Class LowerCaseFilter

Normalizes token text to lower case.

You must specify the required Lucene.Net.Util.LuceneVersion compatibility when creating LowerCaseFilter:

As of 3.1, supplementary characters are properly lowercased.

Inheritance

System.Object

Lucene.Net.Util.AttributeSource

Lucene.Net.Analysis.TokenStream

Lucene.Net.Analysis.TokenFilter

LowerCaseFilter

Implements

System.IDisposable

Inherited Members

Lucene.Net.Analysis.TokenFilter.m_input

Lucene.Net.Analysis.TokenFilter.End()

TokenFilter.Dispose(Boolean)

Lucene.Net.Analysis.TokenFilter.Reset()

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()

AttributeSource.Equals(Object)

AttributeSource.ReflectAsString(Boolean)

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.Core

Assembly: Lucene.Net.Analysis.Common.dll

Syntax

public sealed class LowerCaseFilter : TokenFilter, IDisposable

Constructors

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LowerCaseFilter(LuceneVersion, TokenStream)

Create a new LowerCaseFilter, that normalizes token text to lower case.

Declaration

public LowerCaseFilter(LuceneVersion matchVersion, TokenStream in)

Parameters

Type	Name	Description
Lucene.Net.Util.LuceneVersion	matchVersion	See Lucene.Net.Util.LuceneVersion
Lucene.Net.Analysis.TokenStream	in	Lucene.Net.Analysis.TokenStream to filter

Methods

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IncrementToken()

Declaration

public override sealed bool IncrementToken()

Returns

Type	Description
System.Boolean

Overrides

Lucene.Net.Analysis.TokenStream.IncrementToken()

Implements

System.IDisposable