[infinispan-dev] Redesigning CacheStore and CacheLoader SPIs
Manik Surtani
manik at jboss.org
Mon Apr 2 10:06:23 EDT 2012
On 2 Apr 2012, at 14:57, Mircea Markus wrote:
>
> On 2 Apr 2012, at 14:45, Sanne Grinovero wrote:
>
>> On 2 April 2012 14:31, Tristan Tarrant <ttarrant at redhat.com> wrote:
>>> On 04/02/2012 03:17 PM, Mircea Markus wrote:
>>>> On 2 Apr 2012, at 14:02, Tristan Tarrant wrote:
>>>>
>>>>> I dislike the current way of configuring stores via<property>. As part of my work for ISPN-1821 I will also introduce the ability for stores to provide their own configuration parsers so that we can have more readable schemas.
>>>> That would be quite nice, as the property-based approach is very error prone. Curious how you're going to support 'dynamic' xml snippets,through some xml name spaces perhaps?
>>> Yes, just like the Spring configuration or even the AS7 configuration
>>> itself. In XSD speak they would be complex-types extending a generic
>>> "store" type.
>>
>> +1, same for the Query options: <properties /> is limiting.
>>
>>>>> Participating in JTA is obviously high on the desired list, and I'd also expose some form of batching so that intelligent cache-store can colaesce operations together for better performance.
>>>> that's a big one indeed. JTA support won't be available for all stores, e.g. cloud cache store.
>>> I think very few stores would have the ability to participate in JTA,
>>> but if a cache store can, we should definitely support it.
>>
>> Why "definitely" ? It's of course nice to have, but I'm not sure of
>> the actual value.
> the cache store is an extension of ISPN's internal storage, so if it isn't JTA compliant then ISPN configured with a cache store, as a whole, is not JTA compliant.
Not true. If Infinispan acts as a JTA proxy (which is what it currently does), then it still is JTA compliant.
--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani
Lead, Infinispan
http://www.infinispan.org
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