Defining Standard JDO Persistence Descriptors

To customize the generated JDO persistence descriptor and O/R mapping extensions, PowerDesigner uses extended attributes for classes, attributes and associations.

The standard JDO 1.0 persistence descriptor does not support O/R mapping. To define O/R mapping, you must use a JDO product that provides an O/R mapping extension.

• Generating a Standard JDO Persistence Descriptor Without Any Extension
  You generate a standard JDO persistence descriptor without any extension as follows:
• Generating a Separate .jdo File for Each Package that Contains Persistent Objects
  You generate a separate .jdo file for each package that contains persistent objects as follows:
• Class Extended Attributes
  The following extended attributes are available:
• Attribute Extended Attributes
  The following extended attributes are available:
• Association Extended Attributes
  The following extended attributes are available:

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Created October 7, 2009. Send feedback on this help topic to Sybase Technical Publications: pubs@sybase.com