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 Title: |
US6163776:
System and method for exchanging data and commands between an object oriented system and relational system
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Periwal, Damodar D.; Campbell, CA
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| Assignee: |
Software Tree, Inc., San Jose, CA
other patents from SOFTWARE TREE, INC. (776945) (approx. 1)
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| Published / Filed: |
2000-12-19
/ 1998-03-23
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| Application Number: |
US1998000046779
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| IPC Code: |
Advanced:
G06F 17/30;
Core:
more...
IPC-7:
G06F 17/30;
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| ECLA Code: |
G06F17/30S8T;
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| U.S. Class: |
Current:
001/001;
707/999.004;
707/999.006;
707/999.101;
707/999.103;
Original:
707/004;
707/006;
707/101;
707/103;
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| Field of Search: |
707/002,3,4,101,103,6
345/335,968,333,349
395/702
711/001,100
364/280,4
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| Priority Number: |
| 1998-03-23 |
US1998000046779 |
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| Abstract: |
A system for exchanging data and commands between an object oriented system and a relational system. The system includes an +E,uns O+EE bject-+E,uns R+EE elational +E,uns M+EE apping (ORM) grammar, an ORM specification, Object Class Definitions, a relational database, an operating system, a Database Exchange Unit including an OR mapping unit, a schema generator, a schema reverse engineering unit and applications. The ORM specification is based on the ORM grammar and includes information for defining the mapping between object-oriented system and the relational system. The Object Class Definitions define the object-oriented system, and the relational database defines the relational system. The Database Exchange Unit executes in accordance with the ORM specification, and is the programs/routines that operate to translate data from the object model to the relational model, and vice versa. The present invention further comprises a number of methods including: a method for generating a ORM Data Structures; a method for generating a mapping unit; a method for generating a schema from an object model and an object-relational mapping specification; a method for generating an Object Class Definitions and an ORM specification from an ORM template specification and database schema; and a method for object streaming, and methods for efficient generation of persistently unique sequence numbers for new objects.
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| Attorney, Agent or Firm: |
Fenwick & West LLP ;
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| Primary / Asst. Examiners: |
Amsbury, Wayne; Havan, Thu-Thao
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| Maintenance Status: |
C1 Re-examined
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| INPADOC Legal Status: |
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| Family: |
None
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First Claim:
Show all 42 claims |
What is claimed is:
1. A system for exchanging data between an object-oriented system and a relational system having tables defining a relational model, the system comprising:
- at least one object class definition defining an object model;
- an object relational mapping data structure defining a mapping between the object model and the relational model, the object relational mapping data structure produced from a declarative ORM Specification based on an ORM grammar;
- an exchange unit for translating data from the object model to the relational model and for translating data from the relational model to the object model.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
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