Object graph editing context and methods of use

Data processing: database and file management or data structures – Database design – Data structure types

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707 10, 707104, 707203, G06R 1700

Patent

active

059567287

ABSTRACT:
The present invention comprises a novel system for managing changes to a graph of data bearing objects In one embodiment, an object graph manager object referred to as an editing context is used to identify changes made to data bearing enterprise objects and to notify other interested objects when changes occur. As a result, data bearing objects need not themselves contain code necessary for monitoring changes. In another embodiment of the invention, the editing context is used to provide event-based "undo" capabilities. In another embodiment of the invention, each enterprise object has a primary key that is used to maintain the identification between an enterprise object instance and a corresponding database row. In another embodiment of the invention, multiple levels of editing contexts are used to provide multiple isolated object graphs, each of which allows independent manipulation of the underlying data bearing objects.

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Kelter, U. "Transaktionskonzepte Fur Non-Standard-Datenbanksysteme," Informationstechnik It, vol. 30, No. 1, 1988, pp. 17-27.
Kleissner, C. "Enterprise Objects.TM. Framework: A second generation object-relational enabler," 1995 ACM Sigmod International Conference on Management of Data, San Jose, California, U.S.A., May 22-25, 1995, vol. 24, No. 2, pp. 455-459.
"Enterprise Objects.TM. Framework: Building Reusable Business Objects," NeXT Computer Publication, Jul. 1994, Redwood City, California, U.S.A., pp. 1-12.

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