public interface ServiceUserMapped
ServiceUserMapped
is 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 ServiceUserMapped
will be satisfied only if ServiceUserMapper.getServiceUserID
will 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.Modifier and Type | Field and Description |
---|---|
static java.lang.String |
SUBSERVICENAME
The name of the osgi property holding the sub service name.
|
static final java.lang.String SUBSERVICENAME
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