OciParam.h

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#ifndef __DCL_OCI_PARAM_H__
#define __DCL_OCI_PARAM_H__     20020321
 
#include "OciData.h"
 
__DCL_BEGIN_NAMESPACE
 
class InputStream;
 
class OciParam : public SQL::Param, public OciData
{
    DECLARE_CLASSINFO(OciParam)
protected:
 
    union {
        OCINumber   number;
        OCIDate     date;
        void*       desc;           // OCILobLoator*, OCIDateTime*
    } __data;
 
    // inbindCallback에서 __inputStream과
    // outbindCallback에서 OciData::__bytesOutput과 사용된다.
    // 이것의 크기는 __DYNAMIC_BUFFER_SIZE이다.
    void*           __buffer;
 
    sb2             __inputIndicator;
    InputStream* __inputStream;
    void*           __inputValue;
 
    virtual OciQuery* query() const;
 
public:
//  bool writeBlob();       // BLOB support by OciQuery
    ub2 dataType() const { return OciData::__valueType; }
 
    OciParam();
    virtual ~OciParam();
 
    bool init(SQL::Query* _query, ub4 _position);
    bool doBind();
    bool onAfterExecute();
 
protected:
    // interfaces
 
    // Field implementaion
    virtual const wchar_t* serverDataTypeName() const;
 
    virtual bool __getDataSize(
        size_t*         _size,
        bool            _maxsize
    );
 
    virtual bool __getData(
        void*           _buf,       // data, OUT
        size_t*         _size,      // sizeof *_buf, IN OUT
        SQL::DataType  _bufType
    );
 
    // Param implementaion
 
    // output parameter support
    virtual bool __setOutputType(
        SQL::DataType  _sqlType
    );
 
    virtual void setNull();
 
    virtual bool __setData(
        _CONST void*  _val,
        size_t          _size,
        SQL::DataType  _valType,
        SQL::DataType  _sqlType
    );
 
    // implementation
    bool setTimeStamp(
        const SQL::TimeStamp* _val,
        size_t          _size,
        SQL::DataType  _sqlType
    );
 
    bool setInterval(
        const SQL::Interval* _val,
        size_t          _size,
        SQL::DataType  _sqlType
    );
 
protected:
    static sb4 inbindCallback(
        dvoid*      _ictxp,
        OCIBind*    _bindp,
        ub4         _iter,
        ub4         _index,
        dvoid**     _bufpp,
        ub4*        _alenp,
        ub1*        _piecep,
        dvoid**     _indpp
    );
 
    static sb4 outbindCallback(
        dvoid*      _octxp,
        OCIBind*    _bindp,
        ub4         _iter,
        ub4         _index,
        dvoid**     _bufpp,
        ub4**       _alenpp,
        ub1*        _piecep,
        dvoid**     _indpp,
        ub2**       _rcodepp
    );
 
    sb4 inbindCallback(
        OCIBind*    _bindp,
        ub4         _iter,
        ub4         _index,
        dvoid**     _bufpp,
        ub4*        _alenp,
        ub1*        _piecep,
        dvoid**     _indpp
    );
 
    sb4 outbindCallback(
        OCIBind*    _bindp,
        ub4         _iter,
        ub4         _index,
        dvoid**     _bufpp,
        ub4**       _alenpp,
        ub1*        _piecep,
        dvoid**     _indpp,
        ub2**       _rcodepp
    );
};
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_OCI_PARAM_H__