In Chapter 2, An Overview of Oracle Event Processing, we learned about the Oracle Event Processing development environment for Eclipse. This included importing, deploying, and running a sample application. In Chapter 3, Adapting Events for OEP, we learned about one of the most fundamental parts of any OEP application, namely, creating adapters for OEP so that you can receive data into your application.
In this chapter, we will look more closely at other elements of an OEP application and explain in detail the Event Processing Network (EPN). The EPN defines the flow of events through your application and contains various nodes that control the flow and perform different types of processing. We will explain each of the types of nodes, discuss why they are used, and demonstrate how they are connected to form your own application. Each of these nodes can also have associated configuration elements. We will explore the configuration of the...