content: /**
   * 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 com.alipay.dw.jstorm.example.window;
  
  import java.util.concurrent.TimeUnit;
  
  import org.apache.storm.starter.bolt.PrinterBolt;
  import org.apache.storm.starter.bolt.SlidingWindowSumBolt;
  import org.apache.storm.starter.spout.RandomIntegerSpout;
  
  import com.alibaba.starter.utils.Assert;
  import com.alibaba.starter.utils.JStormHelper;
  
  import backtype.storm.Config;
  import backtype.storm.topology.TopologyBuilder;
  import backtype.storm.topology.base.BaseWindowedBolt;
  import backtype.storm.topology.base.BaseWindowedBolt.Duration;
  
  /**
   * Windowing based on tuple timestamp (e.g. the time when tuple is generated
   * rather than when its processed).
   */
  public class SlidingTupleTsTopology {
      static boolean isLocal = true;
      static Config  conf    = JStormHelper.getConfig(null);
      
      public static void test() {
          
          String[] className = Thread.currentThread().getStackTrace()[1].getClassName().split("\\.");
          String topologyName = className[className.length - 1];
          
          try {
              TopologyBuilder builder = new TopologyBuilder();
              BaseWindowedBolt bolt = new SlidingWindowSumBolt()
                      .withWindow(new Duration(5, TimeUnit.SECONDS), new Duration(3, TimeUnit.SECONDS))
                      .withTimestampField("ts").withLag(new Duration(5, TimeUnit.SECONDS));
              builder.setSpout("integer", new RandomIntegerSpout(), 1);
              builder.setBolt("slidingsum", bolt, 1).shuffleGrouping("integer");
              builder.setBolt("printer", new PrinterBolt(), 1).shuffleGrouping("slidingsum");
              
              conf.setDebug(true);
              
              JStormHelper.runTopology(builder.createTopology(), topologyName, conf, 60,
                      new JStormHelper.CheckAckedFail(conf), isLocal);
          } catch (Exception e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
              Assert.fail("Failed");
          }
      }
      
      public static void main(String[] args) throws Exception {
          isLocal = false;
          conf = JStormHelper.getConfig(args);
          test();
      }
  }
  