public final class RussianAnalyzer extends StopwordAnalyzerBase
Analyzer
for Russian language.
Supports an external list of stopwords (words that will not be indexed at all). A default set of stopwords is used unless an alternative list is specified.
You must specify the required Version
compatibility when creating RussianAnalyzer:
ReusableAnalyzerBase.TokenStreamComponents
Modifier and Type | Field and Description |
---|---|
static String |
DEFAULT_STOPWORD_FILE
File containing default Russian stopwords.
|
matchVersion, stopwords
Constructor and Description |
---|
RussianAnalyzer(Version matchVersion) |
RussianAnalyzer(Version matchVersion,
Map<?,?> stopwords)
Deprecated.
use
RussianAnalyzer(Version, Set) instead |
RussianAnalyzer(Version matchVersion,
Set<?> stopwords)
Builds an analyzer with the given stop words
|
RussianAnalyzer(Version matchVersion,
Set<?> stopwords,
Set<?> stemExclusionSet)
Builds an analyzer with the given stop words
|
RussianAnalyzer(Version matchVersion,
String... stopwords)
Deprecated.
use
RussianAnalyzer(Version, Set) instead |
Modifier and Type | Method and Description |
---|---|
protected ReusableAnalyzerBase.TokenStreamComponents |
createComponents(String fieldName,
Reader reader)
Creates
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader . |
static Set<?> |
getDefaultStopSet()
Returns an unmodifiable instance of the default stop-words set.
|
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
initReader, reusableTokenStream, tokenStream
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream
public static final String DEFAULT_STOPWORD_FILE
public RussianAnalyzer(Version matchVersion)
@Deprecated public RussianAnalyzer(Version matchVersion, String... stopwords)
RussianAnalyzer(Version, Set)
insteadpublic RussianAnalyzer(Version matchVersion, Set<?> stopwords)
matchVersion
- lucene compatibility versionstopwords
- a stopword setpublic RussianAnalyzer(Version matchVersion, Set<?> stopwords, Set<?> stemExclusionSet)
matchVersion
- lucene compatibility versionstopwords
- a stopword setstemExclusionSet
- a set of words not to be stemmed@Deprecated public RussianAnalyzer(Version matchVersion, Map<?,?> stopwords)
RussianAnalyzer(Version, Set)
insteadpublic static Set<?> getDefaultStopSet()
protected ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
ReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the provided Reader
.createComponents
in class ReusableAnalyzerBase
fieldName
- the name of the fields content passed to the
ReusableAnalyzerBase.TokenStreamComponents
sink as a readerreader
- the reader passed to the Tokenizer
constructorReusableAnalyzerBase.TokenStreamComponents
built from a StandardTokenizer
filtered with
StandardFilter
, LowerCaseFilter
, StopFilter
, KeywordMarkerFilter
if a stem exclusion set is
provided, and SnowballFilter