| /** |
| * 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.comm.topology.ZNRecord; |
| import org.apache.s4.comm.topology.ZNRecordSerializer; |
| import org.apache.s4.comm.topology.ZkClient; |
| import org.apache.s4.core.App; |
| import org.apache.zookeeper.CreateMode; |
| |
| public class ProducerApp extends App { |
| |
| private ProducerPE producerPE; |
| |
| @Override |
| protected void onStart() { |
| System.out.println("Starting CounterApp..."); |
| ((ProducerPE) producerPE.getInstanceForKey("single")).sendMessages(); |
| } |
| |
| // generic array due to varargs generates a warning. |
| @Override |
| protected void onInit() { |
| System.out.println("Initing CounterApp..."); |
| |
| ZkClient zkClient = new ZkClient("localhost:2181"); |
| |
| zkClient.setZkSerializer(new ZNRecordSerializer()); |
| ZNRecord record = new ZNRecord(Thread.currentThread().getContextClassLoader().getClass().getName()); |
| zkClient.create("/s4/classLoader", record, CreateMode.PERSISTENT); |
| |
| producerPE = createPE(ProducerPE.class, "producer"); |
| producerPE.setStreams(createOutputStream("tickStream")); |
| |
| } |
| |
| @Override |
| protected void onClose() { |
| } |
| |
| } |