public interface ServiceUserMapped
ServiceUserMappedis a marker service that can be used to ensure that there is an already registered mapping for a certain service/subService. A service reference targeting a
ServiceUserMappedwill be satisfied only if
ServiceUserMapper.getServiceUserIDwill resolve the subService to an userID. For example setting the reference target to "(subServiceName=mySubService)" ensures that your component only starts when the subService is available. The subServiceName will not be set for mappings that do not have one, and those can be referenced with a negating target "(!(subServiceName=*))". Trying to reference a sub service from a bundle for which it was not registered for will not work. As the service user mapper implementation is using a fallback, it is usually best to use a reference target that includes both options, the sub service name and the fallback, therefore a target like "(|((subServiceName=mySubService)(!(subServiceName=*))))" should be used.
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