kyotocabinet::Comparator Class Reference

Interfrace of comparator of record keys. More...

#include <kccompare.h>

List of all members.

Public Member Functions
virtual	~Comparator ()
	Destructor.
virtual int32_t	compare (const char *akbuf, size_t aksiz, const char *bkbuf, size_t bksiz)=0
	Compare two keys.

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Detailed Description

Interfrace of comparator of record keys.

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Constructor & Destructor Documentation

virtual kyotocabinet::Comparator::~Comparator

(

)

[virtual]

Destructor.

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Member Function Documentation

virtual int32_t kyotocabinet::Comparator::compare	(	const char *	akbuf,
		size_t	aksiz,
		const char *	bkbuf,
		size_t	bksiz
	)		[pure virtual]

Compare two keys.

Parameters:

akbuf	the pointer to the region of one key.
aksiz	the size of the region of one key.
bkbuf	the pointer to the region of the other key.
bksiz	the size of the region of the other key.

Returns:

positive if the former is big, negative if the latter is big, 0 if both are equivalent.

Implemented in kyotocabinet::DecimalDescendingComparator, kyotocabinet::DecimalComparator, kyotocabinet::LexicalDescendingComparator, and kyotocabinet::LexicalComparator.