Package backtype.storm

Examples of backtype.storm.LocalCluster

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                .groupBy(new Fields("word"))
                .stateQuery(wordCounts, new Fields("word"), new MapGet(), new Fields("count"))
                .each(new Fields("count"), new FilterNull())
                .aggregate(new Fields("count"), new Sum(), new Fields("sum"));

        LocalCluster cluster = new LocalCluster();
        cluster.submitTopology("test", config, topology.build());

            Thread.sleep(10000);


            assertEquals("[[5]]", client.execute("words", "cat dog the man")); // 5
            assertEquals("[[0]]", client.execute("words", "cat")); // 0
            assertEquals("[[0]]", client.execute("words", "dog")); // 0
            assertEquals("[[4]]", client.execute("words", "the")); // 4
            assertEquals("[[1]]", client.execute("words", "man")); // 1
           


        cluster.shutdown();
        client.shutdown();
    }
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        if(args.length < 1) {
            System.out.println("Please provide kafka broker url ,e.g. localhost:9092");
        }

        Config conf = getConfig(args[0]);
        LocalCluster cluster = new LocalCluster();
        cluster.submitTopology("wordCounter", conf, buildTopology());
        Thread.sleep(60 * 1000);
        cluster.killTopology("wordCounter");

        cluster.shutdown();
    }
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        Config conf = new Config();
       
       
        LocalCluster cluster = new LocalCluster();
       
        cluster.submitTopology("test", conf, builder.createTopology());
       
        Utils.sleep(10000);
        cluster.shutdown();
    }
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    Config conf = new Config();

    if (args == null || args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();

      cluster.submitTopology("drpc-demo", conf, builder.createLocalTopology(drpc));

      for (String word : new String[]{ "hello", "goodbye" }) {
        System.out.println("Result for \"" + word + "\": " + drpc.execute("exclamation", word));
      }

      cluster.shutdown();
      drpc.shutdown();
    }
    else {
      conf.setNumWorkers(3);
      StormSubmitter.submitTopologyWithProgressBar(args[0], conf, builder.createRemoteTopology());
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    builder.setBolt("count", new KeyedCountUpdater(), 5).fieldsGrouping("spout", new Fields("word"));
    builder.setBolt("bucketize", new Bucketize()).noneGrouping("count");
    builder.setBolt("buckets", new BucketCountUpdater(), 5).fieldsGrouping("bucketize", new Fields("bucket"));


    LocalCluster cluster = new LocalCluster();

    Config config = new Config();
    config.setDebug(true);
    config.setMaxSpoutPending(3);

    cluster.submitTopology("top-n-topology", config, builder.buildTopology());

    Thread.sleep(3000);
    cluster.shutdown();
  }
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  public static void main(String[] args) throws Exception {
    Config conf = new Config();
    conf.setMaxSpoutPending(20);
    if (args.length == 0) {
      LocalDRPC drpc = new LocalDRPC();
      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("wordCounter", conf, buildTopology(drpc));
      for (int i = 0; i < 100; i++) {
        System.out.println("DRPC RESULT: " + drpc.execute("words", "cat the dog jumped"));
        Thread.sleep(1000);
      }
    }
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  public static void main(String[] args) throws Exception {
    LocalDRPC drpc = new LocalDRPC();

    Config conf = new Config();
    LocalCluster cluster = new LocalCluster();

    cluster.submitTopology("reach", conf, buildTopology(drpc));

    Thread.sleep(2000);

    System.out.println("REACH: " + drpc.execute("reach", "aaa"));
    System.out.println("REACH: " + drpc.execute("reach", "foo.com/blog/1"));
    System.out.println("REACH: " + drpc.execute("reach", "engineering.twitter.com/blog/5"));


    cluster.shutdown();
    drpc.shutdown();
  }
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  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();
  }
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      StormSubmitter.submitTopologyWithProgressBar(args[0], conf, builder.createTopology());
    }
    else {
      conf.setMaxTaskParallelism(3);

      LocalCluster cluster = new LocalCluster();
      cluster.submitTopology("word-count", conf, builder.createTopology());

      Thread.sleep(10000);

      cluster.shutdown();
    }
  }
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    DRPCSpout spout = new DRPCSpout("exclamation", drpc);
    builder.setSpout("drpc", spout);
    builder.setBolt("exclaim", new ExclamationBolt(), 3).shuffleGrouping("drpc");
    builder.setBolt("return", new ReturnResults(), 3).shuffleGrouping("exclaim");

    LocalCluster cluster = new LocalCluster();
    Config conf = new Config();
    cluster.submitTopology("exclaim", conf, builder.createTopology());

    System.out.println(drpc.execute("exclamation", "aaa"));
    System.out.println(drpc.execute("exclamation", "bbb"));

  }
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Related Classes of backtype.storm.LocalCluster

  • AbstractStormWithKafkaTest
  • backtype.storm.contrib.hbase.examples.HBaseCountersBatchTopology
  • backtype.storm.contrib.hbase.examples.HBaseCountersTopology
  • backtype.storm.contrib.hbase.examples.HBaseExampleTopology
  • backtype.storm.contrib.hbase.examples.HBaseTridentAggregateTopology
  • backtype.storm.contrib.hbase.examples.HBaseTridentValueTopology
  • backtype.storm.contrib.jms.example.ExampleJmsTopology
  • backtype.storm.contrib.signals.test.SignalTopology
  • backtype.storm.spout.TestTopology
  • com.alibaba.aloha.meta.example.TestTopology
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