| /** |
| * 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 s4app; |
| |
| import org.apache.s4.base.Event; |
| import org.apache.s4.core.App; |
| import org.apache.s4.core.ProcessingElement; |
| import org.apache.s4.core.Streamable; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ProducerPE extends ProcessingElement { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ProducerPE.class); |
| |
| private Streamable[] targetStreams; |
| |
| public ProducerPE(App app) { |
| super(app); |
| } |
| |
| /** |
| * @param targetStreams |
| * the {@link Streamable} streams. |
| */ |
| public void setStreams(Streamable... targetStreams) { |
| this.targetStreams = targetStreams; |
| } |
| |
| public void sendMessages() { |
| for (long tick = 1; tick <= 100000; tick++) { |
| Event event = new Event(); |
| event.put("tick", Long.class, tick); |
| |
| logger.trace("Sending event with tick {} and time {}.", event.get("tick", Long.class), event.getTime()); |
| for (int i = 0; i < targetStreams.length; i++) { |
| targetStreams[i].put(event); |
| } |
| } |
| } |
| |
| @Override |
| protected void onRemove() { |
| |
| } |
| |
| @Override |
| protected void onCreate() { |
| // TODO Auto-generated method stub |
| |
| } |
| } |