Method and apparatus for creating dynamic roles with a system object model
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United States of America Patent
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Jun 9, 1998
Grant Date -
N/A
app pub date -
Nov 30, 1995
filing date -
Nov 30, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for providing dynamic roles for objects in an object-oriented programming environment. A mechanism adds roles dynamically for an object depending on the context of the object. The IBM System Object Model (SOM) is the principal building block for enabling this function. The dispatch resolution method of the System Object Model supports the functions of this invention. The dynamic objects are represented as list of objects where objects are added to the list at any time. For example, when an application program is started, a person object will only have a student object. Before calling a function requiring teacher characteristics, the teacher role is added to the person object. When the function call returns, the teacher role is deleted from the person object if the role is no longer needed.
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