事务监控器可扩展性体系结构研究  

Research on the Extensible Architecture of TP Monitor

作　　者：张国栋[1] 金蓓弘[1] 

机构地区：[1]中国科学院软件所软件工程技术中心,北京100080

出　　处：《计算机工程与应用》2005年第11期55-59,共5页Computer Engineering and Applications

基　　金：国家863高科技发展计划资助项目(编号:2001AA113010;2003AA115440);国家973重点基础研究发展规划资助项目(编号:2002CB312005)资助

摘　　要：分布事务监控器为大规模事务处理提供可靠运行环境,已广泛应用于关键性业务领域,如金融电信等领域。分布事务监控器的设计与实现相对复杂,又没有类似的开源项目可供参考,所以,为增加系统功能,改善系统的非功能特性,有必要进行系统重构,通过部分系统的重构,提高系统的可扩展性、可维护性等。该文首先考察了自主开发的事务监控器OnceTX1.0的体系结构,分析了它所存在的问题,然后,给出了拦截器模式在OnceTX中的应用,描述了由此带来的高可扩展性及其存在的不足。Distributed Transaction Processing Monitor provides reliable running environment for large-scale transaction processing,which has been widely applied in critical fields such as finance and telecom.But its design and implementation are relatively complex and there is no open-source project to be referred to.Therefore,it is necessary to reconstruct the system to add functions and enhance some non-functional features,by which the system's extensibility and maintainability can be improved.This paper first introduces the architecture of OnceTX1.0,a TP Monitor developed by authors,and also analyzes the existing problems.Then the paper describes the role of interceptor pattern in OnceTX after reconstructing in detail.In the end,it presents the high extensibility and shortcomings derived from this.

关 键 词：分布事务处理监控器 拦截器 可扩展性 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]