[boost] Interest in a template library to encapsulate existing/derived object types?

From: Kevin Barry (ta0kira_at_[hidden])
Date: 2007-01-15 21:46:49

I currently maintain a very simple C++ template library used to encapsulate objects to protect them from modification except for by authorized accessor objects.  These accessor objects are allowed access to the encapsulated objects via a member function they define for the express purpose of processing or viewing those objects.  This limits each object with access to a narrow purpose (or at least to a single entry point,) effectively forcing modular (vice procedural) use of the encapsulated objects.  All capsules which encapsulate these objects are polymorphically clonable.
   
  I've identified 2 main uses for this library:
   
  1) Passing information between different processing units.  Rather than passing data to a static or global function which will perform a procedure, passing encapsulated objects will force that function to strictly perform operations on incoming (or "borrowed") objects using specifically designed modules.
   
  2) Maintaining centralized program data.  Encapsulating global/semi-global data in this manner will force auxiliary units to implement concise modules instead of procedural functions to access and use centralized data.
   
  Possible methods of primary encapsulation: copy existing objects into private data members, derive a class to be self-encapsulating, or dynamic polymorphic storage.
   
  I apologize if this description is too long.  This is my first encounter with this mailing list.  Thank you for your consideration.
  Kevin P. Barry

 
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