Examples with Fields com.twitter.heron.api.tuple.Fields used on opensource projects

Example 16 with Fields

use of com.twitter.heron.api.tuple.Fields in project heron by twitter.

the class TopologyTests method createTopologyWithConnection.

/**
   * Create Topology proto object using HeronSubmitter API.
   *
   * @param heronConfig desired config params.
   * @param spouts spoutName -> parallelism
   * @param bolts boltName -> parallelism
   * @param connections connect default stream from value to key.
   * @return topology proto.
   */
public static TopologyAPI.Topology createTopologyWithConnection(String topologyName, Config heronConfig, Map<String, Integer> spouts, Map<String, Integer> bolts, Map<String, String> connections) {
    TopologyBuilder builder = new TopologyBuilder();
    BaseRichSpout baseSpout = new BaseRichSpout() {

        private static final long serialVersionUID = -719523487475322625L;

        public void declareOutputFields(OutputFieldsDeclarer declarer) {
            declarer.declare(new Fields("field1"));
        }

        public void open(Map<String, Object> conf, TopologyContext context, SpoutOutputCollector collector) {
        }

        public void nextTuple() {
        }
    };
    BaseBasicBolt basicBolt = new BaseBasicBolt() {

        private static final long serialVersionUID = 2544765902130713628L;

        public void execute(Tuple input, BasicOutputCollector collector) {
        }

        public void declareOutputFields(OutputFieldsDeclarer declarer) {
        }
    };
    for (String spout : spouts.keySet()) {
        builder.setSpout(spout, baseSpout, spouts.get(spout));
    }
    for (String bolt : bolts.keySet()) {
        BoltDeclarer boltDeclarer = builder.setBolt(bolt, basicBolt, bolts.get(bolt));
        if (connections.containsKey(bolt)) {
            boltDeclarer.shuffleGrouping(connections.get(bolt));
        }
    }
    HeronTopology heronTopology = builder.createTopology();
    return heronTopology.setName(topologyName).setConfig(heronConfig).setState(TopologyAPI.TopologyState.RUNNING).getTopology();
}

Example 17 with Fields

use of com.twitter.heron.api.tuple.Fields in project heron by twitter.

the class PhysicalPlanUtilTest method getTestTopology.

/**
   * Construct the test topology
   */
public static TopologyAPI.Topology getTestTopology() {
    TopologyBuilder topologyBuilder = new TopologyBuilder();
    topologyBuilder.setSpout("word", new BaseRichSpout() {

        private static final long serialVersionUID = 5406114907377311020L;

        @Override
        public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
            outputFieldsDeclarer.declare(new Fields("word"));
        }

        @Override
        public void open(Map<String, Object> map, TopologyContext topologyContext, SpoutOutputCollector spoutOutputCollector) {
        }

        @Override
        public void nextTuple() {
        }
    }, 2);
    topologyBuilder.setBolt("exclaim", new BaseBasicBolt() {

        private static final long serialVersionUID = 4398578755681473899L;

        @Override
        public void execute(Tuple tuple, BasicOutputCollector basicOutputCollector) {
        }

        @Override
        public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer) {
        }
    }, 2).shuffleGrouping("word");
    Config conf = new Config();
    conf.setDebug(true);
    conf.setMaxSpoutPending(10);
    conf.put(Config.TOPOLOGY_WORKER_CHILDOPTS, "-XX:+HeapDumpOnOutOfMemoryError");
    conf.setComponentRam("word", ByteAmount.fromMegabytes(500));
    conf.setComponentRam("exclaim", ByteAmount.fromGigabytes(1));
    conf.setMessageTimeoutSecs(1);
    return topologyBuilder.createTopology().setName("topology-name").setConfig(conf).setState(TopologyAPI.TopologyState.RUNNING).getTopology();
}