Callback method invoked after marshalling source to XML.

Callback method invoked after marshalling source to XML.

This method is invoked after source and all its descendants have been marshalled.
Note that if the class of source defines its own afterMarshal method,
the class specific callback method is invoked just before this method is invoked.
Parameters:
- source - instance of JAXB mapped class after marshalling it.

Callback method invoked before marshalling from source to XML.

Callback method invoked before marshalling from source to XML.

This method is invoked just before marshalling process starts to marshal source.
Note that if the class of source defines its own beforeMarshal method,
the class specific callback method is invoked just before this method is invoked.
Parameters:
- source - instance of JAXB mapped class prior to marshalling from it.