Mobile API Reference  MicroStrategy 2019
ReferenceCountedImplementation.h
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1 //==============================================================================================
2 // FILENAME : ReferenceCountedImplementation.h
3 // AUTHOR : Juan Pablo Muraira
4 // CREATION : 9/26/01
5 // Copyright (C) MicroStrategy Incorporated 2001
6 //==============================================================================================
7 #ifndef MSynch_ReferenceCountedImplementation_h
8 #define MSynch_ReferenceCountedImplementation_h
9 
10 #include "Base/Defines/Asserte.h"
11 #include "Synch/Synch/AtomicLong.h"
12 
13 #define REFERENCE_COUNTED_INITIALIZATION mnReferenceCount(0)
14 
15 /*
16  * Derive your class from MBase::ReferenceCounted to get the standard interface
17  * of reference counting. You may get the reference counted implementation
18  * by inserting the REFERENCE_COUNTED_IMPLEMENTATION macro on your implementation
19  * class.
20  */
21 #define REFERENCE_COUNTED_IMPLEMENTATION \
22  public: \
23  virtual void AddRef() const throw() \
24  { \
25  ++mnReferenceCount; \
26  } \
27  virtual void Release() const throw() \
28  { \
29  /* Reference count is corrupted */ \
30  _ASSERTE(mnReferenceCount>0); \
31  if ((--mnReferenceCount) == 0) \
32  { \
33  /* That was the last reference */ \
34  delete this; \
35  } \
36  } \
37  private: \
38  mutable MSynch::AtomicLong mnReferenceCount;
39 
40 #endif // MSynch_ReferenceCountedImplementation_h
Asserte.h
AtomicLong.h