Dynamic Description Of Database And The Upper Data Services Subsystem Design And Implementation

With the rapid development of Internet and computer technology, enterprises demand much higher on the process industry monitoring aspect of their production. In order to automatically adapt to different industrial enterprises in their own corporate structures and different needs of the monitoring, in order to guarantee real-time monitoring system, in order to avoid client monitoring subsystem configuration repeatability enormous job, but also to improve software reuse rate, the author is located at the laboratory team, through years of research results in the field to analyze and summarize, design a set of common distributed monitoring platform.This article details the core subsystems - data services subsystem database structure design. First, one mechanism is proposed to map database table structure and information tree, in order to meet the needs that system can be customized, while shielding database, implementation of other subsystems of the Common Services Subsystem inquiries; Besides, to satisfy other classmates' research in the same group, such as subsystem configuration updates dynamically, the data transfer in the array mechanism, the author designs a set of complex database structure, and thus on the overall implements the dynamic description of the database; And then through Over past experience in the application of monitoring system, based on the inheritance and development in the field of laboratory research achievements, the author summarizes the majority of data services that may exist; Finally chose interaction protocol with the B/S, C/S subsystem through analysis and comparison, and completes interface definition with other subsystems.In the design and implementation process, the author uses a variety of classic computer technology and design idea, combined with a database of many optimization strategies, and strive to be considerate of the system to achieve a comprehensive and detailed attention.