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    Class LowerCaseFilter

    Normalizes token text to lower case.

    You must specify the required LuceneVersion compatibility when creating LowerCaseFilter:

    • As of 3.1, supplementary characters are properly lowercased.

    Inheritance
    System.Object
    AttributeSource
    TokenStream
    TokenFilter
    LowerCaseFilter
    Implements
    System.IDisposable
    Inherited Members
    TokenFilter.m_input
    TokenFilter.End()
    TokenFilter.Dispose(Boolean)
    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.Equals(Object)
    AttributeSource.ReflectAsString(Boolean)
    AttributeSource.ReflectWith(IAttributeReflector)
    AttributeSource.CloneAttributes()
    AttributeSource.CopyTo(AttributeSource)
    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
    LuceneVersion matchVersion

    See LuceneVersion

    TokenStream in

    TokenStream to filter

    Methods

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    IncrementToken()

    Declaration
    public override sealed bool IncrementToken()
    Returns
    Type Description
    System.Boolean
    Overrides
    TokenStream.IncrementToken()

    Implements

    System.IDisposable
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