C# Class org.apache.lucene.analysis.miscellaneous.PrefixAwareTokenFilter

Joins two token streams and leaves the last token of the first stream available to be used when updating the token values in the second stream based on that token. The default implementation adds last prefix token end offset to the suffix token start and end offsets.

NOTE: This filter might not behave correctly if used with custom Attributes, i.e. Attributes other than the ones located in org.apache.lucene.analysis.tokenattributes.

Inheritance: TokenStream

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Private Properties

Property	Type	Description
getNextPrefixInputToken	Token
getNextSuffixInputToken	Token

Public Methods

Method	Description
PrefixAwareTokenFilter ( TokenStream prefix, TokenStream suffix )
close ( ) : void
end ( ) : void
incrementToken ( ) : bool
reset ( ) : void
updateSuffixToken ( Token suffixToken, Token lastPrefixToken ) : Token	The default implementation adds last prefix token end offset to the suffix token start and end offsets.

Private Methods

Method	Description
getNextPrefixInputToken ( Token token ) : Token
getNextSuffixInputToken ( Token token ) : Token

Method Details

PrefixAwareTokenFilter() public method

public PrefixAwareTokenFilter ( TokenStream prefix, TokenStream suffix )
prefix	TokenStream
suffix	TokenStream

close() public method

public close ( ) : void
return	void

end() public method

public end ( ) : void
return	void

incrementToken() public method

public incrementToken ( ) : bool
return	bool

reset() public method

public reset ( ) : void
return	void

updateSuffixToken() public method

The default implementation adds last prefix token end offset to the suffix token start and end offsets.

public updateSuffixToken ( Token suffixToken, Token lastPrefixToken ) : Token
suffixToken	Token	a token from the suffix stream
lastPrefixToken	Token	the last token from the prefix stream
return	Token