org.apache.lucene.analysis.standard.StandardFilter Java Examples

The following examples show how to use org.apache.lucene.analysis.standard.StandardFilter. 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: SearchService.java    From subsonic with GNU General Public License v3.0 6 votes vote down vote up 
@Override
public TokenStream reusableTokenStream(String fieldName, Reader reader) throws IOException {
    class SavedStreams {
        StandardTokenizer tokenStream;
        TokenStream filteredTokenStream;
    }

    SavedStreams streams = (SavedStreams) getPreviousTokenStream();
    if (streams == null) {
        streams = new SavedStreams();
        setPreviousTokenStream(streams);
        streams.tokenStream = new StandardTokenizer(LUCENE_VERSION, reader);
        streams.filteredTokenStream = new StandardFilter(streams.tokenStream);
        streams.filteredTokenStream = new LowerCaseFilter(streams.filteredTokenStream);
        streams.filteredTokenStream = new StopFilter(true, streams.filteredTokenStream, STOP_WORDS_SET);
        streams.filteredTokenStream = new ASCIIFoldingFilter(streams.filteredTokenStream);
    } else {
        streams.tokenStream.reset(reader);
    }
    streams.tokenStream.setMaxTokenLength(DEFAULT_MAX_TOKEN_LENGTH);

    return streams.filteredTokenStream;
}
Example #2
Source File: NGramAnalyzer.java    From uyuni with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param fieldName ignored param
 * @param reader contains data to parse
 * @return TokenStream of ngrams
 */
public TokenStream tokenStream(String fieldName, Reader reader) {
    return new NGramTokenFilter(
            new LowerCaseFilter(
                new StandardFilter(
                    new StandardTokenizer(reader))), min_ngram, max_ngram);
}
Example #3
Source File: ThaiAnalyzer.java    From modernmt with Apache License 2.0 5 votes vote down vote up 
@Override
protected TokenStreamComponents createComponents(String fieldName,
                                                 Reader reader) {
    ThaiTokenizer source = new ThaiTokenizer(reader);
    TokenStream result = new StandardFilter(source);
    return new TokenStreamComponents(source, result);
}
Example #4
Source File: NGramAnalyzer.java    From spacewalk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * @param fieldName ignored param
 * @param reader contains data to parse
 * @return TokenStream of ngrams
 */
public TokenStream tokenStream(String fieldName, Reader reader) {
    return new NGramTokenFilter(
            new LowerCaseFilter(
                new StandardFilter(
                    new StandardTokenizer(reader))), min_ngram, max_ngram);
}
Example #5
Source File: StandardTokenFilterFactory.java    From Elasticsearch with Apache License 2.0 4 votes vote down vote up 
@Override
public TokenStream create(TokenStream tokenStream) {
    return new StandardFilter(tokenStream);
}