Web feature service (WFS) locking support based on...

Details Web feature service (WFS) locking support based on... Web feature service (WFS) locking support based on...

2006-03-24

2010-06-29

Nguyen, Cam-Linh (Department: 2161)

Data processing: database and file management or data structures

Data integrity

Concurrent read/write management using locks

C707S694000, C707S703000

Reexamination Certificate

active

07747591

ABSTRACT:
Locking feature instances in a web feature service by processing a web feature service data transformation request; identifying a table associated with the web feature service data transformation request from a feature type identified in the request; determining if the table associated with the web feature service data transformation request is enabled for long transaction locking; and, if the table is long transaction lock enabled, locking at least one feature instance associated with a filter condition of the web feature service data transformation request by associating a session transferable identifier with the at least one feature instance and identifying the client session as owner of the session transferable identifier; and enabling a transfer of the long transaction lock to another client session in response to a lock transfer request from the another client session that references the session transferable identifier in a web feature service transaction request.

REFERENCES:
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patent: 2006/0123003 (2006-06-01), Lightstone et al.
patent: 2006/0242110 (2006-10-01), Goldstein

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