Class RussianAnalyzer

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 LuceneVersion compatibility when creating RussianAnalyzer:

• As of 3.1, StandardTokenizer is used, Snowball stemming is done with SnowballFilter, and Snowball stopwords are used by default.

Inheritance

System.Object

Analyzer

StopwordAnalyzerBase

RussianAnalyzer

Inherited Members

StopwordAnalyzerBase.m_stopwords

StopwordAnalyzerBase.m_matchVersion

StopwordAnalyzerBase.StopwordSet

StopwordAnalyzerBase.LoadStopwordSet(Boolean, Type, String, String)

StopwordAnalyzerBase.LoadStopwordSet(FileInfo, LuceneVersion)

StopwordAnalyzerBase.LoadStopwordSet(TextReader, LuceneVersion)

Lucene.Net.Analysis.Analyzer.NewAnonymous(Func<, , >)

Lucene.Net.Analysis.Analyzer.NewAnonymous(Func<, , >, Lucene.Net.Analysis.ReuseStrategy)

Lucene.Net.Analysis.Analyzer.NewAnonymous(Func<, , >, Func<, , >)

Lucene.Net.Analysis.Analyzer.NewAnonymous(Func<, , >, Func<, , >, Lucene.Net.Analysis.ReuseStrategy)

Analyzer.GetTokenStream(String, TextReader)

Analyzer.GetTokenStream(String, String)

Analyzer.InitReader(String, TextReader)

Analyzer.GetPositionIncrementGap(String)

Analyzer.GetOffsetGap(String)

Analyzer.Strategy

Analyzer.Dispose()

Analyzer.Dispose(Boolean)

Analyzer.GLOBAL_REUSE_STRATEGY

Analyzer.PER_FIELD_REUSE_STRATEGY

Namespace: Lucene.Net.Analysis.Ru

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public sealed class RussianAnalyzer : StopwordAnalyzerBase

Constructors

RussianAnalyzer(LuceneVersion)

Declaration

public RussianAnalyzer(LuceneVersion matchVersion)

Parameters

Type	Name	Description
LuceneVersion	matchVersion

RussianAnalyzer(LuceneVersion, CharArraySet)

Builds an analyzer with the given stop words

Declaration

public RussianAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords)

Parameters

Type	Name	Description
LuceneVersion	matchVersion	lucene compatibility version
CharArraySet	stopwords	a stopword set

RussianAnalyzer(LuceneVersion, CharArraySet, CharArraySet)

Builds an analyzer with the given stop words

Declaration

public RussianAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords, CharArraySet stemExclusionSet)

Parameters

Type	Name	Description
LuceneVersion	matchVersion	lucene compatibility version
CharArraySet	stopwords	a stopword set
CharArraySet	stemExclusionSet	a set of words not to be stemmed

Fields

DEFAULT_STOPWORD_FILE

File containing default Russian stopwords.

Declaration

public const string DEFAULT_STOPWORD_FILE = null

Field Value

Type	Description
System.String

Properties

DefaultStopSet

Returns an unmodifiable instance of the default stop-words set.

Declaration

public static CharArraySet DefaultStopSet { get; }

Property Value

Type	Description
CharArraySet	an unmodifiable instance of the default stop-words set.

Methods

CreateComponents(String, TextReader)

Creates TokenStreamComponents used to tokenize all the text in the provided .

Declaration

protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)

Parameters

Type	Name	Description
System.String	fieldName
TextReader	reader

Returns

Type	Description
TokenStreamComponents	TokenStreamComponents built from a StandardTokenizer filtered with StandardFilter, LowerCaseFilter, StopFilter , SetKeywordMarkerFilter if a stem exclusion set is provided, and SnowballFilter