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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2005 Stephane Del Pino
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// This program 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, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// $Id: DegreeOfFreedomSetManager.cpp,v 1.2 2006/03/04 18:36:50 delpinux Exp $
#include <DegreeOfFreedomSetManager.hpp>
#include <DegreeOfFreedomPositionsSet.hpp>
#include <StreamCenter.hpp>
#include <Structured3DMesh.hpp>
#include <MeshOfTetrahedra.hpp>
#include <Mesh.hpp>
class DegreeOfFreedomSetManager::Internal
{
private:
typedef
std::map<std::pair<const Mesh*, DiscretizationType::Type>,
std::pair<size_t, DegreeOfFreedomPositionsSet*> >
MeshesDOFPositionsCorrespondance;
MeshesDOFPositionsCorrespondance __meshesDOFPositions;
public:
const DegreeOfFreedomPositionsSet&
getDOFPositionsSet(const Mesh& mesh,
const DiscretizationType& discretizationType)
{
const DiscretizationType::Type type = discretizationType.type();
MeshesDOFPositionsCorrespondance::iterator
i = __meshesDOFPositions.find(std::make_pair(&mesh,type));
if (i != __meshesDOFPositions.end()) {
(*i).second.first++;
return (*(*i).second.second);
} else {
DegreeOfFreedomPositionsSet* dof
= new DegreeOfFreedomPositionsSet(discretizationType,mesh);
__meshesDOFPositions[std::make_pair(&mesh, discretizationType.type())]
= std::make_pair(1,dof);
return *dof;
}
}
void unsubscribe(const DegreeOfFreedomPositionsSet& dofSet)
{
for (MeshesDOFPositionsCorrespondance::iterator i
= __meshesDOFPositions.begin();
i != __meshesDOFPositions.end(); ++i) {
if ((*i).second.second == &dofSet) {
(*i).second.first--;
if ((*i).second.first == 0) {
delete (*i).second.second;
__meshesDOFPositions.erase(i);
}
return;
}
}
throw ErrorHandler(__FILE__,__LINE__,
"DOF Set not found!",
ErrorHandler::unexpected);
}
Internal()
{
;
}
~Internal()
{
if (__meshesDOFPositions.size() > 0) {
fferr(1) << __FILE__ << ':' << __LINE__
<< ":warning: degrees of freedom set manager is not empty!\n";
}
}
};
const DegreeOfFreedomPositionsSet&
DegreeOfFreedomSetManager::
getDOFPositionsSet(const Mesh& mesh,
const DiscretizationType& discretizationType)
{
return __internal->getDOFPositionsSet(mesh, discretizationType);
}
void DegreeOfFreedomSetManager::
unsubscribe(const DegreeOfFreedomPositionsSet& dofSet)
{
__internal->unsubscribe(dofSet);
}
DegreeOfFreedomSetManager::
DegreeOfFreedomSetManager()
{
__internal = new Internal();
}
DegreeOfFreedomSetManager::
~DegreeOfFreedomSetManager()
{
delete __internal;
}
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