Oracle JDeveloper 11gR2 Cookbook

Overriding remove() to delete a parent entity in an association

In this recipe, we will present a technique that you can use in cases that you want to delete the parent entity in an association when the last child entity is deleted. An example of such a case would be to delete a department when the last department employee is deleted.

Getting ready

You will need access to the HR schema in your database.

How to do it...

1. Start by creating a new Fusion Web Application (ADF) workspace called HRComponents.
2. Create a database connection for the HR schema in the Application Resource section of the Application Navigator.
3. Use the Business Components from Tables selection on the New Gallery dialog to create Business Components objects for ...