[hibernate-issues] [Hibernate-JIRA] Created: (HSEARCH-112) Unkown @FullTextFilter when attempting to associate a filter

[Gerard Toonstra (JIRA)]

Unkown @FullTextFilter  when attempting to associate a filter
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                 Key: HSEARCH-112
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-112
             Project: Hibernate Search
          Issue Type: Bug
          Components: engine
    Affects Versions: 3.0.0.beta4
         Environment: Linux Ubuntu 7.04 / JDK 1.5.
            Reporter: Gerard Toonstra


I am using Hibernate Search 3.0.0 Beta 4. This version for me offers functionality that I'd like to use, which is the "enableFullTextFilter" calls. I followed the instructions as per the example. I have multiple entities declared in my Hibernate space, but only one entity that has FullTextFilterDef settings. When searching on that entity using the Filter restriction, the "enableFullTextFilter" call results in a SearchException: 

[WARN] StandardContext[]Exception while dispatching incoming RPC call
com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public abstract net.sf.pdune.client.dto.IssueBriefDTO[] net.sf.pdune.client.services.IssueService.search(java.lang.String,int,int) throws net.sf.pdune.client.UIException' threw an unexpected exception: org.hibernate.search.SearchException: Unkown @FullTextFilter: project
   at com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:268)
   at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:366)
   at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:222)
   at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:174)

I think this is due to the fact that the SearchFactoryImpl class recreates the filterDefinitions map on each call of bindFilterDefs: 

public class SearchFactoryImpl implements SearchFactoryImplementor {
        ...
   private void bindFilterDefs(XClass mappedXClass) {
      filterDefinitions = new HashMap<String, FilterDef>();
        ...
}

My code where I am declaring the filter: 

@Entity
@Table(name="ISSUE")
@Indexed(index="issue")
@FullTextFilterDef(name = IssueProjectFilterFactory.FILTER_NAME, impl = IssueProjectFilterFactory.class)
@SequenceGenerator( name="ISSUE_SEQ", sequenceName="seq_issue")
public class Issue extends PersistentObject implements Comparable

and the query code: 

   org.apache.lucene.search.Query luceneQuery = MultiFieldQueryParser.parse( query, Issue.FIELDS, flags, analyzer );
         FullTextQuery fullTextQuery = fullTextSession.createFullTextQuery( luceneQuery, Issue.class );
         fullTextQuery.enableFullTextFilter( IssueProjectFilterFactory.FILTER_NAME ).setParameter(
            IssueProjectFilterFactory.PARAM_NAME, projects );

This logically does not happen when there is only one class being mapped in Hibernate, globally, since the map would not be emptied of the others.

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