1 // IStateArchivable.h 2 // * PURPOSE 3 // Similar to BArchivable, but provides for archiving of 4 // a particular object's state, not the object itself. 5 // This mechanism doesn't instantiate objects. 6 // 7 // * HISTORY 8 // e.moon 27nov99 Begun 9 10 #ifndef __IStateArchivable_H__ 11 #define __IStateArchivable_H__ 12 13 #include "cortex_defs.h" 14 __BEGIN_CORTEX_NAMESPACE 15 16 class IStateArchivable { 17 public: 18 // empty virtual dtor 19 virtual ~IStateArchivable() {} 20 21 public: // *** INTERFACE 22 virtual status_t importState( 23 const BMessage* archive) =0; 24 25 virtual status_t exportState( 26 BMessage* archive) const =0; 27 }; 28 29 __END_CORTEX_NAMESPACE 30 #endif /*__IStateArchivable_H__*/ 31 32