Examples with InstanceEvent de.codecentric.boot.admin.server.domain.events.InstanceEvent used on opensource projects

Example 11 with InstanceEvent

use of de.codecentric.boot.admin.server.domain.events.InstanceEvent in project spring-boot-admin by codecentric.

the class AbstractEventStoreTest method concurrent_read_writes.

@Test
public void concurrent_read_writes() {
    InstanceId id = InstanceId.of("a");
    InstanceEventStore store = createStore(500);
    Function<Integer, InstanceEvent> eventFactory = (i) -> new InstanceDeregisteredEvent(id, i);
    Flux<Void> eventgenerator = Flux.range(0, 500).map(eventFactory).buffer(2).flatMap((events) -> store.append(events).onErrorResume(OptimisticLockingException.class, (ex) -> {
        log.info("skipped {}", ex.getMessage());
        return Mono.empty();
    }).delayElement(Duration.ofMillis(5L)));
    StepVerifier.create(eventgenerator.subscribeOn(Schedulers.newSingle("a")).mergeWith(eventgenerator.subscribeOn(Schedulers.newSingle("a"))).mergeWith(eventgenerator.subscribeOn(Schedulers.newSingle("a"))).mergeWith(eventgenerator.subscribeOn(Schedulers.newSingle("a"))).then()).verifyComplete();
    List<Long> versions = store.find(id).map(InstanceEvent::getVersion).collectList().block();
    List<Long> expected = LongStream.range(0, 500).boxed().collect(toList());
    assertThat(versions).containsExactlyElementsOf(expected);
}