Hi Uwe, It worked thanks.
--Thanks and Regards Vaijanath On Sun, Apr 15, 2012 at 4:08 AM, Uwe Schindler <[email protected]> wrote: > Hi,**** > > ** ** > > the internal weight (may) return null for the scorer, if the query hits no > documents. This is just a shortcut. So you have to check, if your query > really returns any results.**** > > ** ** > > About your code in general: You don’t need to do all this, to modify the > score of an existing query use an own subclass of CustomScoreQuery from the > search.function package. You just have to subclass this query and override > getCustomScoreProvider that returns a provider class that can modify the > score of any hit from the inner query. CustomScoreQuery already implements > all the stuff you are trying to so, but in a correct way (your code is > missing correct normalization,…).**** > > ** ** > > -----**** > > Uwe Schindler**** > > H.-H.-Meier-Allee 63, D-28213 Bremen**** > > http://www.thetaphi.de**** > > eMail: [email protected]**** > > ** ** > > *From:* Vaijanath Rao [mailto:[email protected]] > *Sent:* Sunday, April 15, 2012 12:57 PM > *To:* [email protected] > *Subject:* Help with Scorer**** > > ** ** > > Hi, > > I am currently facing a problem with the scorer. What I want is to add > score to original score based on the certain logic. > > Here is snippet for the code > > public class AddAdditioanlWeight extends Weight { > > private Query internalQuery = null; > private Scorer subScorer =null; > private Weight internalWeight = null; > > > public AddAdditioanlWeight(Searcher searcher, Query query) throws > IOException { > this.internalQuery = query; > internalWeight = query.createWeight(searcher); // create weight based > on the originalQuery > } > > @Override > public Query getQuery() { > return null; > } > > @Override > public float getValue() { > return 0; > } > > @Override > public void normalize(float arg0) { > > } > > public AdditionalScorer scorer(IndexReader reader, boolean > scoreDocsInOrder, boolean topScorer) throws IOException { > subScorer = internalWeight.scorer(reader, scoreDocsInOrder, > topScorer); > // I get the subScorer as null for termQuery or PhraseQuery and > others. > > } > } > > The problem I am running into is that the subScorer is always null can > someone help me in figuring out issue with my snippet code. > > --Thanks and Regards > Vaijanath > > > -- > I am feeling fine, healthier and Happier, what about you**** > -- I am feeling fine, healthier and Happier, what about you
