191c21d5fa34b8bf4a9744864f96a..7b5588cb196a66fa68de947fecc58137977275ae 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/ActorContext.java
@@ -13,8 +13,8 @@ import akka.actor.ActorRef;
 import akka.actor.ActorSelection;
 import akka.actor.ActorSystem;
 import akka.actor.PoisonPill;
+import akka.pattern.Patterns;
 import akka.util.Timeout;
-
 import org.opendaylight.controller.cluster.datastore.ClusterWrapper;
 import org.opendaylight.controller.cluster.datastore.Configuration;
 import org.opendaylight.controller.cluster.datastore.exceptions.PrimaryNotFoundException;
@@ -27,7 +27,6 @@ import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContex
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-
 import scala.concurrent.Await;
 import scala.concurrent.Future;
 import scala.concurrent.duration.Duration;
@@ -176,7 +175,8 @@ public class ActorContext {
      */
     public Object executeRemoteOperation(ActorSelection actor, Object message) {
 
-        LOG.debug("Sending remote message {} to {}", message.getClass().toString(), actor.toString());
+        LOG.debug("Sending remote message {} to {}", message.getClass().toString(),
+            actor.toString());
 
         Future<Object> future = ask(actor, message, operationTimeout);
 
@@ -213,6 +213,13 @@ public class ActorContext {
         actor.tell(message, ActorRef.noSender());
     }
 
+    public void sendShardOperationAsync(String shardName, Object message) {
+        ActorSelection primary = findPrimary(shardName);
+
+        primary.tell(message, ActorRef.noSender());
+    }
+
+
     /**
      * Execute an operation on the primary for a given shard
      * <p>
@@ -258,6 +265,30 @@ public class ActorContext {
     }
 
 
+    /**
+     * Execute an operation on the the local shard only asynchronously
+     *
+     * <p>
+     *     This method first finds the address of the local shard if any. It then
+     *     executes the operation on it.
+     * </p>
+     *
+     * @param shardName the name of the shard on which the operation needs to be executed
+     * @param message the message that needs to be sent to the shard
+     * @param timeout the amount of time that this method should wait for a response before timing out
+     * @return null if the shard could not be located else a future on which the caller can wait
+     *
+     */
+    public Future executeLocalShardOperationAsync(String shardName, Object message, Timeout timeout) {
+        ActorRef local = findLocalShard(shardName);
+        if(local == null){
+            return null;
+        }
+        return Patterns.ask(local, message, timeout);
+    }
+
+
+
     public void shutdown() {
         shardManager.tell(PoisonPill.getInstance(), null);
         actorSystem.shutdown();
@@ -295,4 +326,22 @@ public class ActorContext {
         return clusterWrapper.getCurrentMemberName();
     }
 
+    /**
+     * Send the message to each and every shard
+     *
+     * @param message
+     */
+    public void broadcast(Object message){
+        for(String shardName : configuration.getAllShardNames()){
+            try {
+                sendShardOperationAsync(shardName, message);
+            } catch(Exception e){
+                LOG.warn("broadcast failed to send message " +  message.getClass().getSimpleName() + " to shard " + shardName, e);
+            }
+        }
+    }
+
+    public FiniteDuration getOperationDuration() {
+        return operationDuration;
+    }
 }