Architecture of Dam Management Information System and Design of Middleware
GU Yan-ling · Water Resources and Power · 2008
A feasible architecture of dam management information system can not only shorten the development period,but also improve the stability of the system.The applied middleware technology can not only support heterogeneous-platform and distributed systems,but also balance resource and has the advantage of code reusing.It has been used in multiply-layer Client/Sever System as each layer frame or the relationship between layers.This paper has researched the application of middleware in dam management information system based on multiply-layer architecture,analyzed the structure and function of the presentation layer,the logic service layers and the data layer,developed the core middleware of the logic service layers-service layer bus and the general database access middleware aiming at distributed heterogeneous databases,solved the unified services management problem and the contradictions between distributed data and centralized application.