Class CJKAnalyzer

An Analyzer that tokenizes text with StandardTokenizer, normalizes content with CJKWidthFilter, folds case with LowerCaseFilter, forms bigrams of CJK with CJKBigramFilter, and filters stopwords with StopFilter

Inheritance
System.Object
Analyzer
StopwordAnalyzerBase
CJKAnalyzer
Inherited Members
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)
Namespace: Lucene.Net.Analysis.Cjk
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class CJKAnalyzer : StopwordAnalyzerBase

Constructors

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CJKAnalyzer(LuceneVersion)

Builds an analyzer which removes words in DefaultStopSet.

Declaration
public CJKAnalyzer(LuceneVersion matchVersion)
Parameters
Type Name Description
LuceneVersion matchVersion
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CJKAnalyzer(LuceneVersion, CharArraySet)

Builds an analyzer with the given stop words

Declaration
public CJKAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords)
Parameters
Type Name Description
LuceneVersion matchVersion

lucene compatibility version

CharArraySet stopwords

a stopword set

Fields

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DEFAULT_STOPWORD_FILE

File containing default CJK stopwords.

Currently it contains some common English words that are not usually useful for searching and some double-byte interpunctions.

Declaration
public const string DEFAULT_STOPWORD_FILE = null
Field Value
Type Description
System.String

Properties

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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

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CreateComponents(String, TextReader)

Declaration
protected override TokenStreamComponents CreateComponents(string fieldName, TextReader reader)
Parameters
Type Name Description
System.String fieldName
TextReader reader
Returns
Type Description
TokenStreamComponents