public class SnowballAnalyzer extends Analyzer
StandardTokenizer
with StandardFilter
, LowerCaseFilter
, StopFilter
and SnowballFilter
.
Available stemmers are listed in org.tartarus.snowball.ext. The name of a
stemmer is the part of the class name before "Stemmer", e.g., the stemmer in
EnglishStemmer
is named "English".
NOTE: This class uses the same Version
dependent settings as StandardAnalyzer
.
overridesTokenStreamMethod
Constructor and Description |
---|
SnowballAnalyzer(String name)
Deprecated.
Use
SnowballAnalyzer(Version, String) instead |
SnowballAnalyzer(String name,
String[] stopWords)
Deprecated.
Use
SnowballAnalyzer(Version, String, String[]) instead |
SnowballAnalyzer(Version matchVersion,
String name)
Builds the named analyzer with no stop words.
|
SnowballAnalyzer(Version matchVersion,
String name,
Set stopWords)
Builds the named analyzer with the given stop words.
|
SnowballAnalyzer(Version matchVersion,
String name,
String[] stopWords)
Builds the named analyzer with the given stop words.
|
Modifier and Type | Method and Description |
---|---|
TokenStream |
reusableTokenStream(String fieldName,
Reader reader)
Returns a (possibly reused)
StandardTokenizer filtered by a
StandardFilter , a LowerCaseFilter ,
a StopFilter , and a SnowballFilter |
TokenStream |
tokenStream(String fieldName,
Reader reader)
Constructs a
StandardTokenizer filtered by a StandardFilter , a LowerCaseFilter , a StopFilter ,
and a SnowballFilter |
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setOverridesTokenStreamMethod, setPreviousTokenStream
public SnowballAnalyzer(String name)
SnowballAnalyzer(Version, String)
insteadpublic SnowballAnalyzer(Version matchVersion, String name)
public SnowballAnalyzer(String name, String[] stopWords)
SnowballAnalyzer(Version, String, String[])
insteadpublic SnowballAnalyzer(Version matchVersion, String name, String[] stopWords)
public TokenStream tokenStream(String fieldName, Reader reader)
StandardTokenizer
filtered by a StandardFilter
, a LowerCaseFilter
, a StopFilter
,
and a SnowballFilter
tokenStream
in class Analyzer
public TokenStream reusableTokenStream(String fieldName, Reader reader) throws IOException
StandardTokenizer
filtered by a
StandardFilter
, a LowerCaseFilter
,
a StopFilter
, and a SnowballFilter
reusableTokenStream
in class Analyzer
IOException
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