Click on Oracle in the Database Explorer
> Open the contextual menu >
JBDC connection will be created
Create a JPA Project
Click in the Package Explorer >
New > Other > JPA > JPA Development > Next
your Connection (e.g. Oracle) and your implementation library
3. Generate Java
Code from your database
Click on your JPA project in your Package Explorer > JPA tools >
the source folder and the table you want to transform into Java Classes
(e.g. Article, Categorize etc...)
Create a package in which your code will be generated (e.g. entities)
Click on the finish button.
Your previously selected tables have
been created as Entity Classes in your Package Explorer in the package
4. Reverse Oracle
Database into a class Diagram
Click on your JPA project in your Package
Explorer > UML > Create/Update UML Model.
This will create a new UML 2.1 Metamodel from your Java Code Entities.
your project and the package you want to upgrade to UML > Next > Next > Annotations (EJB3)
> Click on the Finish button.
project has been updated to UML 2.1 metamodel.
Click on your project and select src
> entities > Open Reverse UML > Class Diagram > select
association and click on the OK button.
Here is the class diagram which will be displayed inside Eclipse 3.3 in
the JPA Perspective.