Package 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
,AutoCloseable
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
-
-
Field Summary
Fields Modifier and Type Field Description static String
DEFAULT_STOPWORD_FILE
File containing default Bulgarian stopwords.static String
STOPWORDS_COMMENT
Deprecated.useWordlistLoader.getWordSet(Reader, String, Version)
directly
-
Constructor Summary
Constructors Constructor Description 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
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents
createComponents(String fieldName, Reader reader)
Creates aReusableAnalyzerBase.TokenStreamComponents
which tokenizes all the text in the providedReader
.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
-
-
-
-
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.useWordlistLoader.getWordSet(Reader, String, Version)
directlyThe 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 aKeywordMarkerFilter
beforeBulgarianStemFilter
.
-
-
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 aReusableAnalyzerBase.TokenStreamComponents
which tokenizes all the text in the providedReader
.- Specified by:
createComponents
in classorg.apache.lucene.analysis.ReusableAnalyzerBase
- Returns:
- A
ReusableAnalyzerBase.TokenStreamComponents
built from anStandardTokenizer
filtered withStandardFilter
,LowerCaseFilter
,StopFilter
,KeywordMarkerFilter
if a stem exclusion set is provided andBulgarianStemFilter
.
-
-