public static void main(String[] args) throws InterruptedException {
CountingEventBus eventBus = new CountingEventBus();
StubHandler stubHandler = new StubHandler();
InMemoryEventStore inMemoryEventStore = new InMemoryEventStore();
DisruptorCommandBus<StubAggregate> commandBus =
new DisruptorCommandBus<StubAggregate>(
new GenericAggregateFactory<StubAggregate>(StubAggregate.class),
inMemoryEventStore,
eventBus,
new CommandTargetResolver() {
@Override
public VersionedAggregateIdentifier resolveTarget(CommandMessage<?> command) {
return new VersionedAggregateIdentifier(
command.getMetaData().get(TARGET_AGGREGATE_PROPERTY), null);
}
});
commandBus.subscribe(StubCommand.class, stubHandler);
stubHandler.setRepository(commandBus);
final String aggregateIdentifier = "MyID";
inMemoryEventStore.appendEvents(
StubAggregate.class.getSimpleName(),
new SimpleDomainEventStream(
new GenericDomainEventMessage<StubDomainEvent>(
aggregateIdentifier, 0, new StubDomainEvent())));
long start = System.currentTimeMillis();
for (int i = 0; i < COMMAND_COUNT; i++) {
CommandMessage<StubCommand> command =
new GenericCommandMessage<StubCommand>(
new StubCommand(aggregateIdentifier),
Collections.singletonMap(TARGET_AGGREGATE_PROPERTY, (Object) aggregateIdentifier));
commandBus.dispatch(command);
}
System.out.println("Finished dispatching!");
inMemoryEventStore.countDownLatch.await(5, TimeUnit.SECONDS);
long end = System.currentTimeMillis();
try {
assertEquals(
"Seems that some events are not published", 0, eventBus.publisherCountDown.getCount());
assertEquals(
"Seems that some events are not stored", 0, inMemoryEventStore.countDownLatch.getCount());
System.out.println(
"Did " + ((COMMAND_COUNT * 1000L) / (end - start)) + " commands per second");
} finally {
commandBus.stop();
}
}