コード例 #1
0
        public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
        {
            var fields     = readerContext.AtomicReader.Fields;
            var terms      = fields.GetTerms(m_indexedField);
            var searcher   = (IndexSearcher)context["searcher"];
            var similarity = IDFValueSource.AsTFIDF(searcher.Similarity, m_indexedField);

            if (similarity == null)
            {
                throw new NotSupportedException("requires a TFIDFSimilarity (such as DefaultSimilarity)");
            }

            return(new SingleDocValuesAnonymousInnerClassHelper(this, this, terms, similarity));
        }
コード例 #2
0
        public override FunctionValues GetValues(IDictionary context, AtomicReaderContext readerContext)
        {
            var             searcher   = (IndexSearcher)context["searcher"];
            TFIDFSimilarity similarity = IDFValueSource.AsTFIDF(searcher.Similarity, m_field);

            if (similarity == null)
            {
                throw new NotSupportedException("requires a TFIDFSimilarity (such as DefaultSimilarity)");
            }

            NumericDocValues norms = readerContext.AtomicReader.GetNormValues(m_field);

            if (norms == null)
            {
                return(new ConstDoubleDocValues(0.0, this));
            }

            return(new SingleDocValuesAnonymousInnerClassHelper(this, this, similarity, norms));
        }