public final class PersianAnalyzer extends StopwordAnalyzerBase
Analyzer
for Persian.
This Analyzer uses PersianCharFilter
which implies tokenizing around
zero-width non-joiner in addition to whitespace. Some persian-specific variant forms (such as farsi
yeh and keheh) are standardized. "Stemming" is accomplished via stopwords.
Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static String |
DEFAULT_STOPWORD_FILE
File containing default Persian stopwords.
|
static String |
STOPWORDS_COMMENT
The comment character in the stopwords file.
|
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
Constructor and Description |
---|
PersianAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words:
DEFAULT_STOPWORD_FILE . |
PersianAnalyzer(Version matchVersion,
CharArraySet stopwords)
Builds an analyzer with the given stop words
|
Modifier and Type | Method and Description |
---|---|
static CharArraySet |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop-words set.
|
getStopwordSet
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, tokenStream, tokenStream
public static final String DEFAULT_STOPWORD_FILE
public static final String STOPWORDS_COMMENT
public PersianAnalyzer(Version matchVersion)
DEFAULT_STOPWORD_FILE
.public PersianAnalyzer(Version matchVersion, CharArraySet stopwords)
matchVersion
- lucene compatibility versionstopwords
- a stopword setpublic static CharArraySet getDefaultStopSet()
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