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Filtering on a entity with a collection containing enum

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chrisjroyce

Post subject: Filtering on a entity with a collection containing enum

Posted: Sat Aug 13, 2011 12:06 pm

Newbie

Joined: Mon Oct 12, 2009 8:28 am
Posts: 2

Hello,

I have hibernate search working perfect in that it indexes everything and I can find all I require to.

I now wish to add some filters to the query / overall results such that I remove the items which are not applicable.

Entity1

Code:

@ElementCollection(targetClass = Type.class, fetch = FetchType.EAGER)
@Enumerated(EnumType.STRING)
private Set<Type> types = new HashSet<Type>();

Code:

FullTextQuery fq = fullTextEntityManager.createFullTextQuery(query, Entity1.class, Entity2.class, Entity3.class, Entity4.class);

I've read a bit about adding filters using

Code:

fq.enableFullTextFilter(arg0)

But haven't seen much in how I define my filter in the entity such that I can pass in a Type value and only get search results for that type.

Does anyone have any pointers please?

Chris

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hardy.ferentschik

Post subject: Re: Filtering on a entity with a collection containing enum

Posted: Sun Aug 14, 2011 3:09 pm

Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden

Hi,

have you looked at FulltextFilderDef and the security filter example - http://docs.jboss.org/hibernate/stable/ ... ery-filter ?

You pass a parameter to the filter when you enable it:

Code:

fullTextQuery = s.createFullTextQuery( query, Driver.class );
fullTextQuery.enableFullTextFilter("security").setParameter( "level", 5 );

Also notice that there is no support for @ElementCollection yet. It is in the making though - https://hibernate.onjira.com/browse/HSEARCH-566
For now you need to write a custom bridge to index your element collection in case it plays a role in your filtering.

Hope this helps,
Hardy

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