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Shared Objects - Classes and Interfaces

The hierarchy of global classes that are involved when working with shared objects is as follows:

CL_ABAP_MEMORY_AREA
  |
  |--CL_SHM_AREA
  |    |
  |    |--Area Classes
  |
  |--CL_IMODE_AREA

Meaning of the three predefined system classes:

There is also a system interface, which must be implemented by the class for the optional area constructor:

IF_SHM_BUILD_INSTANCE
  |
  |--Area Constructor Class




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Shared Objects - CL_ABAP_MEMORY_AREA
Shared Objects - IF_SHM_BUILD_INSTANCE