Class ThaiAnalyzer

Analyzer for Thai language. It uses ICU4N.Text.BreakIterator to break words.

You must specify the required LuceneVersion compatibility when creating ThaiAnalyzer:

  • As of 3.6, a set of Thai stopwords is used by default

Inheritance
System.Object
Analyzer
StopwordAnalyzerBase
ThaiAnalyzer
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.Th
Assembly: Lucene.Net.ICU.dll
Syntax
public sealed class ThaiAnalyzer : StopwordAnalyzerBase, IDisposable

Constructors

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ThaiAnalyzer(LuceneVersion)

Builds an analyzer with the default stop words.

Declaration
public ThaiAnalyzer(LuceneVersion matchVersion)
Parameters
Type Name Description
LuceneVersion matchVersion

lucene compatibility version

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ThaiAnalyzer(LuceneVersion, CharArraySet)

Builds an analyzer with the given stop words.

Declaration
public ThaiAnalyzer(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 Thai stopwords.

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

default stop words set.

Methods

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CreateComponents(String, TextReader)

Creates TokenStreamComponents used to tokenize 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 TokenStreamComponents built from a StandardTokenizer filtered with StandardFilter, LowerCaseFilter, ThaiWordFilter, and StopFilter
Overrides

Implements

System.IDisposable