Pluggable strategy interface used for free mappings.
Free mappings (ones where the current mapping )
are executed by calling a ActionMappingStrategy
implementation.
So, using a custom strategy is an easy way to
customize the mapping.
Gets the mapping action to map the given element.
Parameters: namespace - not null Parameters: name - not null Parameters: attributes - Attributes, not null Parameters: context - ReadContext, not null MappingAction, not null throws: Exception -