Package org.apache.twill.discovery

Examples of org.apache.twill.discovery.DiscoveryServiceClient


    @Provides
    @Singleton
    private DiscoveryServiceClient providesDiscoveryServiceClient(final ZKClientService zkClient,
                                                                  final ZKDiscoveryService delegate) {
      return new DiscoveryServiceClient() {
        @Override
        public ServiceDiscovered discover(String s) {
          if (!zkClient.isRunning()) {
            zkClient.startAndWait();
          }
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    // if this is not for a mapper or a reducer, we don't need the metrics collection service
    MetricsCollectionService metricsCollectionService =
      (type == null) ? null : injector.getInstance(MetricsCollectionService.class);

    DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);

    // Creating mapreduce job context
    MapReduceSpecification spec = program.getSpecification().getMapReduce().get(program.getName());
    BasicMapReduceContext context =
      new BasicMapReduceContext(program, type, RunIds.fromString(runId),
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    ApplicationSpecification appSpec = program.getSpecification();

    //TODO: Change this when Spark starts supporting Metrics
    MetricsCollectionService metricsCollectionService = null;

    DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);

    // Creating Spark job context
    SparkSpecification sparkSpec = program.getSpecification().getSpark().get(program.getName());
    BasicSparkContext context =
      new BasicSparkContext(program, RunIds.fromString(runId), runtimeArguments, appSpec.getDatasets().keySet(),
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    @Provides
    @Singleton
    private DiscoveryServiceClient providesDiscoveryServiceClient(final ZKClientService zkClient,
                                                                  final ZKDiscoveryService delegate) {
      return new DiscoveryServiceClient() {
        @Override
        public ServiceDiscovered discover(String s) {
          if (!zkClient.isRunning()) {
            zkClient.startAndWait();
          }
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