Examples with ICtrlBolt org.openkilda.wfm.ctrl.ICtrlBolt used on opensource projects

Example 1 with ICtrlBolt

use of org.openkilda.wfm.ctrl.ICtrlBolt in project open-kilda by telstra.

the class OFEventWFMTopology method createTopology.

/**
 * The best place to look for detailed design information regarding this topologies
 * interactions is to look at docs/design/usecase/network-discovery.md
 *
 * At a high level, it receives input from the speaker, and sends output to the
 * topology engine.
 *
 * @return
 * @throws StreamNameCollisionException
 */
public StormTopology createTopology() throws StreamNameCollisionException {
    logger.debug("Building Topology - " + this.getClass().getSimpleName());
    String kafkaTopoDiscoTopic = config.getKafkaTopoDiscoTopic();
    String kafkaTopoEngTopic = config.getKafkaTopoEngTopic();
    String kafkaSpeakerTopic = config.getKafkaSpeakerTopic();
    checkAndCreateTopic(kafkaTopoDiscoTopic);
    checkAndCreateTopic(kafkaTopoEngTopic);
    TopologyBuilder builder = new TopologyBuilder();
    List<CtrlBoltRef> ctrlTargets = new ArrayList<>();
    String spoutName = SPOUT_ID_INPUT;
    String boltName = BOLT_ID;
    builder.setSpout(spoutName, createKafkaSpout(kafkaTopoDiscoTopic, spoutName));
    IStatefulBolt bolt = new OFELinkBolt(config);
    // TODO: resolve the comments below; are there any state issues?
    // NB: with shuffleGrouping, we can't maintain state .. would need to parse first
    // just to pull out switchID.
    // (crimi) - not sure I agree here .. state can be maintained, albeit distributed.
    // 
    BoltDeclarer bd = builder.setBolt(boltName, bolt, config.getParallelism()).shuffleGrouping(spoutName);
    builder.setBolt(kafkaTopoEngTopic, createKafkaBolt(kafkaTopoEngTopic), config.getParallelism()).shuffleGrouping(boltName, kafkaTopoEngTopic);
    builder.setBolt(kafkaSpeakerTopic, createKafkaBolt(kafkaSpeakerTopic), config.getParallelism()).shuffleGrouping(boltName, kafkaSpeakerTopic);
    // TODO: verify this ctrlTarget after refactoring.
    ctrlTargets.add(new CtrlBoltRef(boltName, (ICtrlBolt) bolt, bd));
    createCtrlBranch(builder, ctrlTargets);
    // TODO: verify WFM_TOPOLOGY health check
    createHealthCheckHandler(builder, ServiceType.WFM_TOPOLOGY.getId());
    return builder.createTopology();
}