Exemplo n.º 1
0
            // NOTE: The Weight.Scorer method lost the scoreDocsInOrder and topScorer parameters between
            // Lucene 4.3.0 and 4.8.0. They are not used by BoboBrowse anyway, so the code here diverges
            // from the original Java source to remove these two parameters.

            // public override Scorer Scorer(AtomicReaderContext context, bool scoreDocsInOrder, bool topScorer, Bits acceptDocs)
            public override Scorer GetScorer(AtomicReaderContext context, IBits acceptDocs)
            {
                AtomicReader reader = context.AtomicReader;

                if (reader is BoboSegmentReader)
                {
                    BoboSegmentReader boboReader = (BoboSegmentReader)reader;
                    IFacetHandler     fhandler   = boboReader.GetFacetHandler(m_parent.m_name);
                    if (fhandler != null)
                    {
                        DocIdSetIterator   dociter = null;
                        RandomAccessFilter filter  = fhandler.BuildFilter(m_parent.m_sel);
                        if (filter != null)
                        {
                            RandomAccessDocIdSet docset = filter.GetRandomAccessDocIdSet(boboReader);
                            if (docset != null)
                            {
                                dociter = BuildIterator(docset, boboReader, acceptDocs);
                            }
                        }
                        if (dociter == null)
                        {
                            dociter = new MatchAllDocIdSetIterator(reader, acceptDocs);
                        }
                        BoboDocScorer scorer = null;
                        if (fhandler is IFacetScoreable)
                        {
                            scorer = ((IFacetScoreable)fhandler).GetDocScorer(boboReader, m_parent.m_scoringFactory, m_parent.m_boostMap);
                        }
                        return(new FacetTermScorer(m_parent, m_similarity, dociter, scorer));
                    }
                    else
                    {
                        logger.Error("FacetHandler is not defined for the field: " + m_parent.m_name);
                    }
                    return(null);
                }
                else
                {
                    throw new IOException("index reader not instance of " + typeof(BoboSegmentReader));
                }
            }
Exemplo n.º 2
0
 public override Scorer Scorer(IndexReader reader, bool scoreDocsInOrder, bool topScorer)
 {
     if (reader is BoboIndexReader)
     {
         BoboIndexReader boboReader = (BoboIndexReader)reader;
         TermDocs        termDocs   = boboReader.TermDocs(null);
         IFacetHandler   fhandler   = boboReader.GetFacetHandler(parent._name);
         if (fhandler != null)
         {
             DocIdSetIterator   dociter = null;
             RandomAccessFilter filter  = fhandler.BuildFilter(parent._sel);
             if (filter != null)
             {
                 RandomAccessDocIdSet docset = filter.GetRandomAccessDocIdSet(boboReader);
                 if (docset != null)
                 {
                     dociter = BuildIterator(docset, termDocs);
                 }
             }
             if (dociter == null)
             {
                 dociter = new MatchAllDocIdSetIterator(reader);
             }
             BoboDocScorer scorer = null;
             if (fhandler is IFacetScoreable)
             {
                 scorer = ((IFacetScoreable)fhandler).GetDocScorer(boboReader, parent._scoringFactory, parent._boostMap);
             }
             return(new FacetTermScorer(parent, _similarity, dociter, scorer));
         }
         else
         {
             logger.Error("FacetHandler is not defined for the field: " + parent._name);
         }
         return(null);
     }
     else
     {
         throw new IOException("index reader not instance of " + typeof(BoboIndexReader));
     }
 }