Package backtype.storm.tuple

Examples of backtype.storm.tuple.Fields

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     * @param declarer
     */
    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
        if (this.isDrpc) {
            declarer.declare(new Fields("id", this.emitFieldForRowKey, this.emitFieldForColumnName));
        } else {
            declarer.declare(new Fields(this.emitFieldForRowKey, this.emitFieldForColumnName));
        }
    }
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public class ManualDRPC {
  public static class ExclamationBolt extends BaseBasicBolt {

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("result", "return-info"));
    }
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      declarer.declare(new Fields("id", "sum"));
    }
  }

  public static void main(String[] args) throws Exception {
    MemoryTransactionalSpout spout = new MemoryTransactionalSpout(DATA, new Fields("word"), PARTITION_TAKE_PER_BATCH);
    TransactionalTopologyBuilder builder = new TransactionalTopologyBuilder("global-count", "spout", spout, 3);
    builder.setBolt("partial-count", new BatchCount(), 5).noneGrouping("spout");
    builder.setBolt("sum", new UpdateGlobalCount()).globalGrouping("partial-count");

    LocalCluster cluster = new LocalCluster();
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      _collector.emit(new Values(_id, _count));
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("id", "count"));
    }
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      _collector.emit(new Values(_attempt, newval.count));
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("id", "sum"));
    }
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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();
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    TopologyBuilder builder = new TopologyBuilder();

    builder.setSpout("spout", new RandomSentence(), 5);

    builder.setBolt("split", new SplitSentence(), 8).shuffleGrouping("spout");
    builder.setBolt("count", new WordCount(), 12).fieldsGrouping("split", new Fields("word"));

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

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      super("node", "splitsentence.js");
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("word"));
    }
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            super("node", "randomsentence.js");
        }

        @Override
        public void declareOutputFields(OutputFieldsDeclarer declarer) {
            declarer.declare(new Fields("word"));
        }
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      collector.emit(new Values(word, count));
    }

    @Override
    public void declareOutputFields(OutputFieldsDeclarer declarer) {
      declarer.declare(new Fields("word", "count"));
    }
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Related Classes of backtype.storm.tuple.Fields

  • backtype.storm.clojure.ClojureBolt
  • backtype.storm.clojure.ClojureSpout
  • backtype.storm.clojure.RichShellBolt
  • backtype.storm.clojure.RichShellSpout
  • backtype.storm.drpc.DRPCSpout
  • backtype.storm.spout.RawMultiScheme
  • backtype.storm.spout.RawScheme
  • backtype.storm.testing.TestEventOrderCheckBolt
  • backtype.storm.testing.TestGlobalCount
  • com.alibaba.jstorm.batch.example.BatchMetaRebalance
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