MapBundle/Resources/config/routing.yml

ajax_map_list:
    path:      /ajax_map_list
    defaults:  { _controller: MapBundle:Map:getMapList }

ajax_map:
    path:      /ajax_map
    defaults:  { _controller: MapBundle:Map:getMap }

ajax_objecttype_list:
    path:      /ajax_objecttype_list
    defaults:  { _controller: MapBundle:Map:getObjectTypeList }