src/SUIT/SUIT_DataObjectKey.h

   1 #ifndef SUIT_DATAOBJECTKEY_H
   2 #define SUIT_DATAOBJECTKEY_H
   3
   4 #if _MSC_VER > 1000
   5 #pragma once
   6 #endif // _MSC_VER > 1000
   7
   8 #include "SUIT.h"
   9
  10 class SUIT_EXPORT SUIT_DataObjectKey
  11 {
  12 public:
  13   SUIT_DataObjectKey();
  14   ~SUIT_DataObjectKey();
  15
  16   virtual bool isLess( const SUIT_DataObjectKey* ) const = 0;
  17   virtual bool isEqual( const SUIT_DataObjectKey* ) const = 0;
  18
  19 private:
  20   int     refCounter;
  21
  22   friend class SUIT_DataObjectKeyHandle;
  23 };
  24
  25 class SUIT_EXPORT SUIT_DataObjectKeyHandle
  26 {
  27 public:
  28   SUIT_DataObjectKeyHandle();
  29   SUIT_DataObjectKeyHandle( SUIT_DataObjectKey* );
  30   SUIT_DataObjectKeyHandle( const SUIT_DataObjectKeyHandle& );
  31   ~SUIT_DataObjectKeyHandle();
  32
  33   void                      nullify();
  34   bool                      isNull() const;
  35   bool                      operator <( const SUIT_DataObjectKeyHandle& ) const;
  36   bool                      operator ==( const SUIT_DataObjectKeyHandle& ) const;
  37   SUIT_DataObjectKeyHandle& operator =( const SUIT_DataObjectKeyHandle& );
  38
  39 private:
  40   void                      beginScope();
  41   void                      endScope();
  42
  43 private:
  44   SUIT_DataObjectKey*       myKey;
  45 };
  46
  47 #endif