Package backtype.storm.tuple

Examples of backtype.storm.tuple.Values

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        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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      Integer count = counts.get(word);
      if (count == null)
        count = 0;
      count++;
      counts.put(word, count);
      collector.emit(new Values(word, count));
    }
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import storm.trident.tuple.TridentTuple;

public class TridentFileTopology {

    public static StormTopology buildTopology(String hdfsUrl){
        FixedBatchSpout spout = new FixedBatchSpout(new Fields("sentence", "key"), 1000, new Values("the cow jumped over the moon", 1l),
                new Values("the man went to the store and bought some candy", 2l), new Values("four score and seven years ago", 3l),
                new Values("how many apples can you eat", 4l), new Values("to be or not to be the person", 5l));
        spout.setCycle(true);

        TridentTopology topology = new TridentTopology();
        Stream stream = topology.newStream("spout1", spout);
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  private void emit(Map<Object, Long> counts, int actualWindowLengthInSeconds) {
    for (Entry<Object, Long> entry : counts.entrySet()) {
      Object obj = entry.getKey();
      Long count = entry.getValue();
      collector.emit(new Values(obj, count, actualWindowLengthInSeconds));
    }
  }
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import storm.trident.tuple.TridentTuple;

public class TridentSequenceTopology {

    public static StormTopology buildTopology(String hdfsUrl){
        FixedBatchSpout spout = new FixedBatchSpout(new Fields("sentence", "key"), 1000, new Values("the cow jumped over the moon", 1l),
                new Values("the man went to the store and bought some candy", 2l), new Values("four score and seven years ago", 3l),
                new Values("how many apples can you eat", 4l), new Values("to be or not to be the person", 5l));
        spout.setCycle(true);

        TridentTopology topology = new TridentTopology();
        Stream stream = topology.newStream("spout1", spout);
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  }

  abstract void updateRankingsWithTuple(Tuple tuple);

  private void emitRankings(BasicOutputCollector collector) {
    collector.emit(new Values(rankings.copy()));
    getLogger().debug("Rankings: " + rankings);
  }
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  public void nextTuple() {
    Status ret = queue.poll();
    if (ret == null) {
      Utils.sleep(50);
    } else {
      _collector.emit(new Values(ret));

    }
  }
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  public void nextTuple() {
    Utils.sleep(100);
    String[] sentences = new String[]{ "the cow jumped over the moon", "an apple a day keeps the doctor away",
        "four score and seven years ago", "snow white and the seven dwarfs", "i am at two with nature" };
    String sentence = sentences[_rand.nextInt(sentences.length)];
    _collector.emit(new Values(sentence));
  }
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      _collector = collector;
    }

    @Override
    public void execute(Tuple tuple) {
      _collector.emit(tuple, new Values(tuple.getString(0) + "!!!"));
      _collector.ack(tuple);
    }
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public class StringScheme implements Scheme {

    public static final String STRING_SCHEME_KEY = "str";

    public List<Object> deserialize(byte[] bytes) {
        return new Values(deserializeString(bytes));
    }
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Related Classes of backtype.storm.tuple.Values

  • backtype.storm.coordination.CoordinatedBolt
  • backtype.storm.drpc.DRPCSpout
  • backtype.storm.drpc.JoinResult
  • backtype.storm.drpc.PrepareRequest
  • com.alibaba.jstorm.batch.example.BatchMetaRebalance
  • com.alibaba.jstorm.batch.example.BatchMetaSpout
  • com.alibaba.jstorm.batch.example.CountBolt
  • com.alibaba.jstorm.batch.example.TransformBolt
  • com.alipay.dw.jstorm.example.batch.SimpleSpout
  • com.alipay.dw.jstorm.example.drpc.ReachTopology$CountAggregator
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