---

cOracleConnection.h

Go to the documentation of this file.

/******************************************************************************/
/*                                                                            */
/* POLiTe - Persistent Object Library Test                                    */
/*                                        Ph.D. Thesis by Mgr. Michal Kopecky */
/*                                                                            */
/* Charles University Prague                                                  */
/*                                                                            */
/******************************************************************************/
/*                                                                            */
/* File name: ...                                                             */
/* Module: ......                                                             */
/*                                                                            */
/******************************************************************************/

#ifndef __C_ORACLECONNECTION_H__
#define __C_ORACLECONNECTION_H__

// OCI Interface Header
#include <lOracle.h>    //OCI interface for database emulation

// Common POLiTe Header(s)
#include <lTypes.h>
#include <lExceptions.h>

// Parent Header(s)
#include <cConnection.h> // Connection class

class DLL_External OracleConnection : public Connection
{
#ifdef POLITE_TEST_FRIEND
        friend POLITE_TEST_FRIEND;
#endif // POLITE_TEST_FRIEND

friend class OracleDatabase;
friend class OracleCursor;

protected:
         /*volatile*/ Lda_Def _LDA; //Oracle Logon Data Area
         /*volatile*/ ub1 _HDA[HDA_SIZE]; //Oracle Host Data Area
         OracleConnection(
                class Database *DB,
                const char *UserName,
                const char *Password,
                const int LocHandle,
                const int GlobHandle
                );

public:
        virtual ~OracleConnection();

protected:
        virtual bool _Sql(const char * const SqlCommand);
        virtual bool _Commit();
        virtual bool _Rollback();
        virtual bool _Savepoint(const char * const Name);
        virtual bool _RollbackToSavepoint(const char * const Name);

        virtual bool _NextOID(long int &nxtoid, long int &nxtsn);
        // generates new OID and Serial Number for new object
        virtual bool _NextSN(long int curoid, long int &nxtsn);
        // generates new Serial Number for object

public:
        virtual bool Sql(const char * const SqlCommand);
        virtual bool Commit();
        virtual bool Rollback();
        virtual bool Savepoint(const char *Name);
        virtual bool RollbackToSavepoint(const char *Name);
        virtual bool Disconnect();
        virtual bool Abort();
        virtual bool Autocommit(bool ac);

//Obtaining of the new cursor
protected:
        virtual Cursor *_GetNewCursor();
};

#endif //__C_ORACLECONNECTION_H__

---