Class PatternKeywordMarkerFilter

Marks terms as keywords via the Lucene.Net.Analysis.TokenAttributes.IKeywordAttribute. Each token that matches the provided pattern is marked as a keyword by setting Lucene.Net.Analysis.TokenAttributes.IKeywordAttribute.IsKeyword to true.

Inheritance
object
AttributeSource
TokenStream
TokenFilter
KeywordMarkerFilter
PatternKeywordMarkerFilter
Implements
Inherited Members
TokenFilter.End()
TokenFilter.Reset()
TokenStream.Dispose()
AttributeSource.GetAttributeFactory()
AttributeSource.GetAttributeClassesEnumerator()
AttributeSource.GetAttributeImplsEnumerator()
AttributeSource.AddAttributeImpl(Attribute)
AttributeSource.AddAttribute<T>()
AttributeSource.HasAttributes
AttributeSource.HasAttribute<T>()
AttributeSource.GetAttribute<T>()
AttributeSource.ClearAttributes()
AttributeSource.CaptureState()
AttributeSource.RestoreState(AttributeSource.State)
AttributeSource.GetHashCode()
AttributeSource.ReflectWith(IAttributeReflector)
AttributeSource.CloneAttributes()
AttributeSource.CopyTo(AttributeSource)
AttributeSource.ToString()
Namespace: Lucene.Net.Analysis.Miscellaneous
Assembly: Lucene.Net.Analysis.Common.dll
Syntax
public sealed class PatternKeywordMarkerFilter : KeywordMarkerFilter, IDisposable

Constructors

PatternKeywordMarkerFilter(TokenStream, Regex)

Create a new PatternKeywordMarkerFilter, that marks the current token as a keyword if the tokens term buffer matches the provided Regex via the Lucene.Net.Analysis.TokenAttributes.IKeywordAttribute.

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

Lucene.Net.Analysis.TokenStream to filter
Regex pattern

the pattern to apply to the incoming term buffer

Methods

IsKeyword()

Marks terms as keywords via the Lucene.Net.Analysis.TokenAttributes.IKeywordAttribute. Each token that matches the provided pattern is marked as a keyword by setting Lucene.Net.Analysis.TokenAttributes.IKeywordAttribute.IsKeyword to true.

Declaration
protected override bool IsKeyword()
Returns
Type Description
bool
Overrides

Implements