Examples with Scannable reactor.core.Scannable used on opensource projects

Example 6 with Scannable

use of reactor.core.Scannable in project reactor-core by reactor.

the class FluxMergeOrderedTest method scanOperator.

@Test
public void scanOperator() {
    // scannable
    Flux<Integer> source1 = Flux.just(1).map(Function.identity());
    Flux<Integer> source2 = Flux.just(2);
    // safe varargs
    @SuppressWarnings("unchecked") Scannable fmo = new FluxMergeOrdered<>(123, Queues.small(), Comparator.naturalOrder(), source1, source2);
    assertThat(fmo.scan(Scannable.Attr.PARENT)).isSameAs(source1);
    assertThat(fmo.scan(Scannable.Attr.PREFETCH)).isEqualTo(123);
    assertThat(fmo.scan(Scannable.Attr.DELAY_ERROR)).isTrue();
    // default value
    assertThat(fmo.scan(Scannable.Attr.BUFFERED)).isEqualTo(0);
}

Example 7 with Scannable

use of reactor.core.Scannable in project reactor-core by reactor.

the class BaseOperatorTest method fluxFuseableAsyncState.

@SuppressWarnings("unchecked")
final Flux<O> fluxFuseableAsyncState(OperatorScenario<I, PI, O, PO> scenario, boolean conditional) {
    AtomicReference<Scannable> ref = new AtomicReference<>();
    Flux<I> source = this.fluxFuseableAsync(scenario).doOnSubscribe(s -> Scannable.from(s).actuals().skip(1).findFirst().ifPresent(t -> {
        ref.set(t);
        if (scenario.prefetch() != -1) {
            assertThat(t.scan(Scannable.Attr.PREFETCH)).isEqualTo(scenario.prefetch());
        }
    }));
    if (source.getPrefetch() != -1 && scenario.prefetch() != -1) {
        assertThat(Math.min(source.getPrefetch(), Integer.MAX_VALUE)).isEqualTo(scenario.prefetch());
    }
    PO f;
    f = applyStateScenario(scenario, conditional, source);
    return Flux.from(f).doOnSubscribe(parent -> {
        Scannable t = Scannable.from(parent);
        assertThat(t.scan(Scannable.Attr.ERROR)).isNull();
        assertThat(t.scanOrDefault(Scannable.Attr.TERMINATED, false)).isFalse();
        // noop path
        if (parent instanceof Subscriber) {
            ((Subscriber<I>) parent).onSubscribe(Operators.emptySubscription());
            ((Subscriber<I>) parent).onSubscribe(Operators.cancelledSubscription());
        }
        touchTreeState(parent);
    }).doOnComplete(() -> {
        if (ref.get() != null) {
            Scannable t = ref.get();
            if (scenario.shouldAssertPostTerminateState()) {
                assertThat(t.scanOrDefault(Scannable.Attr.TERMINATED, true)).isTrue();
            }
            touchTreeState(ref.get());
        }
    }).doOnNext(d -> touchTreeState(ref.get()));
}

Example 8 with Scannable

use of reactor.core.Scannable in project reactor-core by reactor.

the class ImmediateSchedulerTest method scanWorker.

@Test
public void scanWorker() {
    Worker worker = Schedulers.immediate().createWorker();
    Scannable s = (Scannable) worker;
    assertThat(s.scan(Scannable.Attr.TERMINATED)).isFalse();
    assertThat(s.scan(Scannable.Attr.CANCELLED)).isFalse();
    assertThat(s.scan(Scannable.Attr.NAME)).isEqualTo(Schedulers.IMMEDIATE + ".worker");
    worker.dispose();
    assertThat(s.scan(Scannable.Attr.TERMINATED)).isTrue();
    assertThat(s.scan(Scannable.Attr.CANCELLED)).isTrue();
}