code: package resa.evaluation.simulate;
  
  import backtype.storm.Config;
  import backtype.storm.LocalCluster;
  import backtype.storm.StormSubmitter;
  import backtype.storm.generated.StormTopology;
  import backtype.storm.topology.TopologyBuilder;
  import backtype.storm.tuple.Fields;
  import resa.metrics.RedisMetricsCollector;
  import resa.examples.wc.RedisSentenceSpout;
  import resa.examples.wc.WordCountTopology;
  import resa.evaluation.topology.WritableTopologyBuilder;
  import resa.util.ConfigUtil;
  import resa.util.ResaConfig;
  
  import java.io.File;
  import java.nio.file.Files;
  import java.nio.file.Paths;
  import java.util.List;
  import java.util.Map;
  import java.util.stream.Collectors;
  
  import static resa.util.ConfigUtil.readConfig;
  
  /**
   * Created by ding on 14-7-29.
   */
  public class LoadDataTopology {
  
      private static StormTopology createTopology(Map<String, Object> conf) {
          TopologyBuilder builder = new WritableTopologyBuilder();
  
          String host = (String) conf.get("redis.host");
          int port = ConfigUtil.getInt(conf, "redis.port", 6379);
          String queue = (String) conf.get("redis.queue");
          builder.setSpout("input", new RedisSentenceSpout(host, port, queue), ConfigUtil.getInt(conf,
                  "simulate.spout.parallelism", 1));
  
          int parallelism = ConfigUtil.getInt(conf, "simulate.bolt.split.parallelism", 1);
          builder.setBolt("split", new WordCountTopology.SplitSentence(), parallelism).shuffleGrouping("input")
                  .setNumTasks(ConfigUtil.getInt(conf, "simulate.bolt.split.tasks", parallelism));
  
          parallelism = ConfigUtil.getInt(conf, "simulate.bolt.data-loader.parallelism", 1);
          builder.setBolt("data-loader", new HdfsDataLoader(), parallelism).fieldsGrouping("split", new Fields("word"))
                  .setNumTasks(ConfigUtil.getInt(conf, "simulate.bolt.data-loader.tasks", parallelism));
          //conf.put(Config.TOPOLOGY_MESSAGE_TIMEOUT_SECS, totalComputeTime * 3);
          return builder.createTopology();
      }
  
      public static void main(String[] args) throws Exception {
          Config conf = readConfig(new File(args[1]));
  
          if (conf == null) {
              throw new RuntimeException("cannot find conf file " + args[1]);
          }
          ResaConfig resaConfig = ResaConfig.create();
          resaConfig.putAll(conf);
          StormTopology topology = createTopology(resaConfig);
          if (args[0].equals("[local]")) {
              resaConfig.setDebug(false);
              LocalCluster localCluster = new LocalCluster();
              localCluster.submitTopology("local", resaConfig, topology);
          } else {
  //            resaConfig.addDrsSupport();
              resaConfig.registerMetricsConsumer(RedisMetricsCollector.class);
              List<Double> dataSizes = Files.readAllLines(Paths.get(args[2])).stream().map(String::trim)
                      .filter(s -> !s.isEmpty()).map(Double::valueOf).collect(Collectors.toList());
              resaConfig.put("dataSizes", dataSizes);
              StormSubmitter.submitTopology(args[0], resaConfig, topology);
          }
      }
  
  }
  