[infinispan-dev] [hibernate-dev] [HSearch] DSL for Lucene queries (was: Re: Query module new

[Emmanuel Bernard]

On 28 sept. 09, at 10:48, Manik Surtani wrote:

>
> On 27 Sep 2009, at 11:26, Sanne Grinovero wrote:
>
>> Next version of Lucene will provide helpers and tools to make it easy
>> to create your own QueryParser, so that everyone can make his one
>> based on business-specific needs
>> (Everybody can already, but is not as easy).
>> So I would avoid reinventing that, and focus on a good API.
>>
>> To make this API very cool IMHO it should integrate with Hibernate
>> Search to exploit all knowledge about object mapping, declarative
>> Analyzer and Filter definitions, and so on...
>> We concluded in another thread that to make best use of this
>> information we need to give the type of what you're searching for  
>> as a
>> parameter, so that from the specific
>> mapping the analyzers, fields and fieldbridges can be matched.
>> Should be fine, it means we can provide typesafe results?
>
> Are you suggesting that this is made to be specific to Hibernate
> Search, rather than more generic, for Lucene?  As far as Infinispan is
> concerned I couldn't care either way since we just depend on HS.

Yes, if you check the thread history we've discussed the benefits of  
tying the DSL to Hibernate Search's metadata. We could basically save  
a lot of pain points like analyzers and type conversion for users (and  
we can't if we stay pure Lucene based).