## org.apache.lucene.analysis.bg
Class BulgarianAnalyzer

    java.lang.Object
      org.apache.lucene.analysis.Analyzer
          org.apache.lucene.analysis.ReusableAnalyzerBase
              org.apache.lucene.analysis.StopwordAnalyzerBase
                  org.apache.lucene.analysis.bg.BulgarianAnalyzer

All Implemented Interfaces:
  Closeable

    public final class BulgarianAnalyzer

extends org.apache.lucene.analysis.StopwordAnalyzerBase

`Analyzer` for Bulgarian.

This analyzer implements light-stemming as specified by: Searching Strategies for the Bulgarian Language http://members.unine.ch/jacques.savoy/Papers/BUIR.pdf

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase
`org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents`

Field Summary
`static String` `DEFAULT_STOPWORD_FILE` File containing default Bulgarian stopwords.
`static String` `STOPWORDS_COMMENT` Deprecated. use `WordlistLoader.getWordSet(Reader, String, Version)` directly

Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
`matchVersion, stopwords`

Constructor Summary
`BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion)` Builds an analyzer with the default stop words: `DEFAULT_STOPWORD_FILE`.
`BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion, Set<?> stopwords)` Builds an analyzer with the given stop words.
`BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion, Set<?> stopwords, Set<?> stemExclusionSet)` Builds an analyzer with the given stop words and a stem exclusion set.

Method Summary
`org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents` `createComponents(String fieldName, Reader reader)` Creates a `ReusableAnalyzerBase.TokenStreamComponents` which tokenizes all the text in the provided `Reader`.
`static Set<?>` `getDefaultStopSet()` Returns an unmodifiable instance of the default stop-words set.

Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
`getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet`

Methods inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase
`initReader, reusableTokenStream, tokenStream`

Methods inherited from class org.apache.lucene.analysis.Analyzer
`close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### DEFAULT_STOPWORD_FILE

    public static final String DEFAULT_STOPWORD_FILE

  File containing default Bulgarian stopwords. Default stopword list is from http://members.unine.ch/jacques.savoy/clef/index.html The stopword list is BSD-Licensed.

  See Also:
    Constant Field Values

### STOPWORDS_COMMENT

    @Deprecated
    public static final String STOPWORDS_COMMENT

  Deprecated. use `WordlistLoader.getWordSet(Reader, String, Version)` directly
  The comment character in the stopwords file. All lines prefixed with this will be ignored

  See Also:
    Constant Field Values

Constructor Detail

### BulgarianAnalyzer

    public BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion)

  Builds an analyzer with the default stop words: `DEFAULT_STOPWORD_FILE`.

### BulgarianAnalyzer

    public BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion,
                             Set<?> stopwords)

  Builds an analyzer with the given stop words.

### BulgarianAnalyzer

    public BulgarianAnalyzer(org.apache.lucene.util.Version matchVersion,
                             Set<?> stopwords,
                             Set<?> stemExclusionSet)

  Builds an analyzer with the given stop words and a stem exclusion set. If a stem exclusion set is provided this analyzer will add a `KeywordMarkerFilter` before `BulgarianStemFilter`.

Method Detail

### getDefaultStopSet

    public static Set<?> getDefaultStopSet()

  Returns an unmodifiable instance of the default stop-words set.

  Returns:
    an unmodifiable instance of the default stop-words set.

### createComponents

    public org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName,
                                                                                                  Reader reader)

  Creates a `ReusableAnalyzerBase.TokenStreamComponents` which tokenizes all the text in the provided `Reader`.

  Specified by:
    `createComponents` in class `org.apache.lucene.analysis.ReusableAnalyzerBase`
  Returns:
    A `ReusableAnalyzerBase.TokenStreamComponents` built from an `StandardTokenizer` filtered with `StandardFilter`, `LowerCaseFilter`, `StopFilter` , `KeywordMarkerFilter` if a stem exclusion set is provided and `BulgarianStemFilter`.