HiberObjects

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Trails

Trails is a domain driven development framework in the spirit of Ruby on Rails or Naked Objects. It can easily generate web pages for CRUD applications.

You can use HiberObjects to design the domain classes for Trails.

Creating a Trails Project

Please follow the instructions on the Trails site to create a new project. You will need Maven2.

When the project is created and imported into Eclipse, you can add HiberObjects capabilities to it:

• Right-click on the project and select Properties. Select the HiberObjects page.
• Select Enable HiberObjects Functionality.
• Set the Root Package according to how the project was created with Maven.
• Select the conf directory src/main/resources.
• Don't create hibernate.properties or log4j.properties. These are already created by Trails.
• Select the Unit Test src directory src/test/java.

In the Persistence page, set the following preferences:

• Platform: Java Persistence API
• Create persistence.xml: Deselected.
• Add Hibernate libraries and Add HSQLDB libraries: Deselected. Trails will add these using Maven.

Modeling Classes

Now, just model classes in HiberObjects as usual.

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Save the diagram and test the Trails application by running mvn jetty:run from the command line and opening http://localhost:8080/ in a browser.

Customization

The toString() method of the domain classes is used to render text in lists. The toString() that is generated by HiberObjects is meant for debugging, not for the user interface. You should implement toString() in the domain classes manually. Remove the @generated tag and return a nice text for the user interface.

Trails will quickly get a web application up and running with some default pages. The pages can be highly customized.

Copyright © 2009 Object Generation AB