/*
* Copyright 2005-2010 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.gpars.javademo;
import groovyx.gpars.MessagingRunnable;
import groovyx.gpars.actor.Actor;
import groovyx.gpars.actor.DefaultActor;
import org.junit.Test;
/**
* Test shows how reacting to messages sent to actor can be nested in logical chain
*
* @author Vaclav Pech, Lukas Krecan, Pavel Jetensky, Michal Franc
*/
@SuppressWarnings({"MagicNumber"})
public class StatefulActorTest {
@Test
public void testStatefulActor() throws Exception {
final Actor actor = new MyActor();
actor.start();
actor.send("Hello");
actor.send("Hello again");
actor.send(10);
actor.send("Bye");
actor.send("Bye again");
actor.send(10);
Thread.sleep(2000L);
}
private static class MyActor extends DefaultActor {
@Override
protected void act() {
loop(new Runnable() {
// Run will be executed with first message sent to actor
@Override
public void run() {
// Schedule process to retrieve second message from queue and MessagingRunnable to process it
react(new MessagingRunnable<Object>(this) {
@Override
protected void doRun(final Object s) {
System.out.println("Received in react: " + s);
// Schedule process to retrieve third message from queue and MessagingRunnable to process it
react(new MessagingRunnable<String>() {
@Override
protected void doRun(final String s) {
System.out.println("Received in nested react: " + s);
react(new MessagingRunnable<Integer>() {
@Override
protected void doRun(final Integer integer) {
System.out.println("Received a number in nested react: " + integer);
}
});
}
});
}
});
}
});
}
}
}