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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#ifndef __INTERACTIONGROUP_H
#define __INTERACTIONGROUP_H
// -- project includes --
#include "Model/IGParam.h"
#include "Model/InteractionParam.h"
// -- STL includes --
#include <set>
#include <utility>
using std::set;
using std::pair;
class AParallelInteractionStorage;
template <class T> class ParallelParticleArray;
/*!
\brief Abstract base class for a group of interactions
*/
template <class T>
class AInteractionGroup
{
public:
virtual ~AInteractionGroup(){};
virtual void Update(ParallelParticleArray<T>*)=0;
virtual void calcForces()=0;
virtual void setTimeStepSize(double dt) = 0;
};
/*!
\brief Abstract base class for a group of pair interactions
The difference to AInteractionGroup is the existence of a function
bool isIn(int,int) which returns if an interaction between particles
with the given Ids is in this group. (Necessary because bonded -> not
elastic,frictional etc.)
*/
template<class T>
class APairInteractionGroup : public AInteractionGroup<T>
{
protected:
/*!
having an extra set of all pairs if particle-Ids of the interactions
in the group costs some memory, but speeds up isIn to O(log N). It would
be O(N) if implemented with a find() over the vector of inteactions.
\todo replace set (O(logN)) with hashset (O(1))
*/
set<pair<int,int> > m_set;
unsigned int m_update_timestamp;
public:
bool isIn(int,int);
virtual void setExIG(AParallelInteractionStorage* eg){};
};
#include "Model/InteractionGroup.hpp"
#endif //__INTERACTIONGROUP_H
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