facet classafIoc::Contribute
sys::Obj afIoc::Contribute : sys::Facet
Use in AppModule
classes to denote a service contribution method. The service to be contributed to is derived from either the serviceId, serviceType, or the method name.
Either serviceId
or serviceType
should be defined, not both.
- optional
const Bool optional := false
Marks the contribution as optional; no Err is thrown if the service is not found.
This allows you to contribute to services that may or may not be defined in the registry. (e.g. contributing to optional 3rd party library)
- serviceId
const Str? serviceId := null
The id of the service to be configured.
Use either this or
serviceType
, not both.- serviceType
const Type? serviceType := null
The type of the service to be configured.
Use either this or
serviceId
, not both.