There is API on CamelContext to create a new consumer template. Then
you can create it once, and re-use it.
A bit like reusing a producer template as stated in this FAQ
http://camel.apache.org/why-does-camel-use-too-many-threads-with-producertemplate.html

On Mon, Nov 21, 2011 at 5:38 PM, Carlos Manuel Figueiredo
<carlos-m-figueir...@ext.ptinovacao.pt> wrote:
> How do I use ConsumerTemplate?
>
> This is my attempt. Created a new Processor:
>
> // Dequeue
> .when(and(header("CamelHttpUri").regex(".*/my-queue.*"), 
> header("CamelHttpMethod").isEqualTo("GET")))
>        .setExchangePattern(ExchangePattern.InOut)
>        .process(new InOutProcessor())
>
> And inside it I do this:
>
> private class InOutProcessor implements Processor {
>        private ConsumerTemplate consumer;
>
>        public void process(Exchange exchange) throws Exception {
>                exchange.getIn().setHeader("Content-Type", 
> constant("application/xml"));
>                consumer.receiveBody("my-queue-endpoint ");
>        }
>    }
>
> But the consumer I created is allways null and returns a NullPointer. How do 
> I initialize it?
>
> I also didn't understand what you ment whet saying I could use two inOnly 
> routes instead of one InOut. Can you give me and examples?
>
> Best regards,
> Carlos Figueiredo
>
> -----Original Message-----
> From: Christian Müller [mailto:christian.muel...@gmail.com]
> Sent: sexta-feira, 18 de Novembro de 2011 18:39
> To: users@camel.apache.org
> Subject: Re: Queue/Dequeue perfomance InOut ExchangePattern
>
> If you use an embedded broker, you should consider using the VM
> (vm://brokerName) protocol instead of TCP (tcp://localhost:61616). But this
> has nothing to do with your issue... ;-)
>
> If you have to achieve high throughput, you should consider using async
> messaging (two inOnly routes instead of one InOut). But that's what you
> do...
>
> What's about using the ConsumerTemplate to receive messages instead the
> PollConsumer? It sounds more correct for me, because you only want to
> return one messages as I understood your route...
>
> Best,
> Christian
>



-- 
Claus Ibsen
-----------------
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