Examples of org.apache.camel.AsyncProcessor.process()

org.apache.camel.AsyncProcessor.process()
Processes the message exchange. Similar to {@link Processor#process}, but the caller supports having the exchange asynchronously processed. @param exchange the {@link Exchange} to process @param callback the {@link AsyncCallback} will be invoked when the processingof the exchange is completed. If the exchange is completed synchronously, then the callback is also invoked synchronously. The callback should therefore be careful of starting recursive loop. @return true if the processing was completed synchronously.

            throw new IllegalStateException("No processors could be chosen to process CircuitBreaker");
        }


        AsyncProcessor albp = AsyncProcessorConverterHelper.convert(processor);
        // Added a callback for processing the exchange in the callback
        boolean sync = albp.process(exchange, new CircuitBreakerCallback(exchange, callback));
        
        // We need to check the exception here as albp is use sync call  
        if (sync) {
            boolean failed = hasFailed(exchange);
            if (!failed) {

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                exchange.setProperty(Exchange.FAILURE_ROUTE_ID, uow.getRouteContext().getRoute().getId());
            }


            // the failure processor could also be asynchronous
            AsyncProcessor afp = AsyncProcessorConverterHelper.convert(processor);
            sync = afp.process(exchange, new AsyncCallback() {
                public void done(boolean sync) {
                    log.trace("Failure processor done: {} processing Exchange: {}", processor, exchange);
                    try {
                        prepareExchangeAfterFailure(exchange, data, shouldHandle, shouldContinue);
                        // fire event as we had a failure processor to handle it, which there is a event for

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                EventHelper.notifyExchangeSending(exchange.getContext(), exchange, producer.getEndpoint());
            }
            // let the prepared process it, remember to begin the exchange pair
            AsyncProcessor async = AsyncProcessorConverterHelper.convert(processor);
            pair.begin();
            sync = async.process(exchange, new AsyncCallback() {
                public void done(boolean doneSync) {
                    // we are done with the exchange pair
                    pair.done();


                    // okay we are done, so notify the exchange was sent

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     */
    public boolean process(final Exchange exchange, final AsyncCallback callback) {
        final Exchange resourceExchange = createResourceExchange(exchange, ExchangePattern.InOut);


        AsyncProcessor ap = AsyncProcessorConverterHelper.convert(producer);
        boolean sync = ap.process(resourceExchange, new AsyncCallback() {
            public void done(boolean doneSync) {
                // we only have to handle async completion of the routing slip
                if (doneSync) {
                    return;
                }

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            internalProcessor.addAdvice(new CamelInternalProcessor.SubUnitOfWorkProcessorAdvice());
            target = internalProcessor;
        }


        // now let the multicast process the exchange
        return target.process(exchange, callback);
    }


    protected Endpoint resolveEndpoint(Exchange exchange, Object recipient) {
        // trim strings as end users might have added spaces between separators
        if (recipient instanceof String) {

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                EventHelper.notifyExchangeSending(exchange.getContext(), exchange, producer.getEndpoint());
            }
            // let the prepared process it, remember to begin the exchange pair
            AsyncProcessor async = AsyncProcessorConverterHelper.convert(processor);
            pair.begin();
            sync = async.process(exchange, new AsyncCallback() {
                public void done(boolean doneSync) {
                    // we are done with the exchange pair
                    pair.done();


                    // okay we are done, so notify the exchange was sent

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            internalProcessor.addAdvice(new CamelInternalProcessor.SubUnitOfWorkProcessorAdvice());
            target = internalProcessor;
        }


        // now let the multicast process the exchange
        return target.process(exchange, callback);
    }


    protected Endpoint resolveEndpoint(Exchange exchange, Object recipient) {
        // trim strings as end users might have added spaces between separators
        if (recipient instanceof String) {

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                // must decrement the redelivery counter as we didn't process the redelivery but is
                // handling by the failure handler. So we must -1 to not let the counter be out-of-sync
                decrementRedeliveryCounter(exchange);


                AsyncProcessor afp = AsyncProcessorTypeConverter.convert(data.failureProcessor);
                boolean sync = afp.process(exchange, new AsyncCallback() {
                    public void done(boolean sync) {
                        restoreExceptionOnExchange(exchange, data.handledPredicate);
                        callback.done(data.sync);
                    }
                });

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        if (LOG.isTraceEnabled()) {
            LOG.trace("RedeliveryProcessor " + redeliveryProcessor + " is processing Exchange: " + exchange + " before its redelivered");
        }


        AsyncProcessor afp = AsyncProcessorTypeConverter.convert(redeliveryProcessor);
        afp.process(exchange, new AsyncCallback() {
            public void done(boolean sync) {
                LOG.trace("Redelivery processor done");
                // do NOT call done on callback as this is the redelivery processor that
                // is done. we should not mark the entire exchange as done.
            }

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        // reset cached streams so they can be read again
        MessageHelper.resetStreamCache(exchange.getIn());


        AsyncProcessor afp = AsyncProcessorTypeConverter.convert(data.failureProcessor);
        boolean sync = afp.process(exchange, new AsyncCallback() {
            public void done(boolean sync) {
                restoreExceptionOnExchange(exchange, data.handledPredicate);


                // if the fault was handled asynchronously, this should be reflected in the callback as well
                data.sync &= sync;

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