ociattr.h

一个通用的oracle OCI开发程序包

#ifndef _COCIAttribute
#define _COCIAttribute

#ifndef OCI_ORACLE
#include "oci.h"
#endif

#ifndef _COCIType
#include "ocitype.h"
#endif

class COCIObject;
class COCIBLob;
class COCICLob;
class COCINumber;
class COCIDate;
class COCIString;
class COCIRef;


template<class T>
class COCICollection;
template<class T>
class COCIVArray;
template<class T>
class COCINestedTable;


const int buf_size = 30;

class COCIAttribute
{
public:
  COCIAttribute(const COCISession& Sess, dvoid* obj_instance, COCIType pType, COCIObject* parent = (COCIObject*)0);
  COCIAttribute(const COCISession& Sess, dvoid* obj_instance, dvoid* attr_instance, text* attr_name, text* type_name, OCITypeCode typecode, COCIObject* parent = (COCIObject*)0);
  operator int () const;
  operator unsigned int () const;
  operator short () const;
  operator unsigned short () const;
  operator long () const;
  operator unsigned long () const;
  operator float () const;
  operator double () const;
  operator long double () const;

  operator char* () const;
  operator COCIBLob () const;
  operator COCICLob () const;
  operator COCIObject () const;
  operator COCINumber () const;
  operator COCIDate   () const;
  operator COCIString () const;
  operator COCIRef    () const;
  operator COCIVArray<COCINumber> () const;
  operator COCIVArray<COCIString> () const;
  operator COCINestedTable<COCINumber> () const;
  operator COCINestedTable<COCIObject> () const;

  //COCIAttribute& operator = (const COCIAttribute& src);

  text* get_attr_name(){return m_AttrName;}
  text* get_type_name(){return m_TypeName;}
  OCITypeCode get_type_code(){return m_TypeCode;}
  dvoid* get_attr_instance(){return m_pAttrInstance;}

private:
  const COCISession& m_Session;
  dvoid* m_pObjectInstance;
  dvoid* m_pAttrInstance;
  text m_AttrName[buf_size];
  text m_TypeName[buf_size];
  OCITypeCode m_TypeCode;
  COCIType m_Type;
  COCIObject* m_parent;
};

#endif