Examples of org.axonframework.eventhandling.EventBus

org.axonframework.eventhandling.EventBus
Specification of the mechanism on which the Event Listeners can subscribe for events and event publishers can publish their events. The event bus dispatches events to all subscribed listeners.
Implementations may or may not dispatch the events to event listeners in the dispatching thread. @author Allard Buijze @see EventListener @see SimpleEventBus @see ClusteringEventBus @since 0.1


        // we'll store Events on the FileSystem, in the "events" folder
        EventStore eventStore = new FileSystemEventStore(new SimpleEventFileResolver(new File("./events")));


        // a Simple Event Bus will do
        EventBus eventBus = new SimpleEventBus();


        // we need to configure the repository
        EventSourcingRepository<ToDoItem> repository = new EventSourcingRepository<ToDoItem>(ToDoItem.class, eventStore);
        repository.setEventBus(eventBus);


        // Register the Command Handlers with the command bus by subscribing to the name of the command
        commandBus.subscribe(CreateToDoItemCommand.class.getName(),
                new CreateToDoCommandHandler(repository));
        commandBus.subscribe(MarkCompletedCommand.class.getName(),
                new MarkCompletedCommandHandler(repository));


        // We register an event listener to see which events are created
        eventBus.subscribe(new ToDoEventListener());


        // and let's send some Commands on the CommandBus using the special runner configured with our CommandGateway.
        CommandGenerator.sendCommands(commandGateway);
    }

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        verify(delegateCluster).unsubscribe(replayAware);
    }


    @Test
    public void testAnnotatedHandlersRecognized() {
        EventBus eventBus = new ClusteringEventBus(new DefaultClusterSelector(testSubject));
        MyReplayAwareListener annotatedBean = new MyReplayAwareListener();
        AnnotationEventListenerAdapter.subscribe(annotatedBean, eventBus);


        testSubject.startReplay();

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    public void testSaveAggregate_RefusedDueToLackingLock() {
        lockManager = spy(new PessimisticLockManager());
        testSubject = new InMemoryLockingRepository(lockManager);
        testSubject.setEventBus(mockEventBus);
        testSubject = spy(testSubject);
        EventBus eventBus = mock(EventBus.class);


        DefaultUnitOfWork.startAndGet();
        StubAggregate aggregate = new StubAggregate();
        aggregate.doSomething();
        testSubject.add(aggregate);

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    public void execute(JobExecutionContext context) throws JobExecutionException {
        logger.debug("Starting job to publish a scheduled event");
        Object event = context.getJobDetail().getJobDataMap().get(EVENT_KEY);
        EventMessage<?> eventMessage = createMessage(event);
        try {
            EventBus eventBus = (EventBus) context.getScheduler().getContext().get(EVENT_BUS_KEY);
            UnitOfWorkFactory unitOfWorkFactory =
                    (UnitOfWorkFactory) context.getScheduler().getContext().get(UNIT_OF_WORK_FACTORY_KEY);
            UnitOfWork uow = unitOfWorkFactory.createUnitOfWork();
            try {
                uow.publishEvent(eventMessage, eventBus);

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        final DisruptorConfiguration configuration = new DisruptorConfiguration();
        final Serializer serializer = mock(Serializer.class);
        configuration.setSerializer(serializer);
        configuration.setSerializerThreadCount(3);
        configuration.setSerializedRepresentation(Document.class);
        EventBus mockEventBus = mock(EventBus.class);
        EventStore mockEventStore = mock(EventStore.class);
        testSubject = new DisruptorCommandBus(mockEventStore, mockEventBus, configuration);
        testSubject.subscribe(StubCommand.class.getName(), stubHandler);
        testSubject.subscribe(CreateCommand.class.getName(), stubHandler);
        testSubject.subscribe(ErrorCommand.class.getName(), stubHandler);

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    @Test
    public void testSerializationOptimization_DisabledByDefault() {
        final DisruptorConfiguration configuration = new DisruptorConfiguration();
        configuration.setSerializerThreadCount(3);
        EventBus mockEventBus = mock(EventBus.class);
        EventStore mockEventStore = mock(EventStore.class);
        testSubject = new DisruptorCommandBus(mockEventStore, mockEventBus, configuration);
        testSubject.subscribe(StubCommand.class.getName(), stubHandler);
        testSubject.subscribe(CreateCommand.class.getName(), stubHandler);
        testSubject.subscribe(ErrorCommand.class.getName(), stubHandler);

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    public void testSerializationOptimization_DisabledOnZeroSerializerThreads() {
        final DisruptorConfiguration configuration = new DisruptorConfiguration();
        final Serializer serializer = mock(Serializer.class);
        configuration.setSerializer(serializer);
        configuration.setSerializerThreadCount(0);
        EventBus mockEventBus = mock(EventBus.class);
        EventStore mockEventStore = mock(EventStore.class);
        testSubject = new DisruptorCommandBus(mockEventStore, mockEventBus, configuration);
        testSubject.subscribe(StubCommand.class.getName(), stubHandler);
        testSubject.subscribe(CreateCommand.class.getName(), stubHandler);
        testSubject.subscribe(ErrorCommand.class.getName(), stubHandler);

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            return mock(EventBus.class);
        }


        @Bean
        public EventBus alternativeEventBus() {
            final EventBus mock = mock(EventBus.class);
            doThrow(new AssertionError("Should not interact with this event bus"))
                    .when(mock)
                    .subscribe(any(EventListener.class));
            return mock;
        }

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                                                                    .getValue();
        assertEquals("constructor value is wrong", AutowiringClusterSelector.class.getName(),
                     selectorDef.getBeanClassName());




        EventBus eventBus = beanFactory.getBean("eventBus", EventBus.class);
        assertNotNull(eventBus);
    }

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    @SuppressWarnings({"unchecked"})
    public AnnotatedSagaTestFixture(Class<? extends AbstractAnnotatedSaga> sagaType) {
        eventScheduler = new StubEventScheduler();
        GenericSagaFactory genericSagaFactory = new GenericSagaFactory();
        genericSagaFactory.setResourceInjector(new AutowiredResourceInjector(registeredResources));
        EventBus eventBus = new SimpleEventBus();
        InMemorySagaRepository sagaRepository = new InMemorySagaRepository();
        sagaManager = new AnnotatedSagaManager(sagaRepository, genericSagaFactory, sagaType);
        sagaManager.setSuppressExceptions(false);


        registeredResources.add(eventBus);

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org.axonframework.commandhandling.disruptor.DisruptorCommandBusTest

org.axonframework.contextsupport.spring.AnnotationDrivenConfigurationTest_CustomValues$Context

org.axonframework.contextsupport.spring.EventBusBeanDefinitionParserTest

org.axonframework.eventhandling.replay.ReplayingClusterTest

org.axonframework.eventhandling.scheduling.quartz.FireEventJob

org.axonframework.quickstart.RunAnnotatedAggregate

org.axonframework.quickstart.RunBasicCommandHandling

org.axonframework.quickstart.RunClusteringEventBus

org.axonframework.quickstart.RunClusteringEventBusWithSpring

org.axonframework.quickstart.RunDisruptorCommandBus

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