Java Code Examples for org.apache.lucene.analysis.CachingTokenFilter#getAttribute()

The following examples show how to use org.apache.lucene.analysis.CachingTokenFilter#getAttribute() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PhraseCountQueryBuilder.java    From pyramid with Apache License 2.0 6 votes vote down vote up 
protected Query doToQuery(QueryShardContext context) throws IOException {
//        Analyzer analyzer = context.getMapperService().searchAnalyzer();
        Analyzer analyzer = new WhitespaceAnalyzer();
        try (TokenStream source = analyzer.tokenStream(fieldName, value.toString())) {
            CachingTokenFilter stream = new CachingTokenFilter(new LowerCaseFilter(source));
            TermToBytesRefAttribute termAtt = stream.getAttribute(TermToBytesRefAttribute.class);
            if (termAtt == null) {
                return null;
            }
            List<CustomSpanTermQuery> clauses = new ArrayList<>();
            stream.reset();
            while (stream.incrementToken()) {
                Term term = new Term(fieldName, termAtt.getBytesRef());
                    clauses.add(new CustomSpanTermQuery(term));
            }
            return new PhraseCountQuery(clauses.toArray(new CustomSpanTermQuery[clauses.size()]), slop, inOrder, weightedCount);
        } catch (IOException e) {
            throw new RuntimeException("Error analyzing query text", e);
        }


    }
Example 2
Source File: TextFieldMapper.java    From crate with Apache License 2.0 5 votes vote down vote up 
private static boolean hasGaps(CachingTokenFilter stream) throws IOException {
    PositionIncrementAttribute posIncAtt = stream.getAttribute(PositionIncrementAttribute.class);
    stream.reset();
    while (stream.incrementToken()) {
        if (posIncAtt.getPositionIncrement() > 1) {
            return true;
        }
    }
    return false;
}