CHAPTER 7Case Study: Building an OrderManagement System
I explored the architecture and design of Java EE applications in the earlier chapters. I also explained the Java EE design patterns with regard to the Spring Framework. Now it's time to put all the concepts you've learned so far together to build a basic application. In this chapter, I will apply the Spring Java EE patterns in the context of an order management system (OMS). This is a simplified version of an OMS that I once built for a telecom company that was used by their customers to register for value-added services such as ringtones, video broadcasting, voicemail, and so on. Using this OMS, users can sign in and then look up and order services. They can also search, cancel, and suspend ...
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