Databases Reference
In-Depth Information
3
Understanding the Model Layer
In the previous chapter, we had an overview of the framework in action. We
created a sample application using the ADF components and ran it successfully.
Isn't it easy to develop a complete application in this way? The answer is most
probably yes, because we hardly wrote any code and yet we had a complete,
working web application.
So what's next? We will dig deeper into the ADF business components to
know more about the capabilities of the framework in the real world. ADF
business components will help the developers to reduce the time taken to
build objects for communicating with the database and manipulating the
records. These components are also responsible for maintaining and
managing the transactions efficiently.
In this chapter, we will learn the following:
About different business components
How these components are interrelated
How the components work
Opions available in each of the components
ADF business components
In the previous chapter, we created a set of components in the model layer to expose
the business service to the UI Layer. The business components are used to simplify the
developer's interacion with the database layer in a typical JEE applicaion.
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