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计算机工程 ›› 2008, Vol. 34 ›› Issue (16): 34-36. doi: 10.3969/j.issn.1000-3428.2008.16.012

• 软件技术与数据库 • 上一篇    下一篇

用于构件动态更新的状态传递方法

梁哲聪,沈备军   

  1. (上海交通大学软件学院,上海 200240)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2008-08-20 发布日期:2008-08-20

Approach to State Transition for Component Dynamic Update

LIANG Zhe-cong, SHEN Bei-jun   

  1. (School of Software, Shanghai Jiaotong University, Shanghai 200240)
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-08-20 Published:2008-08-20

摘要: 研究构件动态更新的关键问题――新旧构件实例间的状态传递。根据类的不同改变方式,提出一种不修改虚拟机的对象动态替换方法,有效地控制改变蔓延,并设计了状态传递算法和实验系统,借助Java虚拟机的类装载机制和反射机制,实现了构件实例间的状态 传递。

关键词: 构件, 动态更新, 状态传递

Abstract: Focusing on state transfer between components in dynamic update, an approach that can dynamically update objects is proposed and the so-called modification spread without modifying JVM is prevented. On basis of the mechanism of JVM’s class loading and reflection, an experimental system which implements state transfer is designed.

Key words: component, dynamic update, state transfer

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