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Welcome to AXgen |
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AXgen is a code generator using XMI as input and Velocity
templates for transformation. Searching Sourceforge for "generator"
or "XMI" results a list of more then 25 projects dealing with
code generation. You may ask yourself why there is the need for another
generator. |
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The power of AXgen is it's simplicity. You do not need to
understand the complex structure of the XMI file or to write complicated XSLT
stylsheets. AXgen accesses the model metadata through an UML abstraction
layer with implementations based on Nsuml or NetBeans MDR providing an
objectoriented view to the model. Consequently, AXgen is easy to use without
restricting flexibility.
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Further AXgen makes use of Jakartas Velocity. Velocity
is a very sophisticated Java-based template engine. This means that inside
your templates you can call Java methods. Feel free to write templates that
generate anything you want. |
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Our motivation to develop AXgen was to generate Java Classes
and other artefacts for use with an O/R Mapping tool that allows transparent
persistence for Java Objects against relational databases. Therefore AXgen comes
with a bundle of ready to use templates for generating ObJectRelationalBridge
(OJB) specific stuff
like:
- Entity Classes
- XML Repository
- SQL script to build the DB scheme
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Main features of AXgen |
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AXgen consists of three major parts:
- An UML abstraction layer. Providing it's own abstraction layer, AXgen is
independent of a specific UML implementation. Currently Nsuml and NetBeans
MDR are supported. Furthermore, AXgen can merge several models referencing
one another with the UML abstraction layer resolving the references online.
- An ANT task used to perform generation.
- A set of templates and predefined configurations to generate OJB artefacts.
If you want to use OJB and model your entities with an ULM case tool, AXgen
is made for you.
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