Examples of org.axonframework.repository.OptimisticLockManager

org.axonframework.repository.OptimisticLockManager
Implementation of the {@link LockManager} that uses an optimistic locking strategy. It uses the sequence number ofthe last committed event to detect concurrent access.
Classes that use a repository with this strategy must implement any retry logic themselves. Use the {@link ConcurrencyException} to detect concurrent access. @author Allard Buijze @see org.axonframework.eventsourcing.EventSourcedAggregateRoot @see ConcurrencyException @since 0.3

    }


    @Test(timeout = 60000)
    public void testOptimisticLocking() throws Throwable {
        // unfortunately, we cannot use @Before on the setUp, because of the TemporaryFolder
        initializeRepository(new OptimisticLockManager());
        long lastSequenceNumber = executeConcurrentModifications(CONCURRENT_MODIFIERS);
        assertTrue("Expected at least one successful modification. Got " + getSuccessfulModifications(),
                   getSuccessfulModifications() >= 1);
        int expectedEventCount = getSuccessfulModifications() * 2;
        assertTrue("It seems that no events have been published at all", lastSequenceNumber >= 0);

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        verify(eventStore, times(3)).appendEvents(eq("CountingAggregate"), isA(DomainEventStream.class));
    }


    @Test
    public void testLoopBackKeepsProperEventOrder_OptimisticLocking() throws Throwable {
        initializeRepository(new OptimisticLockManager());
        EventListener el = new EventListener() {
            @Override
            public void handle(EventMessage event) {
                DomainEventMessage domainEvent = (DomainEventMessage) event;
                if (event.getPayload() instanceof CounterChangedEvent) {

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        verify(eventStore, times(3)).appendEvents(eq("CountingAggregate"), isA(DomainEventStream.class));
    }


    @Test
    public void testLoopBackKeepsProperEventOrder_OptimisticLocking_ProcessingFails() throws Throwable {
        initializeRepository(new OptimisticLockManager());
        EventListener el = new EventListener() {
            @Override
            public void handle(EventMessage event) {
                DomainEventMessage domainEvent = (DomainEventMessage) event;
                if (event.getPayload() instanceof CounterChangedEvent) {

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Related Classes of org.axonframework.repository.OptimisticLockManager

org.axonframework.eventsourcing.EventSourcingRepositoryIntegrationTest

org.axonframework.integrationtests.loopbacktest.synchronous.SynchronousLoopbackTest

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