Method of handling errors in complex inheritance hierarchies

Details Method of handling errors in complex inheritance hierarchies Method of handling errors in complex inheritance hierarchies

1997-05-28

1999-09-07

Beausoliel, Jr., Robert W.

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

395683, G06F 1100

Patent

active

059481072

ABSTRACT:
A method of handling errors in complex inheritance hierarchies. A complex inheritance hierarchy is derived so as to have a single common ancestor, the base class, at the top of the hierarchy. The base class has an error handler class nested inside to handle errors occurring in the hierarchy. When an error occurs in a class in the hierarchy, an error message is pushed on a stack accessible by the error handler subject to certain conditions. In one embodiment, the conditions include either the recoverability of the error, the severity of the error, or both. In an embodiment in which a condition is recoverability, an error that is successfully recovered does not require an error message be pushed on the stacks as no further handling is required.
If an error message is pushed on the stack, an error signal is then returned to the calling class. Unless the error is such that it can be recovered or ignored, the error will be propagated to the application, making an initial call to the hierarchy, with each class along the way adding its own error message to the stack within the base class.

REFERENCES:
patent: 5307490 (1994-04-01), Davidson et al.
patent: 5379407 (1995-01-01), Todd
patent: 5437025 (1995-07-01), Bale et al.
patent: 5455949 (1995-10-01), Conder et al.
patent: 5701487 (1997-12-01), Arbouzov
patent: 5740354 (1998-04-01), Ben-Natan et al.
patent: 5778369 (1998-07-01), Pascoe et al.

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