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/*
 NeoDatis ODB : Native Object Database ([email protected])
 Copyright (C) 2007 NeoDatis Inc. http://www.neodatis.org

 "This file is part of the NeoDatis ODB open source object database".

 NeoDatis ODB 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 2.1 of the License, or (at your option) any later version.

 NeoDatis ODB 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, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.neodatis.btree;

import org.neodatis.odb.OID;

/**
 * Interface used to persist and load btree and btree node from a persistent
 * layer
 * 
 * @author osmadja
 * 
 */
public interface IBTreePersister {
	IBTreeNode loadNodeById(Object id);

	Object saveNode(IBTreeNode node);

	OID saveBTree(IBTree tree);

	IBTree loadBTree(Object id);

	void close() throws Exception;

	Object deleteNode(IBTreeNode parent);

	void setBTree(IBTree tree);

	void clear();

	void flush();

}