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Example 1 with BasqueStemmer

use of org.tartarus.snowball.ext.BasqueStemmer in project lucene-solr by apache.

the class BasqueAnalyzer method createComponents.

/**
   * Creates a
   * {@link org.apache.lucene.analysis.Analyzer.TokenStreamComponents}
   * which tokenizes all the text in the provided {@link Reader}.
   * 
   * @return A
   *         {@link org.apache.lucene.analysis.Analyzer.TokenStreamComponents}
   *         built from an {@link StandardTokenizer} filtered with
   *         {@link StandardFilter}, {@link LowerCaseFilter}, {@link StopFilter}
   *         , {@link SetKeywordMarkerFilter} if a stem exclusion set is
   *         provided and {@link SnowballFilter}.
   */
@Override
protected TokenStreamComponents createComponents(String fieldName) {
    final Tokenizer source = new StandardTokenizer();
    TokenStream result = new StandardFilter(source);
    result = new LowerCaseFilter(result);
    result = new StopFilter(result, stopwords);
    if (!stemExclusionSet.isEmpty())
        result = new SetKeywordMarkerFilter(result, stemExclusionSet);
    result = new SnowballFilter(result, new BasqueStemmer());
    return new TokenStreamComponents(source, result);
}
Also used : BasqueStemmer(org.tartarus.snowball.ext.BasqueStemmer) TokenStream(org.apache.lucene.analysis.TokenStream) StandardTokenizer(org.apache.lucene.analysis.standard.StandardTokenizer) StopFilter(org.apache.lucene.analysis.StopFilter) SetKeywordMarkerFilter(org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter) StandardFilter(org.apache.lucene.analysis.standard.StandardFilter) SnowballFilter(org.apache.lucene.analysis.snowball.SnowballFilter) Tokenizer(org.apache.lucene.analysis.Tokenizer) StandardTokenizer(org.apache.lucene.analysis.standard.StandardTokenizer) LowerCaseFilter(org.apache.lucene.analysis.LowerCaseFilter)

Aggregations

LowerCaseFilter (org.apache.lucene.analysis.LowerCaseFilter)1 StopFilter (org.apache.lucene.analysis.StopFilter)1 TokenStream (org.apache.lucene.analysis.TokenStream)1 Tokenizer (org.apache.lucene.analysis.Tokenizer)1 SetKeywordMarkerFilter (org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter)1 SnowballFilter (org.apache.lucene.analysis.snowball.SnowballFilter)1 StandardFilter (org.apache.lucene.analysis.standard.StandardFilter)1 StandardTokenizer (org.apache.lucene.analysis.standard.StandardTokenizer)1 BasqueStemmer (org.tartarus.snowball.ext.BasqueStemmer)1