| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.qpid.proton.example.reactor; |
| |
| import java.io.IOException; |
| |
| import org.apache.qpid.proton.Proton; |
| import org.apache.qpid.proton.engine.BaseHandler; |
| import org.apache.qpid.proton.engine.Event; |
| import org.apache.qpid.proton.reactor.Reactor; |
| import org.apache.qpid.proton.reactor.Task; |
| |
| public class Scheduling extends BaseHandler { |
| |
| private long startTime; |
| |
| @Override |
| public void onReactorInit(Event event) { |
| startTime = System.currentTimeMillis(); |
| System.out.println("Hello, World!"); |
| |
| // We can schedule a task event for some point in the future. |
| // This will cause the reactor to stick around until it has a |
| // chance to process the event. |
| |
| // The first argument is the delay. The second argument is the |
| // handler for the event. We are just using self for now, but |
| // we could pass in another object if we wanted. |
| Task task = event.getReactor().schedule(1000, this); |
| |
| // We can ignore the task if we want to, but we can also use it |
| // to pass stuff to the handler. |
| task.attachments().set("key", String.class, "Yay"); |
| } |
| |
| @Override |
| public void onTimerTask(Event event) { |
| Task task = event.getTask(); |
| System.out.println(task.attachments().get("key", String.class) + " my task is complete!"); |
| } |
| |
| @Override |
| public void onReactorFinal(Event e) { |
| long elapsedTime = System.currentTimeMillis() - startTime; |
| System.out.println("Goodbye, World! (after " + elapsedTime + " long milliseconds)"); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| Reactor reactor = Proton.reactor(new Scheduling()); |
| reactor.run(); |
| } |
| } |