Class PatternKeywordMarkerFilter

Marks terms as keywords via the KeywordAttribute. Each token that matches the provided pattern is marked as a keyword by setting IsKeyword to true.

Inheritance
System.Object
AttributeSource
TokenStream
TokenFilter
KeywordMarkerFilter
PatternKeywordMarkerFilter
Implements
System.IDisposable
Inherited Members
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: Lucene.Net.Analysis.Miscellaneous
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class PatternKeywordMarkerFilter : KeywordMarkerFilter, IDisposable

Constructors

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PatternKeywordMarkerFilter(TokenStream, Regex)

Create a new PatternKeywordMarkerFilter, that marks the current token as a keyword if the tokens term buffer matches the provided System.Text.RegularExpressions.Regex via the KeywordAttribute.

Declaration
public PatternKeywordMarkerFilter(TokenStream in, Regex pattern)
Parameters
Type Name Description
TokenStream in

TokenStream to filter

System.Text.RegularExpressions.Regex pattern

the pattern to apply to the incoming term buffer

Methods

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IsKeyword()

Declaration
protected override bool IsKeyword()
Returns
Type Description
System.Boolean
Overrides

Implements

System.IDisposable