/* XXL: The eXtensible and fleXible Library for data processing
Copyright (C) 2000-2011 Prof. Dr. Bernhard Seeger
Head of the Database Research Group
Department of Mathematics and Computer Science
University of Marburg
Germany
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; If not, see <http://www.gnu.org/licenses/>.
http://code.google.com/p/xxl/
*/
package xxl.core.indexStructures.vLengthBPlusTree;
import xxl.core.indexStructures.vLengthBPlusTree.VariableLengthBPlusTree.IndexEntry;
import xxl.core.indexStructures.vLengthBPlusTree.VariableLengthBPlusTree.Node;
import xxl.core.indexStructures.vLengthBPlusTree.VariableLengthBPlusTree.Node.MergeInfo;
/**
*
* This is an interface which defines a method for creating own underflow handler for @see {@link VariableLengthBPlusTree}
*
*/
public interface UnderflowHandler {
/**
*
* @param mergeInfo
* @param indexEntry
* @param node
* @param siblingIndexEntry
* @param siblingNode
* @param min
* @param average
* @param left
* @return
*/
public Node.MergeInfo runUnderflowHandling(MergeInfo mergeInfo,
IndexEntry indexEntry,
Node node,
IndexEntry siblingIndexEntry,
Node siblingNode,
int min,
int average,
boolean left);
}