Method and system for maintaining the integrity of a database pr

Details Method and system for maintaining the integrity of a database pr Method and system for maintaining the integrity of a database pr

1998-01-30

2000-02-22

Alam, Hosain T.

Data processing: database and file management or data structures

Database design

Data structure types

707 8, 707103, 707202, 709101, 709303, G06F 1730

Patent

active

06029177&

ABSTRACT:
One aspect of the invention is a method for updating a database providing persistent storage for a plurality of objects each comprising methods and instance variables, wherein a persistent record of each of the plurality of objects will experience a change in the context of a transaction if the transaction is allowed to commit. The method comprises sending a first prepare message to each of the plurality of objects, the plurality of objects sending their state to the database in response to the first prepare messages. A second prepare message is sent to the database if a prepared indicator was received in response to each of the first prepare messages. A commit message is sent to each of the plurality of objects and to the database if a prepared indicator was received in response to each of the first prepare messages and if a prepared indicator was received in response to the second prepare message.

REFERENCES:
patent: 5712971 (1998-01-01), Stanfill et al.
patent: 5872969 (1999-02-01), Copeland et al.
"A Change Management Framework: Dependency Maintenance and Change Notification," Huh, Soon-Young et al., Journal of Systems Software, vol. 34, Issue 3, pp. 231-246, Sep. 1996.

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