【作者】 田伟；

【导师】 吴宇红；

【作者基本信息】 西安电子科技大学 ， 通信与信息系统， 2007， 硕士

【摘要】 反射中间件是当前中间件技术研究中值得注意的一个新方向。它克服了传统中间件“黑箱”结构的缺陷,具有系统结构行为有序开放、可重配置等特点,能支持针对不同应用类型进行定制,可较好地适应动态变化的分布式环境和应用需求,已在移动计算、多媒体应用等多个领域展现出较好的应用前景。论文对反射技术和中间件技术进行了广泛的研究。在分析当前已经广泛使用的反射中间件框架的基础上,提出一种反射中间件模型。该模型基于组件设计,整个系统的灵活性更强,同时,采用多元层设计的结构,克服了当前反射中间件设计中面临的结构过于简单的问题。论文的研究工作还包括将反射中间件OpenORB实际应用到一个VoIP管理系统当中。由于采用反射中间件,提高了系统的适应性,满足了不同用户的需求。更多还原

【Abstract】 Reflective middleware is a noteworthy new direction of middleware research. It eliminates the deficiency of traditional object-oriented middleware systems by opening their“black-box”structure and providing inspection and adaptation capabilities for developers with computational reflection techniques. Reflective middleware supports the customization for different application domains and the adaptation of distributed applications to dynamically evolving environments and user requirements. Its strength has already been shown in the areas such as mobile computing, multimedia applications, etc.This paper has an extensive research to the reflection and middleware technology. Base on the study of the structure of some useful reflective middleware, we propose a reflective middleware model. The design of the model is base on component, leads to flexible middleware system. At the same time, for adapting multiple meta-level structures, the model can solve the problem of poor simple structure in reflective middleware designation.The work of the paper also includes applying a reflective middleware - OpenORB in a VoIP management system. Because of adapting reflective middleware, we can widely improve the adaptability of system and meet the needs of different users.更多还原