# This setting is designed for running a registry-only SFA instance

from sfa.generic import Generic


class void (Generic):

    # the importer class
    # when set to None, the importer only performs the basic stuff
    # xxx this convention probably is confusing, since None suggests that
    # *nothing* should be done..
    # xxx need to refactor the importers anyway
    def importer_class(self):
        return None

    # use the standard api class
    def api_class(self):
        import sfa.server.sfaapi
        return sfa.server.sfaapi.SfaApi

    # the manager classes for the server-side services
    def registry_manager_class(self):
        import sfa.managers.registry_manager
        return sfa.managers.registry_manager.RegistryManager

    def aggregate_manager_class(self):
        import sfa.managers.aggregate_manager
        return sfa.managers.aggregate_manager.AggregateManager

    # driver class for server-side services, talk to the whole testbed
    def driver_class(self):
        import sfa.managers.driver
        return sfa.managers.driver.Driver