Examples with Either org.mule.runtime.core.api.functional.Either used on opensource projects

Example 1 with Either

use of org.mule.runtime.core.api.functional.Either in project mule by mulesoft.

the class CompositeSourcePolicyTestCase method nextProcessorExecutionFailurePropagates.

@Test
public void nextProcessorExecutionFailurePropagates() throws Exception {
    RuntimeException policyException = new RuntimeException("policy failure");
    reset(flowExecutionProcessor);
    when(flowExecutionProcessor.apply(any())).thenAnswer(invocation -> {
        Mono<CoreEvent> mono = from(invocation.getArgumentAt(0, Publisher.class));
        mono.doOnNext(event -> ((BaseEventContext) event.getContext()).error(new MessagingException(event, policyException))).subscribe();
        return empty();
    });
    compositeSourcePolicy = new CompositeSourcePolicy(asList(firstPolicy, secondPolicy), sourcePolicyParametersTransformer, sourcePolicyProcessorFactory, flowExecutionProcessor, sourceParametersTransformer);
    Either<SourcePolicyFailureResult, SourcePolicySuccessResult> sourcePolicyResult = from(compositeSourcePolicy.process(initialEvent)).block();
    assertThat(sourcePolicyResult.isLeft(), is(true));
    assertThat(sourcePolicyResult.getLeft().getMessagingException(), instanceOf(FlowExecutionException.class));
    assertThat(sourcePolicyResult.getLeft().getMessagingException().getCause(), is(policyException));
}

Example 2 with Either

use of org.mule.runtime.core.api.functional.Either in project mule by mulesoft.

the class ModuleFlowProcessingPhase method runPhase.

@Override
public void runPhase(final ModuleFlowProcessingPhaseTemplate template, final MessageProcessContext messageProcessContext, final PhaseResultNotifier phaseResultNotifier) {
    try {
        final MessageSource messageSource = messageProcessContext.getMessageSource();
        final FlowConstruct flowConstruct = (FlowConstruct) componentLocator.find(messageSource.getRootContainerLocation()).get();
        final ComponentLocation sourceLocation = messageSource.getLocation();
        final Consumer<Either<MessagingException, CoreEvent>> terminateConsumer = getTerminateConsumer(messageSource, template);
        final CompletableFuture<Void> responseCompletion = new CompletableFuture<>();
        final CoreEvent templateEvent = createEvent(template, sourceLocation, responseCompletion, flowConstruct);
        try {
            FlowProcessor flowExecutionProcessor = new FlowProcessor(template, flowConstruct.getExceptionListener(), templateEvent);
            flowExecutionProcessor.setAnnotations(flowConstruct.getAnnotations());
            final SourcePolicy policy = policyManager.createSourcePolicyInstance(messageSource, templateEvent, flowExecutionProcessor, template);
            final PhaseContext phaseContext = new PhaseContext(template, messageProcessContext, phaseResultNotifier, terminateConsumer);
            just(templateEvent).doOnNext(onMessageReceived(template, messageProcessContext, flowConstruct)).flatMap(request -> from(policy.process(request))).flatMap(policyResult -> policyResult.reduce(policyFailure(phaseContext, flowConstruct, messageSource), policySuccess(phaseContext, flowConstruct, messageSource))).doOnSuccess(aVoid -> phaseResultNotifier.phaseSuccessfully()).doOnError(onFailure(flowConstruct, messageSource, phaseResultNotifier, terminateConsumer)).doAfterTerminate(() -> responseCompletion.complete(null)).subscribe();
        } catch (Exception e) {
            from(template.sendFailureResponseToClient(new MessagingExceptionResolver(messageProcessContext.getMessageSource()).resolve(new MessagingException(templateEvent, e), muleContext), template.getFailedExecutionResponseParametersFunction().apply(templateEvent))).doOnTerminate(() -> phaseResultNotifier.phaseFailure(e)).subscribe();
        }
    } catch (Exception t) {
        phaseResultNotifier.phaseFailure(t);
    }
}

Example 3 with Either

use of org.mule.runtime.core.api.functional.Either in project mule by mulesoft.

the class DefaultPolicyManager method createSourcePolicyInstance.

@Override
public SourcePolicy createSourcePolicyInstance(Component source, CoreEvent sourceEvent, Processor flowExecutionProcessor, MessageSourceResponseParametersProcessor messageSourceResponseParametersProcessor) {
    PolicyPointcutParameters sourcePointcutParameters = policyPointcutParametersManager.createSourcePointcutParameters(source, sourceEvent);
    List<Policy> parameterizedPolicies = policyProvider.findSourceParameterizedPolicies(sourcePointcutParameters);
    if (parameterizedPolicies.isEmpty()) {
        return event -> from(process(event, flowExecutionProcessor)).defaultIfEmpty(CoreEvent.builder(sourceEvent).message(of(null)).build()).<Either<SourcePolicyFailureResult, SourcePolicySuccessResult>>map(flowExecutionResult -> right(new SourcePolicySuccessResult(flowExecutionResult, () -> messageSourceResponseParametersProcessor.getSuccessfulExecutionResponseParametersFunction().apply(flowExecutionResult), messageSourceResponseParametersProcessor))).onErrorResume(Exception.class, e -> {
            MessagingException messagingException = e instanceof MessagingException ? (MessagingException) e : new MessagingException(event, e, (Component) flowExecutionProcessor);
            return just(Either.left(new SourcePolicyFailureResult(messagingException, () -> messageSourceResponseParametersProcessor.getFailedExecutionResponseParametersFunction().apply(messagingException.getEvent()))));
        });
    }
    return new CompositeSourcePolicy(parameterizedPolicies, lookupSourceParametersTransformer(source.getLocation().getComponentIdentifier().getIdentifier()), sourcePolicyProcessorFactory, flowExecutionProcessor, messageSourceResponseParametersProcessor);
}