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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* 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 2.1 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, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_SIMULATION_TREE_LOCALSTORAGE_H
#define SOFA_SIMULATION_TREE_LOCALSTORAGE_H
#include <sofa/core/objectmodel/BaseObject.h>
#include "ClassSystem.h"
namespace sofa
{
namespace simulation
{
class Visitor;
/// Abstract class allowing actions to store local data as a stack while traversing the graph.
class LocalStorage
{
protected:
virtual ~LocalStorage() {}
public:
virtual void push(void* data) = 0;
virtual void* pop() = 0;
virtual void* top() const = 0;
virtual bool empty() const = 0;
};
} // namespace simulation
} // namespace sofa
#endif
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