org.apache.kahadb.index
Interface BTreeIndex.Prefixer<Key>

All Known Implementing Classes:

BTreeIndex.StringPrefixer

Enclosing class:

BTreeIndex<Key,Value>

public static interface BTreeIndex.Prefixer<Key>

Interface used to determine the simple prefix of two keys.

Version:

$Revision: 902999 $, $Date: 2010-01-25 22:22:44 +0000 (Mon, 25 Jan 2010) $

Method Summary

Key	getSimplePrefix(Key value1, Key value2) This methods should return shortest prefix of value2 where the following still holds: value1 <= prefix <= value2. When this method is called, the following is guaranteed: value1 < value2

Method Detail

getSimplePrefix

Key getSimplePrefix(Key value1,
                    Key value2)

This methods should return shortest prefix of value2 where the following still holds:
value1 <= prefix <= value2.

When this method is called, the following is guaranteed:
value1 < value2

Parameters:

value1 -

value2 -

Returns: