Class LengthFilter

Removes words that are too long or too short from the stream.

Note: Length is calculated as the number of UTF-16 code units.

Inheritance
System.Object
AttributeSource
TokenStream
TokenFilter
FilteringTokenFilter
LengthFilter
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 LengthFilter : FilteringTokenFilter, IDisposable

Constructors

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LengthFilter(LuceneVersion, TokenStream, Int32, Int32)

Create a new LengthFilter. This will filter out tokens whose CharTermAttribute is either too short (Length < min) or too long (Length > max).

Declaration
public LengthFilter(LuceneVersion version, TokenStream in, int min, int max)
Parameters
Type Name Description
LuceneVersion version

the Lucene match version

TokenStream in

the TokenStream to consume

System.Int32 min

the minimum length

System.Int32 max

the maximum length

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LengthFilter(LuceneVersion, Boolean, TokenStream, Int32, Int32)

Declaration
[Obsolete("enablePositionIncrements=false is not supported anymore as of Lucene 4.4.")]
public LengthFilter(LuceneVersion version, bool enablePositionIncrements, TokenStream in, int min, int max)
Parameters
Type Name Description
LuceneVersion version
System.Boolean enablePositionIncrements
TokenStream in
System.Int32 min
System.Int32 max

Methods

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Accept()

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

Implements

System.IDisposable