| /** |
| * 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.I0Itec.zkclient.ZkClient; |
| import org.apache.s4.base.Event; |
| import org.apache.s4.core.App; |
| import org.apache.s4.core.ProcessingElement; |
| import org.apache.zookeeper.CreateMode; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class ConsumerPE extends ProcessingElement { |
| |
| private static final Logger logger = LoggerFactory.getLogger(ConsumerPE.class); |
| long eventCount = 0; |
| |
| public ConsumerPE(App app) { |
| super(app); |
| } |
| |
| public void onEvent(Event event) { |
| eventCount++; |
| logger.trace( |
| "Received event with tick {} and time {} for event # {}", |
| new String[] { String.valueOf(event.get("tick", Long.class)), String.valueOf(event.getTime()), |
| String.valueOf(eventCount) }); |
| if (eventCount == 100000) { |
| logger.info("Just reached 100000 events"); |
| ZkClient zkClient = new ZkClient("localhost:2181"); |
| zkClient.create("/AllTicksReceived", new byte[0], CreateMode.PERSISTENT); |
| } |
| |
| } |
| |
| @Override |
| protected void onRemove() { |
| |
| } |
| |
| @Override |
| protected void onCreate() { |
| // TODO Auto-generated method stub |
| |
| } |
| } |