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Example 16 with StandardFilter

use of org.apache.lucene.analysis.standard.StandardFilter 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)

Example 17 with StandardFilter

use of org.apache.lucene.analysis.standard.StandardFilter in project lucene-solr by apache.

the class BasqueAnalyzer method normalize.

@Override
protected TokenStream normalize(String fieldName, TokenStream in) {
    TokenStream result = new StandardFilter(in);
    result = new LowerCaseFilter(result);
    return result;
}
Also used : TokenStream(org.apache.lucene.analysis.TokenStream) StandardFilter(org.apache.lucene.analysis.standard.StandardFilter) LowerCaseFilter(org.apache.lucene.analysis.LowerCaseFilter)

Example 18 with StandardFilter

use of org.apache.lucene.analysis.standard.StandardFilter in project lucene-solr by apache.

the class PersianAnalyzer method normalize.

@Override
protected TokenStream normalize(String fieldName, TokenStream in) {
    TokenStream result = new StandardFilter(in);
    result = new LowerCaseFilter(result);
    result = new DecimalDigitFilter(result);
    result = new ArabicNormalizationFilter(result);
    /* additional persian-specific normalization */
    result = new PersianNormalizationFilter(result);
    return result;
}
Also used : DecimalDigitFilter(org.apache.lucene.analysis.core.DecimalDigitFilter) ArabicNormalizationFilter(org.apache.lucene.analysis.ar.ArabicNormalizationFilter) TokenStream(org.apache.lucene.analysis.TokenStream) StandardFilter(org.apache.lucene.analysis.standard.StandardFilter) LowerCaseFilter(org.apache.lucene.analysis.LowerCaseFilter)

Example 19 with StandardFilter

use of org.apache.lucene.analysis.standard.StandardFilter in project lucene-solr by apache.

the class IndonesianAnalyzer method createComponents.

/**
   * Creates
   * {@link org.apache.lucene.analysis.Analyzer.TokenStreamComponents}
   * used to tokenize all the text in the provided {@link Reader}.
   * 
   * @return {@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 IndonesianStemFilter}.
   */
@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);
    }
    return new TokenStreamComponents(source, new IndonesianStemFilter(result));
}
Also used : 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) Tokenizer(org.apache.lucene.analysis.Tokenizer) StandardTokenizer(org.apache.lucene.analysis.standard.StandardTokenizer) LowerCaseFilter(org.apache.lucene.analysis.LowerCaseFilter)

Example 20 with StandardFilter

use of org.apache.lucene.analysis.standard.StandardFilter in project lucene-solr by apache.

the class ItalianAnalyzer 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 ElisionFilter}, {@link LowerCaseFilter}, {@link StopFilter}
   *         , {@link SetKeywordMarkerFilter} if a stem exclusion set is
   *         provided and {@link ItalianLightStemFilter}.
   */
@Override
protected TokenStreamComponents createComponents(String fieldName) {
    final Tokenizer source = new StandardTokenizer();
    TokenStream result = new StandardFilter(source);
    result = new ElisionFilter(result, DEFAULT_ARTICLES);
    result = new LowerCaseFilter(result);
    result = new StopFilter(result, stopwords);
    if (!stemExclusionSet.isEmpty())
        result = new SetKeywordMarkerFilter(result, stemExclusionSet);
    result = new ItalianLightStemFilter(result);
    return new TokenStreamComponents(source, result);
}
Also used : TokenStream(org.apache.lucene.analysis.TokenStream) ElisionFilter(org.apache.lucene.analysis.util.ElisionFilter) 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) Tokenizer(org.apache.lucene.analysis.Tokenizer) StandardTokenizer(org.apache.lucene.analysis.standard.StandardTokenizer) LowerCaseFilter(org.apache.lucene.analysis.LowerCaseFilter)

Aggregations

StandardFilter (org.apache.lucene.analysis.standard.StandardFilter)73 TokenStream (org.apache.lucene.analysis.TokenStream)71 LowerCaseFilter (org.apache.lucene.analysis.LowerCaseFilter)58 Tokenizer (org.apache.lucene.analysis.Tokenizer)36 StopFilter (org.apache.lucene.analysis.StopFilter)35 StandardTokenizer (org.apache.lucene.analysis.standard.StandardTokenizer)35 SetKeywordMarkerFilter (org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter)30 SnowballFilter (org.apache.lucene.analysis.snowball.SnowballFilter)14 ElisionFilter (org.apache.lucene.analysis.util.ElisionFilter)8 LowerCaseFilter (org.apache.lucene.analysis.core.LowerCaseFilter)5 DecimalDigitFilter (org.apache.lucene.analysis.core.DecimalDigitFilter)4 ASCIIFoldingFilter (org.apache.lucene.analysis.miscellaneous.ASCIIFoldingFilter)4 StopFilter (org.apache.lucene.analysis.core.StopFilter)3 KeywordTokenizer (org.apache.lucene.analysis.core.KeywordTokenizer)2 EnglishPossessiveFilter (org.apache.lucene.analysis.en.EnglishPossessiveFilter)2 PorterStemFilter (org.apache.lucene.analysis.en.PorterStemFilter)2 WordDelimiterFilter (org.apache.lucene.analysis.miscellaneous.WordDelimiterFilter)2 Reader (java.io.Reader)1 Analyzer (org.apache.lucene.analysis.Analyzer)1 CharArraySet (org.apache.lucene.analysis.CharArraySet)1