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.userdefined.scheduler;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.alibaba.jstorm.client.ConfigExtension;
  import com.alibaba.jstorm.client.WorkerAssignment;
  import com.alibaba.starter.utils.JStormHelper;
  import com.alipay.dw.jstorm.example.sequence.SequenceTopology;
  import com.alipay.dw.jstorm.example.sequence.SequenceTopologyDef;
  
  import backtype.storm.topology.TopologyBuilder;
  
  public class Simple extends SequenceTopology {
      private static Logger LOG = LoggerFactory.getLogger(Simple.class);
      
      private static Map conf = new HashMap<Object, Object>();
      
      public static void SetBuilder(TopologyBuilder builder, Map conf) {
          
          SequenceTopology.SetBuilder(builder, conf);
          
          List<WorkerAssignment> userDefinedWorks = new ArrayList<WorkerAssignment>();
          WorkerAssignment spoutWorkerAssignment = new WorkerAssignment();
          spoutWorkerAssignment.addComponent(SequenceTopologyDef.SEQUENCE_SPOUT_NAME, 1);
          spoutWorkerAssignment.setHostName((String) conf.get("spout.host"));
          userDefinedWorks.add(spoutWorkerAssignment);
          
          WorkerAssignment totalWorkerAssignment = new WorkerAssignment();
          totalWorkerAssignment.addComponent(SequenceTopologyDef.TOTAL_BOLT_NAME, 2);
          totalWorkerAssignment.setHostName((String) conf.get("total.host"));
          userDefinedWorks.add(totalWorkerAssignment);
          
          ConfigExtension.setUserDefineAssignment(conf, userDefinedWorks);
          
      }
      
      public static void main(String[] args) throws Exception {
          if (args.length == 0) {
              System.err.println("Please input configuration file");
              System.exit(-1);
          }
          
          conf = JStormHelper.LoadConf(args[0]);
          
          if (JStormHelper.localMode(conf)) {
              SetLocalTopology();
          } else {
              SetRemoteTopology();
          }
          
      }
      
  }
  