Class SnowballAnalyzer

Filters StandardTokenizer with StandardFilter, LowerCaseFilter, StopFilter and SnowballFilter.

Available stemmers are listed in org.tartarus.snowball.ext. The name of a stemmer is the part of the class name before "Stemmer", e.g., the stemmer in EnglishStemmer is named "English".

NOTE: This class uses the same Lucene.Net.Util.LuceneVersion dependent settings as StandardAnalyzer, with the following addition:

Inheritance
System.Object
Lucene.Net.Analysis.Analyzer
SnowballAnalyzer
Implements
System.IDisposable
Inherited Members
Lucene.Net.Analysis.Analyzer.Strategy
Lucene.Net.Analysis.Analyzer.Dispose()
Lucene.Net.Analysis.Analyzer.GLOBAL_REUSE_STRATEGY
Lucene.Net.Analysis.Analyzer.PER_FIELD_REUSE_STRATEGY
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.Snowball
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
[Obsolete("(3.1) Use the language-specific analyzer in modules/analysis instead. This analyzer will be removed in Lucene 5.0.")]
public sealed class SnowballAnalyzer : Analyzer, IDisposable

Constructors

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SnowballAnalyzer(LuceneVersion, String)

Builds the named analyzer with no stop words.

Declaration
public SnowballAnalyzer(LuceneVersion matchVersion, string name)
Parameters
Type Name Description
Lucene.Net.Util.LuceneVersion matchVersion
System.String name
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SnowballAnalyzer(LuceneVersion, String, CharArraySet)

Builds the named analyzer with the given stop words.

Declaration
public SnowballAnalyzer(LuceneVersion matchVersion, string name, CharArraySet stopWords)
Parameters
Type Name Description
Lucene.Net.Util.LuceneVersion matchVersion
System.String name
CharArraySet stopWords

Methods

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CreateComponents(String, TextReader)

Constructs a StandardTokenizer filtered by a StandardFilter, a LowerCaseFilter, a StopFilter, and a SnowballFilter

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

Implements

System.IDisposable