Class BulgarianAnalyzer

Analyzer for Bulgarian.

This analyzer implements light-stemming as specified by: Searching Strategies for the Bulgarian Language http://members.unine.ch/jacques.savoy/Papers/BUIR.pdf

Inheritance
System.Object
Analyzer
StopwordAnalyzerBase
BulgarianAnalyzer
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Lucene.Net.Analysis.Bg
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class BulgarianAnalyzer : StopwordAnalyzerBase, IDisposable

Constructors

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BulgarianAnalyzer(LuceneVersion)

Builds an analyzer with the default stop words: DEFAULT_STOPWORD_FILE.

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

Builds an analyzer with the given stop words.

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

Builds an analyzer with the given stop words and a stem exclusion set. If a stem exclusion set is provided this analyzer will add a SetKeywordMarkerFilter before BulgarianStemFilter.

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

Fields

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DEFAULT_STOPWORD_FILE

File containing default Bulgarian stopwords.

Default stopword list is from http://members.unine.ch/jacques.savoy/clef/index.html The stopword list is BSD-Licensed.

Declaration
public const string DEFAULT_STOPWORD_FILE = "stopwords.txt"
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)

Creates a TokenStreamComponents which tokenizes all the text in the provided System.IO.TextReader.

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

A TokenStreamComponents built from an StandardTokenizer filtered with StandardFilter, LowerCaseFilter, StopFilter, SetKeywordMarkerFilter if a stem exclusion set is provided and BulgarianStemFilter.

Overrides

Implements

System.IDisposable