Examples of org.axonframework.eventstore.EventStore

org.axonframework.eventstore.EventStore
Abstraction of the event storage mechanism. Domain Events are stored and read as {@link org.axonframework.domain.DomainEventStream streams}. @author Allard Buijze @since 0.1

 */
public class RunDisruptorCommandBus {


    public static void main(String[] args) throws InterruptedException {
        // 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 register the event handlers

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        // the CommandGateway provides a friendlier API to send commands
        CommandGateway commandGateway = new DefaultCommandGateway(commandBus);


        // 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

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        // the CommandGateway provides a friendlier API to send commands
        CommandGateway commandGateway = new DefaultCommandGateway(commandBus);


        // 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

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        // we start the application context
        ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("upcaster-config.xml");


        // we fetch the EventStore from the application context
        EventStore eventStore = applicationContext.getBean(EventStore.class);


        // we append some events. Notice we append a "ToDoItemCreatedEvent".
        eventStore.appendEvents("UpcasterSample", new SimpleDomainEventStream(
                new GenericDomainEventMessage("todo1", 0, new ToDoItemCreatedEvent("todo1", "I need to do this today")),
                new GenericDomainEventMessage("todo1", 1, new ToDoItemCompletedEvent("todo1"))
        ));
        eventStore.appendEvents("UpcasterSample", new SimpleDomainEventStream(
                new GenericDomainEventMessage("todo2", 0, new ToDoItemCreatedEvent("todo2", "I also need to do this"))
        ));




        // now, we read the events from the "todo1" stream
        DomainEventStream upcastEvents = eventStore.readEvents("UpcasterSample", "todo1");
        while (upcastEvents.hasNext()) {
            // and print them, so that we can see what we ended up with
            System.out.println(upcastEvents.next().getPayload().toString());
        }
        IOUtils.closeQuietlyIfCloseable(upcastEvents);

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        aggregate.apply(new StubDomainEvent());
    }


    @Test
    public void testSaveEventsWithDecorators() {
        testSubject = new EventSourcingRepository<TestAggregate>(stubAggregateFactory, new EventStore() {
            @Override
            public void appendEvents(String type, DomainEventStream events) {
                while (events.hasNext()) {
                    events.next();
                }

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        eventBus = new SimpleEventBus();
        eventBus.subscribe(new LoggingEventListener(events));
        events.clear();


        EventStore eventStore = new FileSystemEventStore(new SimpleEventFileResolver(tempFolder.newFolder()));
        AggregateFactory<Aggregate> aggregateFactory = new GenericAggregateFactory<Aggregate>(Aggregate.class);
        repository = new CachingEventSourcingRepository<Aggregate>(aggregateFactory, eventStore);
        repository.setEventBus(eventBus);


        uowFactory = new DefaultUnitOfWorkFactory();

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        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);
        stubHandler.setRepository(testSubject

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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);
        stubHandler.setRepository(testSubject

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        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);
        stubHandler.setRepository(testSubject

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Related Classes of org.axonframework.eventstore.EventStore

org.axonframework.commandhandling.disruptor.DisruptorCommandBusTest

org.axonframework.eventsourcing.CachingRepositoryWithNestedUnitOfWorkTest

org.axonframework.eventsourcing.EventSourcingRepositoryTest

org.axonframework.quickstart.RunAnnotatedAggregate

org.axonframework.quickstart.RunBasicCommandHandling

org.axonframework.quickstart.RunDisruptorCommandBus

org.axonframework.quickstart.RunUpcasterWithSpring

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