StormRunner.java

package storm.starter.util;

import backtype.storm.Config;
import backtype.storm.LocalCluster;
import backtype.storm.generated.StormTopology;

public final class StormRunner {

  private static final int MILLIS_IN_SEC = 1000;

  private StormRunner() {
  }

  public static void runTopologyLocally(StormTopology topology, String topologyName, Config conf, int runtimeInSeconds)
      throws InterruptedException {
    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology(topologyName, conf, topology);
    Thread.sleep((long) runtimeInSeconds * MILLIS_IN_SEC);
    cluster.killTopology(topologyName);
    cluster.shutdown();
  }
}