Time for action – creating an association between EmpEO and DeptEO objects

Carry out the following steps to create an association between EmpEO and DeptEO objects:

1. Select the New option from the File menu and select ADF Business Component from the Business Tier.

2. Enter the package name as com.empdirectory.model.association and the name as EmpEOToDeptEOAssoc in the Create Association wizard. The package structure for all these business objects can be predefined from the Tools | Preferences | ADF Business Components | Packages section.

3. Click on the Next > button to create an association between the entity objects. Select the value of Cardinality as * to 1 from the drop-down menu to represent the many-to-one relationship between EmpEO and DeptEO.

   Note

   The reason for setting the relations as many-to-one is to represent that many Employee entities are available in a single Department entity. Department is a single entity that represents the collection of employees in it.

4. Locate the Deptno attribute...