[hibernate-issues] [Hibernate-JIRA] Commented: (HSEARCH-221) Get Lucene Analyzer runtime (indexing)

[Sanne Grinovero (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_30557 ] 

Sanne Grinovero commented on HSEARCH-221:
-----------------------------------------

Hi, I agree this feature is much needed in Hibernate Search.
Could you provide code without copyrights? ;-)

Why would you recommend to have factories in an entity?
I would love to see an annotation like @Language that identifies
the language for an entity, then user should plug it's own factory,
having an interface like 
"Analyzer getAnalyzer(Object languageIdentifier)"

where the Object type is whatever type the @Language methods
return.
I think that separating the factory could give you more flexibility
and enable some good performance, initializing costly resources.
Also I think you'll probably want a single language-ecoding convention
across an application, not multiple.

> Get Lucene Analyzer runtime (indexing)
> --------------------------------------
>
>                 Key: HSEARCH-221
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-221
>             Project: Hibernate Search
>          Issue Type: Improvement
>    Affects Versions: 3.0.1.GA
>            Reporter: Kenneth Christensen
>             Fix For: 3.1.0.Beta1
>
>         Attachments: AddLuceneWork.java, diff-jms.txt, diff.txt, DocumentBuilder.java, EntityInstanceAnalyzer.java, Flyer.java, Flyer.java, Flyer.java-JMS, hibernate-search-v2.zip, hibernate-search.zip, LuceneWorker.java, TestBean.java
>
>
> I'm writing a multi-language application and I have choose to use Hibernate Search.
> But it looks like Hibernate Search have some limitations in multi-language applications.
> I need to use the SnowballAnalyzer and create the instance at runtime because I only know the language at runtime.
> It really looks like Hibernate Search don't support runtime created analyzers for entity instances.
> I have extended Hibernate Search to support the above issue - maybe you could include the code in Hibernate Search or implement something similarly.
> I really need this feature/improvement :-)
> Please see attached files.
> Flyer - Entity used in test
> TestBean - SessionBean used in test
> org.hibernate.search.backend.impl.lucene.LuceneWorker - Added code to support entity instance analyzer, see performWork(AddLuceneWork work, DirectoryProvider provider) and add(Class entity, Serializable id, Document document, DirectoryProvider provider, Analyzer analyzer).
> org.hibernate.search.backend.AddLuceneWork - Added code to support analyzer.
> org.hibernate.search.engine.DocumentBuilder - Added code to support entity instance analyzer, see addWorkToQueue(Class entityClass, T entity, Serializable id, WorkType workType, List<LuceneWork> queue, SearchFactoryImplementor searchFactoryImplementor).

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