/* This file is part of the db4o object database http://www.db4o.com

Copyright (C) 2004 - 2010  Versant Corporation http://www.versant.com

db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.

db4o 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 General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see http://www.gnu.org/licenses/. */
namespace Db4objects.Db4o.IO
{
	/// <summary>Strategy for file/byte array growth.</summary>
	/// <remarks>Strategy for file/byte array growth.</remarks>
	public interface IGrowthStrategy
	{
		/// <summary>
		/// returns the incremented size after the growth
		/// strategy has been applied
		/// </summary>
		/// <param name="curSize">the original size</param>
		/// <returns>
		/// the new size, after the growth strategy has been
		/// applied, must be bigger than curSize
		/// </returns>
		long NewSize(long curSize, long requiredSize);
	}
}
