Bug-2397:Provide a mechanism for stakeholders to get notifications on Raft state...

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
index f75aa5445bc34de451c900311c3c91b3a4866f4e..4bd0ad818fff437ba8fbddac035ba9b4075b60b0 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/utils/MessageCollectorActor.java
@@ -8,10 +8,19 @@
 
 package org.opendaylight.controller.cluster.datastore.utils;
 
+import akka.actor.ActorRef;
 import akka.actor.UntypedActor;
 
+import akka.pattern.Patterns;
+import akka.util.Timeout;
+import com.google.common.collect.Lists;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
+import scala.concurrent.Await;
+import scala.concurrent.Future;
+import scala.concurrent.duration.Duration;
+import scala.concurrent.duration.FiniteDuration;
 
 /**
  * MessageCollectorActor collects messages as it receives them. It can send
@@ -27,10 +36,55 @@ public class MessageCollectorActor extends UntypedActor {
     @Override public void onReceive(Object message) throws Exception {
         if(message instanceof String){
             if("messages".equals(message)){
-                getSender().tell(messages, getSelf());
+                getSender().tell(new ArrayList(messages), getSelf());
             }
         } else {
             messages.add(message);
         }
     }
+
+    public static List<Object> getAllMessages(ActorRef actor) throws Exception {
+        FiniteDuration operationDuration = Duration.create(5, TimeUnit.SECONDS);
+        Timeout operationTimeout = new Timeout(operationDuration);
+        Future<Object> future = Patterns.ask(actor, "messages", operationTimeout);
+
+        try {
+            return (List<Object>) Await.result(future, operationDuration);
+        } catch (Exception e) {
+            throw e;
+        }
+    }
+
+    /**
+     * Get the first message that matches the specified class
+     * @param actor
+     * @param clazz
+     * @return
+     */
+    public static Object getFirstMatching(ActorRef actor, Class<?> clazz) throws Exception {
+        List<Object> allMessages = getAllMessages(actor);
+
+        for(Object message : allMessages){
+            if(message.getClass().equals(clazz)){
+                return message;
+            }
+        }
+
+        return null;
+    }
+
+    public static List<Object> getAllMatching(ActorRef actor, Class<?> clazz) throws Exception {
+        List<Object> allMessages = getAllMessages(actor);
+
+        List<Object> output = Lists.newArrayList();
+
+        for(Object message : allMessages){
+            if(message.getClass().equals(clazz)){
+                output.add(message);
+            }
+        }
+
+        return output;
+    }
+
 }