SQLDriver.h

Go to the documentation of this file.

 
#ifndef __DCL_SQLDRIVER_H__
#define __DCL_SQLDRIVER_H__ 20050206
 
#ifndef __DCL_DLL_H__
#include <dcl/Dll.h>
#endif
#ifndef __DCL_INIFILE_H__
#include <dcl/IniFile.h>
#endif
 
#ifndef __DCL_SQLCORE_H__
#include <dcl/SQLCore.h>
#endif
 
__DCL_BEGIN_NAMESPACE
 
// Database Driver managements
class SQLDriver;
class DCLCAPI SQLDriverException : public Exception
{
    DECLARE_CLASSINFO(SQLDriverException)
public:
    enum ErrorCode
    {
        eInvalidDriverModule,   // DCLDynamicEntryPoint가 유효하지 않다.
        eInvalidVersion,        // 유효하지 않은 DCL_SQL_VERSION 이다.
        eInitializeFail,        // 모듈초기화 callback 실패
        eCleanupFail            // cleanup callback fail
    };
 
    String      __name;
    ErrorCode   __errorCode;
    String      __driverSummary;
public:
    SQLDriverException(const String& _name, Exception* _cause);
    SQLDriverException(const String& _name, ErrorCode _errorCode);
    SQLDriverException(const String& _name, ErrorCode _errorCode,
                    const String& _driverSummary);
 
    virtual String toString() const;
};
 
class DCLCAPI SQLDriver : public Dll
{
    DECLARE_CLASSINFO(SQLDriver)
private:
    long    __refCount;
 
public:
    long refCount() const   { return __refCount; }
    long addRef();        // new incremented __refCount
    long release();      // new decremented __refCount
public:
    SQLDriver(const String& _name)
        __DCL_THROWS1(SQLDriverException*);
 
    virtual ~SQLDriver();
 
    void open(const String& _name)
        __DCL_THROWS1(SQLDriverException*);
 
    void close()
        __DCL_THROWS1(SQLDriverException*);
 
    // properties
    const String& driverName() const { return __driverName; };
    String getDriverSummary() const;
 
    SQL::Connection* createConnection();
    void destroyConnection(SQL::Connection* pConnection);
 
protected:
    SQL::DRIVER_MODULE*       __pModuleEntryPoint;
    String                  __driverName;
 
public:
    static SQLDriver* getDriver(const String& _name)
            __DCL_THROWS1(SQLDriverException*);
 
    static void closeDriver(SQLDriver* _pSQLDriver)
            __DCL_THROWS1(SQLDriverException*);
};
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_SQLDRIVER_H__