Object-oriented interface for portability to diverse operating systems or hardware platforms
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United States of America Patent
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Aug 12, 2003
Issued Date -
N/A
app pub date -
Aug 20, 1999
filing date -
Jul 19, 1993
priority date (Note) -
Expired
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Abstract
An object-oriented interface is disclosed for conferring portability for object-oriented programming to diverse operating systems on diverse hardware platforms in a computer system. The object-oriented interface is executable on a plurality of different computer platforms and includes classes of object-oriented methods. The interface is responsive to the object-oriented programming which instantiates its objects from its own classes and invokes the object oriented methods of the interface. Operating system specific, procedural program logic is compiled for use on a given computer platform that includes given computer hardware and a given procedural operating system which is executable on the hardware. A determination is made if the object-oriented methods of the interface to be invoked during runtime execution are present in the program memory of the computer hardware. A runtime loader selectively loads into the program memory any required object-oriented methods of the interface during runtime before their invocation by the object-oriented programming. The object-oriented interface thereby provides native system services to the object-oriented programming from the given computer hardware and procedural operating system.
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