Class KeepWordFilter

A Lucene.Net.Analysis.TokenFilter that only keeps tokens with text contained in the required words. This filter behaves like the inverse of StopFilter.

@since solr 1.3

Inheritance
System.Object
Lucene.Net.Util.AttributeSource
Lucene.Net.Analysis.TokenStream
Lucene.Net.Analysis.TokenFilter
FilteringTokenFilter
KeepWordFilter
Implements
System.IDisposable
Inherited Members
Lucene.Net.Analysis.TokenFilter.m_input
Lucene.Net.Analysis.TokenStream.Dispose()
Lucene.Net.Util.AttributeSource.GetAttributeFactory()
Lucene.Net.Util.AttributeSource.GetAttributeClassesEnumerator()
Lucene.Net.Util.AttributeSource.GetAttributeImplsEnumerator()
Lucene.Net.Util.AttributeSource.AddAttributeImpl(Lucene.Net.Util.Attribute)
Lucene.Net.Util.AttributeSource.AddAttribute<T>()
Lucene.Net.Util.AttributeSource.HasAttributes
Lucene.Net.Util.AttributeSource.HasAttribute<T>()
Lucene.Net.Util.AttributeSource.GetAttribute<T>()
Lucene.Net.Util.AttributeSource.ClearAttributes()
Lucene.Net.Util.AttributeSource.CaptureState()
Lucene.Net.Util.AttributeSource.RestoreState(Lucene.Net.Util.AttributeSource.State)
Lucene.Net.Util.AttributeSource.GetHashCode()
Lucene.Net.Util.AttributeSource.ReflectWith(Lucene.Net.Util.IAttributeReflector)
Lucene.Net.Util.AttributeSource.CloneAttributes()
Lucene.Net.Util.AttributeSource.CopyTo(Lucene.Net.Util.AttributeSource)
Lucene.Net.Util.AttributeSource.ToString()
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 KeepWordFilter : FilteringTokenFilter, IDisposable

Constructors

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KeepWordFilter(LuceneVersion, TokenStream, CharArraySet)

Create a new KeepWordFilter.

NOTE: The words set passed to this constructor will be directly used by this filter and should not be modified.

Declaration
public KeepWordFilter(LuceneVersion version, TokenStream in, CharArraySet words)
Parameters
Type Name Description
Lucene.Net.Util.LuceneVersion version

the Lucene match version

Lucene.Net.Analysis.TokenStream in

the Lucene.Net.Analysis.TokenStream to consume

CharArraySet words

the words to keep

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KeepWordFilter(LuceneVersion, Boolean, TokenStream, CharArraySet)

Declaration
[Obsolete("enablePositionIncrements=false is not supported anymore as of Lucene 4.4.")]
public KeepWordFilter(LuceneVersion version, bool enablePositionIncrements, TokenStream in, CharArraySet words)
Parameters
Type Name Description
Lucene.Net.Util.LuceneVersion version
System.Boolean enablePositionIncrements
Lucene.Net.Analysis.TokenStream in
CharArraySet words

Methods

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Accept()

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

Implements

System.IDisposable