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

Navin Surtani nsurtani at redhat.com
Fri Sep 25 10:12:37 EDT 2009

Just wanted to get this topic re-started again.

Essentially what I think this project/DSL/module/thingy-bob is thought  
to become: -

A simple package where a user can build Lucene queries without having  
to know too much about Lucene itself. If I'm headed down the wrong  
thought path then just thwack me.

On 26 Aug 2009, at 21:08, Hardy Ferentschik wrote:

> On Wed, 2009-08-26 at 13:39 +0200, Emmanuel Bernard wrote:
>> I've been thinking about a DSL to build Lucene queries in the last
>> day.
>> What do you think of this proposal?
> What do you really gain compared to native Lucene queries?

What's gained I believe is the fact that people can build complex  
lucene queries easier. Currently, it's a bit clunky imo so if we  
provide a cleaner way to build them it can prove beneficial to any  
lucene user (myself included for querying on Infinispan).

Any other thoughts?

> If your API achieves exactly the same as what's possible with Lucene
> it is just a 'useless' wrapper.
> A wrapper around native Lucene queries would make sense if it could
> somehow use some of the Hibernate Search specific meta data. As an
> extreme example one could generate some meta classes a la JPA2. This  
> way
> one could ensure that you can get help with which field names are
> available.
> --Hardy
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Navin Surtani

Intern Infinispan
Intern JBoss Cache Searchable

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