摘要： 给出了一个协作设计事务模型，介绍了一种新的保存机制——savepoint机制，然后在此基础上提出了一个基于savepoint机制和日志的协作设计事务恢复处理方法。

关键词: 协作设计事务, 恢复处理, Savepoint机制

Abstract: In this paper, a cooperative design transaction model is introduced and a new protect mechanism——savepoint mechanism is proposed. The savepoint operation and rollback process based on savepoint are also presented. A recovery method based on savepoint mechanism and log for cooperative design transactions is given.

中图分类号: 

• TP311.52