公开(公告)号：MY121581A

公开(公告)日：2006-02-28

申请号：MYPI9605519

申请日：1996-12-27

Applicant: IBM

Inventor： BENANTAR MESSAOUD ,  BLAKLEY GEORGE ROBERT III ,  COPELAND GEORGE P ,  NADALIN ANTHONY J

IPC: G06F12/14 ,  G06F1/00 ,  G06F9/42 ,  G06F9/44 ,  G06F9/46 ,  G06F21/00 ,  G06F21/24

Abstract: A SYSTEM, METHOD AND ARTICLE OF MANUFACTURE FOR CONTROLLING ACCESS TO OBJECTS IN AN INFORMATION HANDLING SYSTEM EMPLOYING OBJECT ORIENTED TECHNOLOGY, INCLUDES ONE OR MORE PROCESSORS , A MEMORY SYSTEM, ONE OR MORE I/O CONTROLLERS EACH CONTROLLING ONE OR MORE I/O DEVICES, A BUS CONNECTING THE PROCESSORS, THE MEMORY SYSTEM AND THE I/O CONTROLLERS, AN OPERATING SYSTEM CONTROLLING OPERATION OF THE PROCESSORS, THE MEMORY SYSTEM AND THE I/O CONTROLLERS, AND AN OBJECT ORIENTED CONTROL MEANS WHICH INCLUDES A BEFOREAFTER METACLASS HAVING A CONTROL ELEMENT WHICH IS USED TO CONTROL ACCESS TO OBJECTS. A SECURE METACLASS IS DEFINED TO BE A SUBCLASS OF THE BEFOREAFTER METACLASS. THE SECURE METACLASS OVERRIDES THE BEFORE METHOD TO PERFORM AUTHORIZATION CHECKING PRIOR TO METHOD DISPATCHING.