[infinispan-dev] Distributed Executors in write mode, need reference to Cache

[Manik Surtani]

Yup, I agree.  Care to create JIRAs for these two?  I think the first one (adding a cache reference to the task) should be for 5.1.0.

On 20 Dec 2011, at 12:54, Sanne Grinovero wrote:

> On 20 December 2011 13:47, Manik Surtani <manik at jboss.org> wrote:
>> So you're suggesting that the task is registered as a CDI bean on each remote node, so that requested services can be injected?  Makes sense.  But this would have to be a part of infinispan-cdi, as an extension to what we have in DistExec.  I presume this is what you had in mind?
> 
> Yes.
> Anyway a first step would be to provide a reference to the Cache, both
> to DistExec and MapReduce tasks, this should be doable even without
> introducing infinispan-cdi; but we need a cool proposal in terms of
> API - especially if @Inject is not supported that makes it harder to
> design.
> 
> Sanne
> 
>> On 20 Dec 2011, at 12:43, Sanne Grinovero wrote:
>> 
>>> On 20 December 2011 13:35, Manik Surtani <manik at jboss.org> wrote:
>>>> What else do you think could/should be provided?
>>> 
>>> Whatever people want to do with their data.
>>> Imagine you have to update all values by using some external service
>>> which provides some needed input, or you want to find all entries by
>>> some criteria and send them over to S3 via another service, or are
>>> storing movies and want to encode them using some other tool you have
>>> - these services could be invoked each time but assuming it has some
>>> expensive initialization it's likely one wants to inject references to
>>> initialized services and pools of resources.
>>> 
>>> This user is asking for a reference for the Cache, that's the first
>>> step, but the next step is obviously to inject anything out of our
>>> control; recommending a new JNDI context + lookup per entry is likely
>>> not the most usable approach, while CDI should be simple to integrate
>>> and provide lot of value.
>>> 
>>>> 
>>>> On 19 Dec 2011, at 18:57, Sanne Grinovero wrote:
>>>> 
>>>>> Highlighting this use case:
>>>>> 
>>>>> http://community.jboss.org/message/642300#642300
>>>>> 
>>>>> As I replied on the forum, I think we might need to improve the
>>>>> DistributedExecutorService by providing access to some context to the
>>>>> Future before it's executed remotely, as having a reference to the
>>>>> Cache it's being executed on seems very useful, but it might not be
>>>>> limited to the Cache only.
>>>>> 
>>>>> I guess to make good use of it, someone might need to access just
>>>>> anything: CDI looks like a good fit?
>>>>> _______________________________________________
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>>>>> infinispan-dev at lists.jboss.org
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>>>> 
>>>> --
>>>> Manik Surtani
>>>> manik at jboss.org
>>>> twitter.com/maniksurtani
>>>> 
>>>> Lead, Infinispan
>>>> http://www.infinispan.org
>>>> 
>>>> 
>>>> 
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>> 
>> --
>> Manik Surtani
>> manik at jboss.org
>> twitter.com/maniksurtani
>> 
>> Lead, Infinispan
>> http://www.infinispan.org
>> 
>> 
>> 
>> 
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> 
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--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Lead, Infinispan
http://www.infinispan.org