Examples with ExternalMessageClass io.spine.server.integration.ExternalMessageClass used on opensource projects

Example 1 with ExternalMessageClass

use of io.spine.server.integration.ExternalMessageClass in project core-java by SpineEventEngine.

the class AggregateRepository method onRegistered.

/**
 * {@inheritDoc}
 *
 * <p>{@linkplain io.spine.server.commandbus.CommandBus#register(
 * io.spine.server.bus.MessageDispatcher) Registers} itself with the {@code CommandBus} of the
 * parent {@code BoundedContext}.
 */
@Override
public void onRegistered() {
    super.onRegistered();
    final BoundedContext boundedContext = getBoundedContext();
    final Set<CommandClass> commandClasses = getMessageClasses();
    final DelegatingEventDispatcher<I> eventDispatcher;
    eventDispatcher = DelegatingEventDispatcher.of(this);
    final Set<EventClass> eventClasses = eventDispatcher.getMessageClasses();
    final ExternalMessageDispatcher<I> extEventDispatcher;
    extEventDispatcher = eventDispatcher.getExternalDispatcher();
    final Set<ExternalMessageClass> extEventClasses = extEventDispatcher.getMessageClasses();
    final DelegatingRejectionDispatcher<I> rejectionDispatcher;
    rejectionDispatcher = DelegatingRejectionDispatcher.of(this);
    final Set<RejectionClass> rejectionClasses = rejectionDispatcher.getMessageClasses();
    final ExternalMessageDispatcher<I> extRejectionDispatcher;
    extRejectionDispatcher = rejectionDispatcher.getExternalDispatcher();
    final Set<ExternalMessageClass> extRejectionClasses = extRejectionDispatcher.getMessageClasses();
    if (commandClasses.isEmpty() && eventClasses.isEmpty() && rejectionClasses.isEmpty() && extEventClasses.isEmpty() && extRejectionClasses.isEmpty()) {
        throw newIllegalStateException("Aggregates of the repository %s neither handle commands" + " nor react on events or rejections.", this);
    }
    registerInCommandBus(boundedContext, commandClasses);
    registerInEventBus(boundedContext, eventDispatcher, eventClasses);
    registerInRejectionBus(boundedContext, rejectionDispatcher, rejectionClasses);
    registerExtMessageDispatcher(boundedContext, extEventDispatcher, extEventClasses);
    registerExtMessageDispatcher(boundedContext, extRejectionDispatcher, extRejectionClasses);
    this.commandErrorHandler = CommandErrorHandler.with(boundedContext.getRejectionBus());
}

Example 2 with ExternalMessageClass

use of io.spine.server.integration.ExternalMessageClass in project core-java by SpineEventEngine.

the class DelegatingEventDispatcher method getExternalDispatcher.

/**
 * Wraps this dispatcher to an external event dispatcher.
 *
 * @return the external rejection dispatcher proxying calls to the underlying instance
 */
public ExternalMessageDispatcher<I> getExternalDispatcher() {
    return new ExternalMessageDispatcher<I>() {

        @Override
        public Set<ExternalMessageClass> getMessageClasses() {
            final Set<EventClass> eventClasses = delegate.getExternalEventClasses();
            return ExternalMessageClass.fromEventClasses(eventClasses);
        }

        @Override
        public Set<I> dispatch(ExternalMessageEnvelope envelope) {
            final EventEnvelope eventEnvelope = asEventEnvelope(envelope);
            final Set<I> ids = delegate.dispatchEvent(eventEnvelope);
            return ids;
        }

        @Override
        public void onError(ExternalMessageEnvelope envelope, RuntimeException exception) {
            final EventEnvelope eventEnvelope = asEventEnvelope(envelope);
            delegate.onError(eventEnvelope, exception);
        }
    };
}

Example 3 with ExternalMessageClass

use of io.spine.server.integration.ExternalMessageClass in project core-java by SpineEventEngine.

the class DelegatingRejectionDispatcher method getExternalDispatcher.

/**
 * Wraps this dispatcher to an external rejection dispatcher.
 *
 * @return the external rejection dispatcher proxying calls to the underlying instance
 */
public ExternalMessageDispatcher<I> getExternalDispatcher() {
    return new ExternalMessageDispatcher<I>() {

        @Override
        public Set<ExternalMessageClass> getMessageClasses() {
            final Set<RejectionClass> rejectionClasses = delegate.getExternalRejectionClasses();
            return ExternalMessageClass.fromRejectionClasses(rejectionClasses);
        }

        @Override
        public Set<I> dispatch(ExternalMessageEnvelope envelope) {
            final ExternalMessage externalMessage = envelope.getOuterObject();
            final Rejection rejection = unpack(externalMessage.getOriginalMessage());
            final Set<I> ids = delegate.dispatchRejection(RejectionEnvelope.of(rejection));
            return ids;
        }

        @Override
        public void onError(ExternalMessageEnvelope envelope, RuntimeException exception) {
            final MessageClass messageClass = envelope.getMessageClass();
            final String messageId = Stringifiers.toString(envelope.getId());
            final String errorMessage = format("Error dispatching external rejection (class: %s, id: %s)", messageClass, messageId);
            log().error(errorMessage, exception);
        }
    };
}