Class GreekAnalyzer

Analyzer for the Greek 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 GreekAnalyzer:

  • As of 3.1, StandardFilter and GreekStemmer are used by default.
  • As of 2.9, StopFilter preserves position increments

NOTE: This class uses the same LuceneVersion dependent settings as StandardAnalyzer.

Inheritance
System.Object
Analyzer
StopwordAnalyzerBase
GreekAnalyzer
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.El
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class GreekAnalyzer : StopwordAnalyzerBase, IDisposable

Constructors

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GreekAnalyzer(LuceneVersion)

Builds an analyzer with the default stop words.

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

Lucene compatibility version, See LuceneVersion

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GreekAnalyzer(LuceneVersion, CharArraySet)

Builds an analyzer with the given stop words.

NOTE: The stopwords set should be pre-processed with the logic of GreekLowerCaseFilter for best results.

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

Lucene compatibility version, See LuceneVersion

CharArraySet stopwords

a stopword set

Fields

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DEFAULT_STOPWORD_FILE

File containing default Greek stopwords.

Declaration
public const string DEFAULT_STOPWORD_FILE = "stopwords.txt"
Field Value
Type Description
System.String

Properties

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DefaultStopSet

Returns a set of default Greek-stopwords

Declaration
public static CharArraySet DefaultStopSet { get; }
Property Value
Type Description
CharArraySet

a set of default Greek-stopwords

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 GreekLowerCaseFilter, StandardFilter, StopFilter, and GreekStemFilter
Overrides

Implements

System.IDisposable