+
+ 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;
+ }
+