TPZFileEqnStorage.h

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#ifndef TPZFILEEQNSTORAGE_H
#define TPZFILEEQNSTORAGE_H

#include "tpzeqnarray.h"
#include "pzstack.h"
#include "pzstack.h"
#include "tpzeqnarray.h"
#include "pzfmatrix.h"
/*
 * It has methods for operating over a set of equations. \n
 * The arrays of equations are in the form of a binary files of EqnArrays.
 */
template<class TVar>
class TPZFileEqnStorage : public TPZSavable {
public:
                void ReOpen();
                
                void Zero();
                void ReadBlockPositions();
                void FinishWriting();
                //void SetFileName(const char *name);
                
                void OpenGeneric(char option, const char * name);
                
                TPZFileEqnStorage();
                TPZFileEqnStorage(const TPZFileEqnStorage &cp);
                
                static void main();
                
    ~TPZFileEqnStorage();
    TPZFileEqnStorage(char option, const std::string &name);
                
    void AddEqnArray(TPZEqnArray<TVar> *EqnArray);
                
    void Print(const char *name, std::ostream& out) const; 
                
    void Reset();
    void Backward(TPZFMatrix<TVar> &f, DecomposeType dec) const;
                
    void Forward(TPZFMatrix<TVar> &f, DecomposeType dec) const;

    void Store(int ieq, int jeq, const char *name);    
                
    void WriteHeaders();
                
                std::string GetStorage();
                
        public:
        int ClassId() const override;
                
private:
                //TPZStack<int64_t> fSubBlockIndex;
                
                int fNumHeaders;
                
    TPZStack<int64_t> fBlockPos;

    std::string fFileName;
                
    FILE *fIOStream;
    int fCurrentBlock;
    int fCurBlockPosition;
    int fNumBlocks;
};

template<class TVar>
int TPZFileEqnStorage<TVar>::ClassId() const{
    return Hash("TPZFileEqnStorage") ^ ClassIdOrHash<TVar>() << 1;
}

#endif //TPZFILEEQNSTORAGE_H