Package backtype.storm.testing

Examples of backtype.storm.testing.FeederSpout

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            }
        }
    }
   
    public static StormTopology buildTopology(LocalDRPC drpc) {
        _spout = new FeederSpout(new Fields("sentence"));
       
        TridentTopology topology = new TridentTopology();
        TridentState wordCounts =
              topology.newStream("spout1", _spout)
                .parallelismHint(16)
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import backtype.storm.utils.Utils;
import storm.starter.bolt.SingleJoinBolt;

public class SingleJoinExample {
  public static void main(String[] args) {
    FeederSpout genderSpout = new FeederSpout(new Fields("id", "gender"));
    FeederSpout ageSpout = new FeederSpout(new Fields("id", "age"));

    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("gender", genderSpout);
    builder.setSpout("age", ageSpout);
    builder.setBolt("join", new SingleJoinBolt(new Fields("gender", "age"))).fieldsGrouping("gender", new Fields("id"))
        .fieldsGrouping("age", new Fields("id"));

    Config conf = new Config();
    conf.setDebug(true);

    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("join-example", conf, builder.createTopology());

    for (int i = 0; i < 10; i++) {
      String gender;
      if (i % 2 == 0) {
        gender = "male";
      }
      else {
        gender = "female";
      }
      genderSpout.feed(new Values(i, gender));
    }

    for (int i = 9; i >= 0; i--) {
      ageSpout.feed(new Values(i, i + 20));
    }

    Utils.sleep(2000);
    cluster.shutdown();
  }
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import backtype.storm.utils.Utils;
import storm.starter.bolt.SingleJoinBolt;

public class SingleJoinExample {
  public static void main(String[] args) {
    FeederSpout genderSpout = new FeederSpout(new Fields("id", "gender"));
    FeederSpout ageSpout = new FeederSpout(new Fields("id", "age"));

    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("gender", genderSpout);
    builder.setSpout("age", ageSpout);
    builder.setBolt("join", new SingleJoinBolt(new Fields("gender", "age"))).fieldsGrouping("gender", new Fields("id"))
        .fieldsGrouping("age", new Fields("id"));

    Config conf = new Config();
    conf.setDebug(true);

    LocalCluster cluster = new LocalCluster();
    cluster.submitTopology("join-example", conf, builder.createTopology());

    for (int i = 0; i < 10; i++) {
      String gender;
      if (i % 2 == 0) {
        gender = "male";
      }
      else {
        gender = "female";
      }
      genderSpout.feed(new Values(i, gender));
    }

    for (int i = 9; i >= 0; i--) {
      ageSpout.feed(new Values(i, i + 20));
    }

    Utils.sleep(2000);
    cluster.shutdown();
  }
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import backtype.storm.utils.Utils;
import storm.starter.bolt.SingleJoinBolt;

public class SingleJoinExample {
    public static void main(String[] args) {
        FeederSpout genderSpout = new FeederSpout(new Fields("id", "gender"));
        FeederSpout ageSpout = new FeederSpout(new Fields("id", "age"));
       
        TopologyBuilder builder = new TopologyBuilder();
        builder.setSpout("gender", genderSpout);
        builder.setSpout("age", ageSpout);
        builder.setBolt("join", new SingleJoinBolt(new Fields("gender", "age")))
                .fieldsGrouping("gender", new Fields("id"))
                .fieldsGrouping("age", new Fields("id"));
       
        Config conf = new Config();
        conf.setDebug(true);
       
        LocalCluster cluster = new LocalCluster();
        cluster.submitTopology("join-example", conf, builder.createTopology());
       
        for(int i=0; i<10; i++) {
            String gender;
            if(i % 2 == 0) {
                gender = "male";
            } else {
                gender = "female";
            }
            genderSpout.feed(new Values(i, gender));
        }
       
        for(int i=9; i>=0; i--) {           
            ageSpout.feed(new Values(i, i+20));
        }
       
        Utils.sleep(2000);
        cluster.shutdown();
    }
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Related Classes of backtype.storm.testing.FeederSpout

  • backtype.storm.tuple.Values
  • storm.starter.SingleJoinExample
  • trident.TridentUpdater
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