Patent
1995-05-24
1996-05-28
Kim, Ken S.
39520003, 39520015, G06F 944
Patent
active
055220711
ABSTRACT:
Method and system for dispatching a message to an alternate object upon its failure to find a required method at the object to which originally sent. The method and system employ the technique of using alternate dispatch variables which can be provided with values naming the alternate objects to which the messages are to be dispatched upon failure of execution at the local object. The alternate object toward which the message is dispatched may contain a method required for execution by a message sent to a first object, but which is unfulfilled by absence of the desired method in the first object. The class of the first object establishes alternate dispatch variables which can be set at run-time by a user making entries in a graphical user interface (GUI) effective to cause redispatch of the message to the alternate object.
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Guillen Juan
Leask James M.
Kim Ken S.
Smart John A.
Sybase Inc.
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