Examples with Observable com.hazelcast.jet.Observable used on opensource projects

Example 1 with Observable

use of com.hazelcast.jet.Observable in project hazelcast by hazelcast.

the class ObservableResultsTest method multipleObservables.

@Test
public void multipleObservables() {
    Pipeline pipeline = Pipeline.create();
    BatchStage<Long> stage = pipeline.readFrom(TestSources.items(0L, 1L, 2L, 3L, 4L));
    TestObserver otherTestObserver = new TestObserver();
    Observable<Long> otherObservable = hz().getJet().getObservable("otherObservable");
    otherObservable.addObserver(otherTestObserver);
    stage.filter(i -> i % 2 == 0).writeTo(Sinks.observable(observableName));
    stage.filter(i -> i % 2 != 0).writeTo(Sinks.observable("otherObservable"));
    // when
    Job job = hz().getJet().newJob(pipeline);
    job.join();
    // then
    assertSortedValues(testObserver, 0L, 2L, 4L);
    assertError(testObserver, null);
    assertCompletions(testObserver, 1);
    // also
    assertSortedValues(otherTestObserver, 1L, 3L);
    assertError(otherTestObserver, null);
    assertCompletions(otherTestObserver, 1);
}

Example 2 with Observable

use of com.hazelcast.jet.Observable in project hazelcast by hazelcast.

the class ObservableResultsTest method observableRegisteredAfterJobFailedGetError.

@Test
public void observableRegisteredAfterJobFailedGetError() {
    BatchSource<String> errorSource = SourceBuilder.batch("error-source", x -> null).<String>fillBufferFn((in, Void) -> {
        throw new RuntimeException("Intentionally thrown!");
    }).destroyFn(ConsumerEx.noop()).build();
    Pipeline pipeline = Pipeline.create();
    pipeline.readFrom(errorSource).writeTo(Sinks.observable(observableName));
    Job job = hz().getJet().newJob(pipeline);
    assertTrueEventually(() -> assertEquals(JobStatus.FAILED, job.getStatus()));
    // when
    TestObserver otherTestObserver = new TestObserver();
    Observable<Long> lateObservable = hz().getJet().getObservable(observableName);
    lateObservable.addObserver(otherTestObserver);
    // then
    assertSortedValues(testObserver);
    assertError(testObserver, "Intentionally thrown!");
    assertCompletions(testObserver, 0);
}