question: @ POST @ Produces ( { MediaType . APPLICATION_XML , MediaType . APPLICATION_JSON } ) @ Path ( "/{id}/discover" ) @ CheckPermission ( roles = { Role . TENANT_ADMIN } ) public TaskResourceRep discoverHost ( @ PathParam ( "id" ) URI id ) { ArgValidator . checkFieldUriType ( id , Host . class , "id" ) ; Host host = queryObject ( Host . class , id , true ) ; return doDiscoverHost ( host ) ; }
target:  Discovers (refreshes) a host. This is an asynchronous call.