Package org.apache.camel.model

Examples of org.apache.camel.model.OnExceptionDefinition

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        // store the original caused exception in a property, so we can restore it later
        exchange.setProperty(Exchange.EXCEPTION_CAUGHT, e);

        // find the error handler to use (if any)
        OnExceptionDefinition exceptionPolicy = getExceptionPolicy(exchange, e);
        if (exceptionPolicy != null) {
            data.currentRedeliveryPolicy = exceptionPolicy.createRedeliveryPolicy(exchange.getContext(), data.currentRedeliveryPolicy);
            data.handledPredicate = exceptionPolicy.getHandledPolicy();
            data.continuedPredicate = exceptionPolicy.getContinuedPolicy();
            data.retryWhilePredicate = exceptionPolicy.getRetryWhilePolicy();
            data.useOriginalInMessage = exceptionPolicy.isUseOriginalMessage();

            // route specific failure handler?
            Processor processor = null;
            UnitOfWork uow = exchange.getUnitOfWork();
            if (uow != null && uow.getRouteContext() != null) {
                String routeId = uow.getRouteContext().getRoute().getId();
                processor = exceptionPolicy.getErrorHandler(routeId);
            } else if (!exceptionPolicy.getErrorHandlers().isEmpty()) {
                // note this should really not happen, but we have this code as a fail safe
                // to be backwards compatible with the old behavior
                log.warn("Cannot determine current route from Exchange with id: {}, will fallback and use first error handler.", exchange.getExchangeId());
                processor = exceptionPolicy.getErrorHandlers().iterator().next();
            }
            if (processor != null) {
                data.failureProcessor = processor;
            }

            // route specific on redelivery?
            processor = exceptionPolicy.getOnRedelivery();
            if (processor != null) {
                data.onRedeliveryProcessor = processor;
            }
        }
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        // store the original caused exception in a property, so we can restore it later
        exchange.setProperty(Exchange.EXCEPTION_CAUGHT, e);

        // find the error handler to use (if any)
        OnExceptionDefinition exceptionPolicy = getExceptionPolicy(exchange, e);
        if (exceptionPolicy != null) {
            data.currentRedeliveryPolicy = exceptionPolicy.createRedeliveryPolicy(exchange.getContext(), data.currentRedeliveryPolicy);
            data.handledPredicate = exceptionPolicy.getHandledPolicy();
            data.continuedPredicate = exceptionPolicy.getContinuedPolicy();
            data.retryWhilePredicate = exceptionPolicy.getRetryWhilePolicy();
            data.useOriginalInMessage = exceptionPolicy.isUseOriginalMessage();

            // route specific failure handler?
            Processor processor = null;
            UnitOfWork uow = exchange.getUnitOfWork();
            if (uow != null && uow.getRouteContext() != null) {
                String routeId = uow.getRouteContext().getRoute().getId();
                processor = exceptionPolicy.getErrorHandler(routeId);
            } else if (!exceptionPolicy.getErrorHandlers().isEmpty()) {
                // note this should really not happen, but we have this code as a fail safe
                // to be backwards compatible with the old behavior
                log.warn("Cannot determine current route from Exchange with id: {}, will fallback and use first error handler.", exchange.getExchangeId());
                processor = exceptionPolicy.getErrorHandlers().iterator().next();
            }
            if (processor != null) {
                data.failureProcessor = processor;
            }

            // route specific on redelivery?
            processor = exceptionPolicy.getOnRedelivery();
            if (processor != null) {
                data.onRedeliveryProcessor = processor;
            }
        }
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        // store the original caused exception in a property, so we can restore it later
        exchange.setProperty(Exchange.EXCEPTION_CAUGHT, e);

        // find the error handler to use (if any)
        OnExceptionDefinition exceptionPolicy = getExceptionPolicy(exchange, e);
        if (exceptionPolicy != null) {
            data.currentRedeliveryPolicy = exceptionPolicy.createRedeliveryPolicy(exchange.getContext(), data.currentRedeliveryPolicy);
            data.handledPredicate = exceptionPolicy.getHandledPolicy();
            data.continuedPredicate = exceptionPolicy.getContinuedPolicy();
            data.retryWhilePredicate = exceptionPolicy.getRetryWhilePolicy();
            data.useOriginalInMessage = exceptionPolicy.isUseOriginalMessage();
            data.asyncDelayedRedelivery = exceptionPolicy.isAsyncDelayedRedelivery(exchange.getContext());

            // route specific failure handler?
            Processor processor = null;
            UnitOfWork uow = exchange.getUnitOfWork();
            if (uow != null && uow.getRouteContext() != null) {
                String routeId = uow.getRouteContext().getRoute().getId();
                processor = exceptionPolicy.getErrorHandler(routeId);
            } else if (!exceptionPolicy.getErrorHandlers().isEmpty()) {
                // note this should really not happen, but we have this code as a fail safe
                // to be backwards compatible with the old behavior
                log.warn("Cannot determine current route from Exchange with id: {}, will fallback and use first error handler.", exchange.getExchangeId());
                processor = exceptionPolicy.getErrorHandlers().iterator().next();
            }
            if (processor != null) {
                data.failureProcessor = processor;
            }

            // route specific on redelivery?
            processor = exceptionPolicy.getOnRedelivery();
            if (processor != null) {
                data.onRedeliveryProcessor = processor;
            }
        }
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     *
     * @param exceptions list of exceptions to catch
     * @return the builder
     */
    public OnExceptionDefinition onException(Class... exceptions) {
        OnExceptionDefinition last = null;
        for (Class ex : exceptions) {
            last = last == null ? onException(ex) : last.onException(ex);
        }
        return last != null ? last : onException(Exception.class);
    }
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     * Gather all route scoped services from the given route, such as route scoped error handler.
     */
    private void doGetRouteScopedServices(List<Service> services, Route route) {
        for (ProcessorDefinition output : route.getRouteContext().getRoute().getOutputs()) {
            if (output instanceof OnExceptionDefinition) {
                OnExceptionDefinition onExceptionDefinition = (OnExceptionDefinition) output;
                if (onExceptionDefinition.isRouteScoped()) {
                    Processor errorHandler = onExceptionDefinition.getErrorHandler(route.getId());
                    if (errorHandler != null && errorHandler instanceof Service) {
                        services.add((Service) errorHandler);
                    }
                }
            } else if (output instanceof OnCompletionDefinition) {
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        List<Class> exceptions = new ArrayList<Class>();
        exceptions.add(ChildException.class);
        exceptions.add(ParentException.class);

        ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
        support.addExceptionPolicy(null, new OnExceptionDefinition(exceptions));

        assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 1));
    }
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        List<Class> exceptions = new ArrayList<Class>();
        exceptions.add(ParentException.class);
        exceptions.add(ChildException.class);

        ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
        support.addExceptionPolicy(null, new OnExceptionDefinition(exceptions));

        assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 1));
        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
    }
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        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
    }

    public void testTwoPolicyChildFirst() {
        ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
        support.addExceptionPolicy(null, new OnExceptionDefinition(ChildException.class));
        support.addExceptionPolicy(null, new OnExceptionDefinition(ParentException.class));

        assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
    }
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        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
    }

    public void testTwoPolicyChildLast() {
        ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
        support.addExceptionPolicy(null, new OnExceptionDefinition(ParentException.class));
        support.addExceptionPolicy(null, new OnExceptionDefinition(ChildException.class));

        assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
        assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
    }
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        // store the original caused exception in a property, so we can restore it later
        exchange.setProperty(Exchange.EXCEPTION_CAUGHT, e);

        // find the error handler to use (if any)
        OnExceptionDefinition exceptionPolicy = getExceptionPolicy(exchange, e);
        if (exceptionPolicy != null) {
            data.currentRedeliveryPolicy = exceptionPolicy.createRedeliveryPolicy(exchange.getContext(), data.currentRedeliveryPolicy);
            data.handledPredicate = exceptionPolicy.getHandledPolicy();
            data.continuedPredicate = exceptionPolicy.getContinuedPolicy();
            data.retryWhilePredicate = exceptionPolicy.getRetryWhilePolicy();
            data.useOriginalInMessage = exceptionPolicy.getUseOriginalMessagePolicy();
            data.asyncDelayedRedelivery = exceptionPolicy.isAsyncDelayedRedelivery();

            // route specific failure handler?
            Processor processor = exceptionPolicy.getErrorHandler();
            if (processor != null) {
                data.failureProcessor = processor;
            }
            // route specific on redelivery?
            processor = exceptionPolicy.getOnRedelivery();
            if (processor != null) {
                data.onRedeliveryProcessor = processor;
            }
        }
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Related Classes of org.apache.camel.model.OnExceptionDefinition

  • org.apache.camel.builder.ErrorHandlerBuilder
  • org.apache.camel.builder.RouteBuilder
  • org.apache.camel.Expression
  • org.apache.camel.impl.RouteService
  • org.apache.camel.language.constant.ConstantLanguage
  • org.apache.camel.Predicate
  • org.apache.camel.Processor
  • org.apache.camel.processor.CatchProcessor
  • org.apache.camel.processor.DeadLetterChannel
  • org.apache.camel.processor.DefaultErrorHandler
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