gmValueSetEvalContext.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_VALUE_SET_EVAL_CONTEXT_H_
#define _GEMA_VALUE_SET_EVAL_CONTEXT_H_

#include "gmCoreConfig.h"
#include "gmCell.h"
#include "gmThreadLocalStorage.h"

#include <QString>
#include <QMap>
#include <QMutex>

class GmUserFunction;
class GmUserFunctionEvaluator;
class GmSimulationData;
class GmMesh; 
class GmCell;
class GmValueInfo;
class GmLogCategory;

class GMC_API_EXPORT GmValueSetEvalContext
{
public:
  GmValueSetEvalContext(GmSimulationData* simData, const GmMesh* mesh);

  ~GmValueSetEvalContext();

  const GmMesh* mesh() const { return _mesh; }

  GmSimulationData* simulationData() const { return _simData; }

  int dataIndex() const { return _data.localData()._dataIndex; }

  int ipIndex() const { return _data.localData()._ipIndex; }

  bool ghostData() const { return _ghostData; }

  void setCell(const GmCell* cell, int ip) { CacheAlignedData& d = _data.localData(); d._dataIndex = cell->cellId(); d._ipIndex = ip; }

  void setDataIndex(int dataIndex) { assert(dataIndex >= 0);  _data.localData()._dataIndex = dataIndex; }

  void setGhostData(bool mode) { _ghostData = mode; }

  GmUserFunction*          userFunction(QString id);
  GmUserFunctionEvaluator* userFunctionEvaluator(QString id, const GmValueInfo* info, 
                                                 const GmLogCategory& logger, QString& err);
  GmUserFunctionEvaluator* userFunctionEvaluator(GmUserFunction* ufunc, const GmValueInfo* info, 
                                                 const GmLogCategory& logger, QString& err);

  const QMap<GmUserFunction*, GmUserFunctionEvaluator*>& evaluatorMap() const 
  { 
    assert(GmThreadManager::inMainThread());
    return _evalMap;
  }

private:
  Q_DISABLE_COPY(GmValueSetEvalContext)

  
  struct CacheAlignedData
  {
    int                       _dataIndex;  
    int                       _ipIndex;    
    GmUserFunction*           _cacheKey;   
    GmUserFunctionEvaluator*  _cacheEval;  

    CacheAlignedData() : _dataIndex(-1), _ipIndex(-1), _cacheKey(NULL), _cacheEval(NULL) {}
  };

  const GmMesh*                 _mesh;    
  GmSimulationData*             _simData; 
  bool                          _ghostData; 
  GmTLS<CacheAlignedData, true> _data;    
  QMutex                        _mapMutex; 

  QMap<GmUserFunction*, GmUserFunctionEvaluator*> _evalMap; 
};


#endif