code: public static <T> IRelationalJMapper<T> getRelationalMapper(final Class<T> configuredClass){
  		return getRelationalMapper(configuredClass, undefinedXML());
  	}
docs: Returns an instance of RelationalJMapper from cache if exists, in alternative a new instance.
  <br>Takes in input only the annotated Class
  @param configuredClass configured class
  @param <T> Mapped class type
  @return the mapper instance