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FBwUpdate.h

//---------------------------------------------------------------------------

#ifndef FBwUpdateH
#define FBwUpdateH
#include <ibase.h>
#include <string>
#include <FBwQuery.h>

//---------------------------------------------------------------------------

namespace fbwrap
{

// What are we using from standard libraries
using std::string;

class FBwUpdate 
{
    string table;
    FBwBQuery *q;
    FBwBQuery updq;
    FBwBQuery insq;
    FBwBQuery delq;
    FBwBQuery refq;
    FBwDb *mdb;
protected:
    void RefreshKey();
    void Execute();
    void Init();
    // ! status flags
    struct {
        bool updCreated:1;
        bool insCreated:1;
        bool delCreated:1;
        bool refCreated:1;
        bool error:1;
    } stat;
    void ClearStat()
    {
        stat.updCreated=false;
        stat.insCreated=false;
        stat.delCreated=false;
        stat.refCreated=false;
        stat.error=false;
    }
    void CreateUpdate(const string &s);
    void CreateInsert(const string &s);
    void CreateDelete(const string &s);
    void CreateRefresh(const string &s);
    // Link to key provider
    FieldList *kp;
    // Link to data provider
    FieldList *dp;
    void RefreshValues();
    void RefreshKeys();
    
public:
    FBwUpdate(FBwDb *pMdb,const string &ptable):
            Values(pMdb),Keys(pMdb),insq(pMdb),delq(pMdb),updq(pMdb),refq(pMdb)
    {
        mdb=pMdb;
        table=ptable;
        ClearStat();
        kp=0;
        dp=0;
        Init();
    }
    FieldList Values;
    FieldList Keys;
    void Update();
    void Append();
    void Delete();
    void Refresh();
    void SetTable(const string &ptable)
    {
        table=ptable;
        Init();
    }
    const string &GetTable() const
    {
        return table;
    }
    void SetUpdateSql(const string &s);
    void SetInsertSql(const string &s);
    void SetDeleteSql(const string &s);
    void SetKeyLink(FieldList *fl)
    {
        kp=fl;
    }
    void SetDataLink(FieldList *fl)
    {
        dp=fl;
    }
    bool Error() const
    {
        return stat.error;
    }
};
//-------------------------------------------------------------------------
}
#endif

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