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hibernator_11
 Post subject: Hibernate Search Faceting
PostPosted: Thu Sep 22, 2011 6:41 am 
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Regular

Joined: Thu Jun 16, 2011 12:03 pm
Posts: 94
Hi all,

I am having a problem with my query builder when I use polymorphism. I have an abstract class and if I try to initialize the QueryBuilder with this abstract class to make the sentence, it does not work.

In this example, BookEntity is the abstract class.

Is there other way to create the facets or I must use the querybuilder to create the facets?

Code:
builder = fullTextSession.getSearchFactory()
             .buildQueryBuilder()
             .forEntity(BookEntity.class).get();

autorityFacetingRequest = builder.facet().name("Autority")
                                               .onField("autorityName.autorityname_untokenized").discrete()
                                               .orderedBy(FacetSortOrder.COUNT_DESC)
                                               .includeZeroCounts(false).createFacetingRequest();


Thanks in advance.
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hardy.ferentschik
 Post subject: Re: Hibernate Search Faceting
PostPosted: Thu Sep 22, 2011 7:49 am 
Hibernate Team
Hibernate Team

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

the code to create the facet it correct. What is your problem with it?
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hibernator_11
 Post subject: Re: Hibernate Search Faceting
PostPosted: Thu Sep 22, 2011 8:06 am 
Regular
Regular

Joined: Thu Jun 16, 2011 12:03 pm
Posts: 94
The problem is that when i try to create the QueryBuilder from an abstract class it does not work...

I have to do it with the child classes and i would like to search for all of the children classes at the same time....

I think that QueryBuilder does not work with polymorphism..

Thanks in advance
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hibernator_11
 Post subject: Re: Hibernate Search Faceting
PostPosted: Fri Sep 23, 2011 4:24 am 
Regular
Regular

Joined: Thu Jun 16, 2011 12:03 pm
Posts: 94
Hi,

As i told you, if I create my QueryBuilder from an abstract class like BookEntity, it does not work and give me this exception:

java.lang.IllegalArgumentException: Entity for which to retrieve the scoped analyzer is not an @Indexed entity: com.cervantesvirtual.entity.BookEntity

I would like to search for my abstract parent class and get all my results.

Thanks in advance.
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hardy.ferentschik
 Post subject: Re: Hibernate Search Faceting
PostPosted: Fri Sep 23, 2011 4:57 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
Can you provide you annotated code? Or create a test case?
Generally though, abstract classes are not indexed. Have you tried to have a non abstract base class?

--Hardy
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hibernator_11
 Post subject: Re: Hibernate Search Faceting
PostPosted: Fri Sep 23, 2011 8:08 am 
Regular
Regular

Joined: Thu Jun 16, 2011 12:03 pm
Posts: 94
Hi,

My QueryBuilder code is:

Code:
    this.fullTextSession = Search.getFullTextSession(this.session);
    this.parser = new MultiFieldQueryParser(luceneVersion, campos, fullTextSession.getSearchFactory().getAnalyzer("myCapsFilter"));
                       
    this.query = parser.parse(this.q);

    this.builder = fullTextSession.getSearchFactory().buildQueryBuilder().forEntity(BookEntity.class).get();


If I use @Indexed in my abstract BookEntity class, i get this error:

Entity for which to retrieve the scoped analyzer is not an @Indexed entity: com.cervantesvirtual.entity.BookEntity


Then, If I use @Indexed and change BookEntity to a normal class then everything works fine. But I would like to maintain my parent class as abstract...it would be possible?

In this case i just have in my lucene indexes the parent class. What if i want to search in my child classes directly?

Thanks in advance.
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