[hibernate-issues] [Hibernate-JIRA] Updated: (HSEARCH-74) Ability to extract meta-information about search result
Emmanuel Bernard (JIRA)
noreply at atlassian.com
Tue Jun 19 18:15:52 EDT 2007
[ http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-74?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Emmanuel Bernard updated HSEARCH-74:
------------------------------------
Assignee: John Griffin
Fix Version/s: 3.0.0.beta4
John is on it
> Ability to extract meta-information about search result
> -------------------------------------------------------
>
> Key: HSEARCH-74
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-74
> Project: Hibernate Search
> Issue Type: New Feature
> Components: engine
> Affects Versions: 3.0.0.beta2
> Reporter: Christian Bauer
> Assignee: John Griffin
> Fix For: 3.0.0.beta4
>
>
> I need the score of a hit. The only time when this information is available seems to be in FullTextQueryImpl.java in line 219:
> for ( int index = first; index <= max; index++ ) {
> Document document = hits.doc( index );
> infos.add( extractor.extract( document ) );
> }
> Not sure what the API would look like and what other information from each Hit object would be considered metadata, except the score and maybe boost. Maybe this can be covered with magic projection properties, something like:
> org.hibernate.search.FullTextQuery query = s.createFullTextQuery( luceneQuery, Book.class );
> query.setIndexProjection( "hsearchScore", "this" );
> List results = query.list();
> Object[] firstResult = (Object[]) results.get(0);
> Double score = firstResult[0];
> Book book = firstResult[1];
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