/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 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/. */
package com.db4o.internal.activation;
import com.db4o.internal.*;
/**
* Factory for ActivationDepth strategies.
*/
public interface ActivationDepthProvider {
/**
* Returns an ActivationDepth suitable for the specified class and activation mode.
*
* @param classMetadata root class that's being activated
* @param mode activation mode
* @return an appropriate ActivationDepth for the class and activation mode
*/
ActivationDepth activationDepthFor(ClassMetadata classMetadata, ActivationMode mode);
/**
* Returns an ActivationDepth that will activate at most *depth* levels.
*
* A special case is Integer.MAX_VALUE (int.MaxValue for .net) for which a
* FullActivationDepth object must be returned.
*
* @param depth
* @param mode
*
* @return
*/
ActivationDepth activationDepth(int depth, ActivationMode mode);
}