Class StempelFilter

Transforms the token stream as per the stemming algorithm.

Note: the input to the stemming filter must already be in lower case, so you will need to use LowerCaseFilter or LowerCaseTokenizer farther down the chain in order for this to work properly!

Inheritance

System.Object

StempelFilter

Namespace: Lucene.Net.Analysis.Stempel

Assembly: Lucene.Net.Analysis.Stempel.dll

Syntax

public sealed class StempelFilter : TokenFilter

Constructors

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StempelFilter(TokenStream, StempelStemmer)

Create filter using the supplied stemming table.

Declaration

public StempelFilter(TokenStream in, StempelStemmer stemmer)

Parameters

Type	Name	Description
TokenStream	in	input token stream
StempelStemmer	stemmer	stemmer

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StempelFilter(TokenStream, StempelStemmer, Int32)

Create filter using the supplied stemming table.

Declaration

public StempelFilter(TokenStream in, StempelStemmer stemmer, int minLength)

Parameters

Type	Name	Description
TokenStream	in	input token stream
StempelStemmer	stemmer	stemmer
System.Int32	minLength	For performance reasons words shorter than minLength characters are not processed, but simply returned.

Fields

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DEFAULT_MIN_LENGTH

Minimum length of input words to be processed. Shorter words are returned unchanged.

Declaration

public static readonly int DEFAULT_MIN_LENGTH

Field Value

Type	Description
System.Int32

Methods

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IncrementToken()

Returns the next input , after being stemmed

Declaration

public override bool IncrementToken()

Returns

Type	Description
System.Boolean