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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: How to write a singleton producer
Date Wed, 20 Apr 2011 09:00:04 GMT
On Wed, Apr 20, 2011 at 10:20 AM, andrew.cowper <mr.bloat@gmail.com> wrote:
> Thnaks for your answer Ben, I actually already have that reference in my
> Producer class. The real issue is that I need to call a specific method
> (activate) on the datasource when a certain sentinel message has been
> received once from each route. That is why I want a singleton Producer, so
> that it can count the sentinel messages and activate the datasource when
> they have all been received.
>
> If there are other ways to go about this, as a Camel newbie I'd be
> interested in any advice.
>

Just return the shared instance of your producer from the
createProducer method on your custom endpoint.


> Thanks a lot
> Andrew
>
>
> ben.oday wrote:
>>
>> I don't think you want to cache the Producer or you'll loose the
>> configuration for subsequent routes (as well as causing other issues I
>> imagine).  Instead, I'd try to use a static (thread-safe) reference to
>> your datasource in your custom Producer class that can be shared across
>> instances.
>>
>>
>> andrew.cowper wrote:
>>>
>>> I am trying to have two routes which go to the same producer. Camel is
>>> creating two instances of the Producer though.
>>>
>>> How do I stop it doing that? Do I have to write code in my EndPoint to
>>> cache the Producer, and return the existing one when it is requested the
>>> second time? I was expecting camel to be able to cache the Producer for
>>> me.
>>>
>>
>
>
> --
> View this message in context: http://camel.465427.n5.nabble.com/How-to-write-a-singleton-producer-tp4313843p4315208.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
>



-- 
Claus Ibsen
-----------------
FuseSource
Email: cibsen@fusesource.com
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CamelOne 2011: http://fusesource.com/camelone2011/
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Blog: http://davsclaus.blogspot.com/
Author of Camel in Action: http://www.manning.com/ibsen/

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