Use eclipselink.metadata-repository.xml.file
to specify the name of the metadata repository XML file to read from, using classloader to find the resource.
Values
Table 5-64 describes this persistence property's values.
Usage
Use this property with the eclipselink.metadata-source
property when using an XML repository.
Examples
See Also
For more information, see:
Metadata Source Examples
http://wiki.eclipse.org/EclipseLink/Examples/JPA/MetadataSource/
"Using an External Metadata Source" in Solutions Guide for EclispeLink