Examples with Fields backtype.storm.tuple.Fields used on opensource projects

Example 6 with Fields

use of backtype.storm.tuple.Fields in project storm by nathanmarz.

the class TransactionalSpoutCoordinator method declareOutputFields.

@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
    // in partitioned example, in case an emitter task receives a later transaction than it's emitted so far,
    // when it sees the earlier txid it should know to emit nothing
    declarer.declareStream(TRANSACTION_BATCH_STREAM_ID, new Fields("tx", "tx-meta", "committed-txid"));
    declarer.declareStream(TRANSACTION_COMMIT_STREAM_ID, new Fields("tx"));
}

Example 7 with Fields

use of backtype.storm.tuple.Fields in project storm by nathanmarz.

the class OpaqueMemoryTransactionalSpout method declareOutputFields.

@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
    List<String> toDeclare = new ArrayList<String>(_outFields.toList());
    toDeclare.add(0, TX_FIELD);
    declarer.declare(new Fields(toDeclare));
}

Example 8 with Fields

use of backtype.storm.tuple.Fields in project storm by nathanmarz.

the class ClojureBolt method declareOutputFields.

@Override
public void declareOutputFields(OutputFieldsDeclarer declarer) {
    for (String stream : _fields.keySet()) {
        StreamInfo info = _fields.get(stream);
        declarer.declareStream(stream, info.is_direct(), new Fields(info.get_output_fields()));
    }
}

Example 9 with Fields

use of backtype.storm.tuple.Fields in project storm by nathanmarz.

the class PrepareRequest method declareOutputFields.

public void declareOutputFields(OutputFieldsDeclarer declarer) {
    declarer.declareStream(ARGS_STREAM, new Fields("request", "args"));
    declarer.declareStream(RETURN_STREAM, new Fields("request", "return"));
    declarer.declareStream(ID_STREAM, new Fields("request"));
}

Example 10 with Fields

use of backtype.storm.tuple.Fields in project heron by twitter.

the class WordCountTopology method main.

/**
   * Main method
   */
public static void main(String[] args) throws AlreadyAliveException, InvalidTopologyException {
    if (args.length < 1) {
        throw new RuntimeException("Specify topology name");
    }
    int parallelism = 1;
    if (args.length > 1) {
        parallelism = Integer.parseInt(args[1]);
    }
    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("word", new WordSpout(), parallelism);
    builder.setBolt("consumer", new ConsumerBolt(), parallelism).fieldsGrouping("word", new Fields("word"));
    Config conf = new Config();
    conf.setNumStmgrs(parallelism);
    /*
    Set config here
    */
    conf.setComponentRam("word", ByteAmount.fromGigabytes(2));
    conf.setComponentRam("consumer", ByteAmount.fromGigabytes(3));
    conf.setContainerCpuRequested(6);
    StormSubmitter.submitTopology(args[0], conf, builder.createTopology());
}