public final class BulgarianAnalyzer extends 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
Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static String |
DEFAULT_STOPWORD_FILE
File containing default Bulgarian stopwords.
|
stopwords
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
---|
BulgarianAnalyzer()
Builds an analyzer with the default stop words:
DEFAULT_STOPWORD_FILE . |
BulgarianAnalyzer(CharArraySet stopwords)
Builds an analyzer with the given stop words.
|
BulgarianAnalyzer(CharArraySet stopwords,
CharArraySet stemExclusionSet)
Builds an analyzer with the given stop words and a stem exclusion set.
|
Modifier and Type | Method and Description |
---|---|
Analyzer.TokenStreamComponents |
createComponents(String fieldName)
Creates a
Analyzer.TokenStreamComponents
which tokenizes all the text in the provided Reader . |
static CharArraySet |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop-words set.
|
protected TokenStream |
normalize(String fieldName,
TokenStream in) |
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, getVersion, initReader, initReaderForNormalization, normalize, setVersion, tokenStream, tokenStream
public static final String DEFAULT_STOPWORD_FILE
public BulgarianAnalyzer()
DEFAULT_STOPWORD_FILE
.public BulgarianAnalyzer(CharArraySet stopwords)
public BulgarianAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)
SetKeywordMarkerFilter
before BulgarianStemFilter
.public static CharArraySet getDefaultStopSet()
public Analyzer.TokenStreamComponents createComponents(String fieldName)
Analyzer.TokenStreamComponents
which tokenizes all the text in the provided Reader
.createComponents
in class Analyzer
Analyzer.TokenStreamComponents
built from an StandardTokenizer
filtered with
StandardFilter
, LowerCaseFilter
, StopFilter
, SetKeywordMarkerFilter
if a stem exclusion set is
provided and BulgarianStemFilter
.protected TokenStream normalize(String fieldName, TokenStream in)
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