Persistent object mapping system and method with abstract schema mapper

Patent 5729739 Issued on March 17, 1998. Estimated Expiration Date:

December 8, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

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Inventors

Application

No. 569550 filed on 12/08/1995

US Classes:

707/103R, Object-oriented database structure719/316Managed object system

Examiners

Primary: Black, Thomas G.
Assistant: Alam, Hosain T.

Attorney, Agent or Firm

LaBaw; Jeffrey S., Dillon; Andrew J.

International Class

G06F 007/00

Abstract

A system for mapping data between a selected object and a persistent medium in an object-oriented computer system is disclosed, wherein the data is manipulated by processing methods associated with the object. The system selects a target to which the data is to be mapped and converts the data invoking to an environment type in which the data is to be mapped. The system further constructs a mapping method associated with the mapping request for mapping between the selected object and the persistent medium, where the method group consists of "store new", "store existing", "restore", and "delete". Further, a method is also disclosed for mapping a data structure between an object, which is in a class object, and a persistent medium in an object-oriented environment. The method includes receiving a request to map the data structure between the object and the persistent medium at the object. The request is sent from the identification object to the class object. A plurality of data mapping methods is then defined for each persistent object Then, a request to invoke one of the plurality of mapping methods is constructed. After which, one of the plurality of mapping methods for mapping the data structure between the object and the persistent medium is performed.