Based On J2ee Architecture, Eai Applications

With the rapidly development of Internet and e-commerce, more and more enterprises want to deploy their own application to Internet rapidly and efficiently in order to promote their productivity,to low the operating costs and to provide more and more personal and first-rate service to their customers as the same time.In order to fit in with the continuous changing of enterprise application rapidly and release ourself from a lot of repetitive hard coding so that we can focus on development of our enterprise application logic, we must need a excellent enterprise application server to build our enterprise application.This thesis analyses J2EE architecture and the key technology belonging to it. The thesis explains how to develop, deploy and run our enterprise application on a popular application server:BEA WebLogic Server. The main content of this thesis is to realize a concentrating stock trading system which adapts J2EE architecture, build a 3-tier web architecture:JSP/Servlet for display logic tier, EJB for business logic tier, Oracle for data storage tier and BEA WebLogic Server for the of application server.Most of current mature applications are in traditional C/S or OLTP model. Compared with concentrating stock trading system which is designed with OOA thoughts on the J2EE platform, they are lack of ability of extending and being maintained.On the base of the analysis above, we build a new concentrating stock trading system on J2EE application server for: The J2EE application server masks all the difference of various hardware, Operating System, DataBase and other applications. The enterprise application have a clear architecture and good ability of extending and being maintained. End users can make a transaction in counter office or from everywhere in Internet. To make good use of Internet so that end user can do transaction anywhere any anytime to avoid the occurrence about neck of bottom of hardware in office. There is only one united database in whole application system. Thatis all transaction data are all concentrated in headquarters.No office can own its database and every office will become a thin client to provide excellent service. It is easy for headquarters to manage, evaluate and test everyoffice.So the designing of concentrating stock trading system adopts Object-Orient design thoughts. Using UML method to design architecture is through all whole designing process. And using the managing method of software project to control the process of the application.