Examples of org.axonframework.domain.DomainEventStream

org.axonframework.domain.DomainEventStream
The DomainEventStream represents a stream of historical domain events. The order of events in this stream must represent the actual chronological order in which the events happened. A DomainEventStream may provide access to all events (from the first to the most recent) or any subset of these. @author Allard Buijze @since 0.1

        testSubject.appendSnapshotEvent("test", aggregate1.createSnapshotEvent());
        aggregate1.changeState();
        testSubject.appendEvents("test", aggregate1.getUncommittedEvents());
        aggregate1.commitEvents();


        DomainEventStream actualEventStream = testSubject.readEvents("test", aggregate1.getIdentifier());
        List<DomainEventMessage> domainEvents = new ArrayList<DomainEventMessage>();
        while (actualEventStream.hasNext()) {
            domainEvents.add(actualEventStream.next());
        }


        assertEquals(2, domainEvents.size());
    }

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                if (previousCount != null) {
                    return previousCount.equals(expectedCount);
                }
                long counter = 0;
                if (o instanceof DomainEventStream) {
                    DomainEventStream events = (DomainEventStream) o;
                    while (events.hasNext()) {
                        events.next();
                        counter++;
                    }
                }
                previousCount = counter;
                return counter == expectedCount;

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        aggregate1.doSomething();
        aggregate1.doSomething();
        CurrentUnitOfWork.commit();


        DefaultUnitOfWork.startAndGet();
        DomainEventStream events = mockEventStore.readEvents("mock", aggregate1.getIdentifier());
        List<EventMessage> eventList = new ArrayList<EventMessage>();
        while (events.hasNext()) {
            eventList.add(events.next());
        }
        assertEquals(3, eventList.size());
        verify(mockEventBus).publish(isA(EventMessage.class));
        verify(mockEventBus).publish(isA(EventMessage.class), isA(EventMessage.class));
        verifyNoMoreInteractions(mockEventBus);

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        };
        eventBus.subscribe(el);


        commandBus.dispatch(asCommandMessage(new ChangeCounterCommand(aggregateIdentifier, 1)), reportErrorCallback);


        DomainEventStream storedEvents = eventStore.readEvents("CountingAggregate", aggregateIdentifier);
        assertTrue(storedEvents.hasNext());
        while (storedEvents.hasNext()) {
            DomainEventMessage next = storedEvents.next();
            if (next.getPayload() instanceof CounterChangedEvent) {
                CounterChangedEvent event = (CounterChangedEvent) next.getPayload();
                assertEquals(event.getCounter(), next.getSequenceNumber());
            }
        }

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        };
        eventBus.subscribe(el);


        commandBus.dispatch(asCommandMessage(new ChangeCounterCommand(aggregateIdentifier, 1)), reportErrorCallback);


        DomainEventStream storedEvents = eventStore.readEvents("CountingAggregate", aggregateIdentifier);
        assertTrue(storedEvents.hasNext());
        while (storedEvents.hasNext()) {
            DomainEventMessage next = storedEvents.next();
            if (next.getPayload() instanceof CounterChangedEvent) {
                CounterChangedEvent event = (CounterChangedEvent) next.getPayload();
                assertEquals(event.getCounter(), next.getSequenceNumber());
            }
        }

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        };
        eventBus.subscribe(el);


        commandBus.dispatch(asCommandMessage(new ChangeCounterCommand(aggregateIdentifier, 1)), expectErrorCallback);


        DomainEventStream storedEvents = eventStore.readEvents("CountingAggregate", aggregateIdentifier);
        assertTrue(storedEvents.hasNext());
        while (storedEvents.hasNext()) {
            DomainEventMessage next = storedEvents.next();
            if (next.getPayload() instanceof CounterChangedEvent) {
                CounterChangedEvent event = (CounterChangedEvent) next.getPayload();
                assertEquals(event.getCounter(), next.getSequenceNumber());
            }
        }

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        };
        eventBus.subscribe(el);


        commandBus.dispatch(asCommandMessage(new ChangeCounterCommand(aggregateIdentifier, 1)), expectErrorCallback);


        DomainEventStream storedEvents = eventStore.readEvents("CountingAggregate", aggregateIdentifier);
        assertTrue(storedEvents.hasNext());
        while (storedEvents.hasNext()) {
            DomainEventMessage next = storedEvents.next();
            if (next.getPayload() instanceof CounterChangedEvent) {
                CounterChangedEvent event = (CounterChangedEvent) next.getPayload();
                assertEquals(event.getCounter(), next.getSequenceNumber());
            }
        }

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