摘要
随着企业管理的发展,动态企业资源计划软件成为企业资源计划领域的一个研究热点。解决持久数据的动态性问题是实现动态企业资源计划软件的基础。本文从数据结构的角度将持久数据归纳为广义表结构和广义递归结构,提出了在抽象数据模型基础上构造持久对象的设计思想。最后,设计实现了一组基于抽象结构的持久数据访问构件,并在部署阶段与具体物理存储进行动态绑定,解决了持久数据结构及数据源的不确定性问题。
With the development of enterprise management, the dynamic Enterprise Resource Planning (ERP) software system is becoming into a hotspot. The dynamic persistent data, which are the basis of dynamic ERP, are studied. First, from the viewpoint of data structure,the persistent data are divided into the generalized table structure and generalized recursion structure. Then the design thought that persistent objects are constructed on the basis of the abstract data model is brought out. Finally a set of reusable persistent data access components is realized, which proved the feasibility of the thought that an abstract data model component is firstly constructed and bound dynamically with the concrete physical storage structure lately in the deployment phase. Through the study on the dynamic of persistent data, the problem of the structure of persistent objects and their uncertainty is solved, which enforces the flexibility of ERP systems.
基金
国家863/CIMS主题资助项目(2001AA41160)。~~
