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From Claus Straube <>
Subject Re: Idempotent consumer question
Date Tue, 21 Jun 2011 12:34:13 GMT

 Hi Mirko,

 What do you mean with previous answer? There're two answers: true or 
 false. If you send 'A' twice and you will get true both times, the this 
 is no idempotent consumer pattern.

 Best regards - Claus

 Am Dienstag, den 21.06.2011, 14:19 +0200 schrieb Mirko Caserta 
> Hello there,
> a common requirement in my business is to provide a service with an
> idempotent cache. That means that when a request that has already 
> been
> processed gets into the service, instead of discarding the request 
> (as
> currently implemented in the EIP component), the service should look
> up in the cache and return the previous answer.
> Because I'll need to reuse this thing in different projects, I was
> wondering which would be the best choice for implementing this. I'm
> willing to contribute patches of course if I get to implement this.
> Thanks in advance.
> Mirko

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