UML to EJB

Hi all,
i am using Sun Java Studio Enterprise 8.1 and i see there is a UML-Tool. Can i model with this UML-Tool an ejb-architecture? if yes, please say me how, or is there anyone tutorial or document to learn that.

Sun Java Studio Enterprise 8.1 is based on NetBeans 5.0 (and provides features such as UML modeling as add-ons to NetBeans 5.0). Since then UML module itself has been open-sourced and is being developed at netbeans.org.
For UML modeling, you may want to work with the latest versions of NetBeans and install the UML module add-on on top of it.
- NetBeans 5.5.1
Download and install the ide from http://www.netbeans.org/
Bring up the ide and use 'Tools | Update Center' menu to download and install UML module from the Update Center
- NetBeans 6.0
You can download the latest milestone of NB6 from http://dlc.sun.com/netbeans/download/6.0/milestones/latest/ .
uml.netbeans.org provides the starting page for UML module. From here there are links to documentation, faqs, blogs and other information.
Regarding EJB support:
UML for NetBeans 5.5 supports design patterns for ejb:
From http://www.netbeans.org/products/uml/:
here is a full set of predefined and extensible design patterns including EJB 1.1,
EJB 2.0 and Gang of Four (23 patterns).The article 'Designing Patterns With UML' at http://developers.sun.com/jsenterprise/nb_enterprise_pack/reference/techart/uml_patterns.html is for a slightly older version but should still apply.
EJB code generation is not currently supported but is on the roadmap:
http://wiki.netbeans.org/wiki/view/UMLRoadmap

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