Closeable
, AutoCloseable
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 | Description |
---|---|---|
static String |
DEFAULT_STOPWORD_FILE |
File containing default Russian stopwords.
|
matchVersion, stopwords
Constructor | Description |
---|---|
RussianAnalyzer(Version matchVersion) |
|
RussianAnalyzer(Version matchVersion,
String... stopwords) |
Deprecated.
use
RussianAnalyzer(Version, Set) instead |
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
|
Modifier and Type | Method | 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.
|
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
initReader, reusableTokenStream, tokenStream
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
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
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