C# Class Lucene.Net.Analysis.Core.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: TokenFilter
显示文件 Open project: paulirwin/lucene.net Class Usage Examples

Public Methods

Method Description
IncrementToken ( ) : bool
LowerCaseFilter ( Lucene.Net.Util.Version matchVersion, TokenStream @in ) : Lucene.Net.Analysis.Tokenattributes

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

Method Details

IncrementToken() public method

public IncrementToken ( ) : bool
return bool

LowerCaseFilter() public method

Create a new LowerCaseFilter, that normalizes token text to lower case.
public LowerCaseFilter ( Lucene.Net.Util.Version matchVersion, TokenStream @in ) : Lucene.Net.Analysis.Tokenattributes
matchVersion Lucene.Net.Util.Version See above
@in TokenStream
return Lucene.Net.Analysis.Tokenattributes