Examples with DruidBeamStateUpdater org.apache.storm.druid.trident.DruidBeamStateUpdater used on opensource projects

Example 1 with DruidBeamStateUpdater

use of org.apache.storm.druid.trident.DruidBeamStateUpdater in project storm by apache.

the class SampleDruidBoltTridentTopology method main.

public static void main(String[] args) throws Exception {
    if (args.length == 0) {
        throw new IllegalArgumentException("There should be at least one argument. Run as `SampleDruidBoltTridentTopology <zk-url>`");
    }
    TridentTopology tridentTopology = new TridentTopology();
    DruidBeamFactory druidBeamFactory = new SampleDruidBeamFactoryImpl(new HashMap<String, Object>());
    ITupleDruidEventMapper<Map<String, Object>> eventMapper = new TupleDruidEventMapper<>(TupleDruidEventMapper.DEFAULT_FIELD_NAME);
    final Stream stream = tridentTopology.newStream("batch-event-gen", new SimpleBatchSpout(10));
    stream.peek(new Consumer() {

        @Override
        public void accept(TridentTuple input) {
            LOG.info("########### Received tuple: [{}]", input);
        }
    }).partitionPersist(new DruidBeamStateFactory<Map<String, Object>>(druidBeamFactory, eventMapper), new Fields("event"), new DruidBeamStateUpdater());
    Config conf = new Config();
    conf.setDebug(true);
    conf.put("druid.tranquility.zk.connect", args[0]);
    if (args.length > 1) {
        conf.setNumWorkers(3);
        StormSubmitter.submitTopologyWithProgressBar(args[1], conf, tridentTopology.build());
    } else {
        conf.setMaxTaskParallelism(3);
        try (LocalCluster cluster = new LocalCluster();
            LocalTopology topo = cluster.submitTopology("druid-test", conf, tridentTopology.build())) {
            Thread.sleep(30000);
        }
        System.exit(0);
    }
}