Revisiting the Add Business Logic Step

The portlets we’ve created in the preceding step work, but they are not terribly functional. Let’s add some logic to query information from the database and display it back to the user. For this example, we’ll make extensive use of the graphical functionality of Oracle JDeveloper to simplify our development.

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FIGURE 7-27 Displaying the JDeveloper portlet with a parameter value passed to it

The Application Developer Framework (ADF)

The Application Developer Framework (ADF) is defined by Oracle like this: "Oracle ADF is a comprehensive productivity layer for J2EE developers. It simplifies building applications ...

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