Package backtype.storm.testing

Examples of backtype.storm.testing.MemoryTransactionalSpout$Emitter

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   * @param args
   * @throws InterruptedException
   */
  public static void main(String[] args) throws InterruptedException {
    // Add transactional spout
    MemoryTransactionalSpout spout = new MemoryTransactionalSpout(values,
        new Fields("shortid", "url", "user", "date"), 3);

    TransactionalTopologyBuilder builder = new TransactionalTopologyBuilder(
        "shorturl-count", "spout", spout, 2);

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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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      declarer.declare(new Fields("id", "bucket", "count"));
    }
  }

  public static void main(String[] args) throws Exception {
    MemoryTransactionalSpout spout = new MemoryTransactionalSpout(DATA, new Fields("word"), PARTITION_TAKE_PER_BATCH);
    TransactionalTopologyBuilder builder = new TransactionalTopologyBuilder("top-n-words", "spout", spout, 2);
    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"));
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      declarer.declare(new Fields("id", "bucket", "count"));
    }
  }

  public static void main(String[] args) throws Exception {
    MemoryTransactionalSpout spout = new MemoryTransactionalSpout(DATA, new Fields("word"), PARTITION_TAKE_PER_BATCH);
    TransactionalTopologyBuilder builder = new TransactionalTopologyBuilder("top-n-words", "spout", spout, 2);
    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"));
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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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            declarer.declare(new Fields("id", "bucket", "count"));
        }       
    }
   
    public static void main(String[] args) throws Exception {
        MemoryTransactionalSpout spout = new MemoryTransactionalSpout(DATA, new Fields("word"), PARTITION_TAKE_PER_BATCH);
        TransactionalTopologyBuilder builder = new TransactionalTopologyBuilder("top-n-words", "spout", spout, 2);
        builder.setBolt("count", new KeyedCountUpdater(), 5)
                .fieldsGrouping("spout", new Fields("word"));
        builder.setBolt("bucketize", new Bucketize())
                .noneGrouping("count");
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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");
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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, 2);
      builder.setBolt("partial-count", new BatchCount(), 3).noneGrouping("spout");
      builder.setBolt("sum", new UpdateGlobalCount(), 1).globalGrouping("partial-count");

//      LocalCluster cluster = new LocalCluster();
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Related Classes of backtype.storm.testing.MemoryTransactionalSpout$Emitter

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  • backtype.storm.metric.api.MeanReducer
  • backtype.storm.transactional.partitioned.IPartitionedTransactionalSpout.Emitter
  • backtype.storm.transactional.state.RotatingTransactionalState
  • backtype.storm.tuple.Fields
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  • kafka.api.FetchRequest
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