Tom Watson created FELIX-6317:
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Summary: dynamic greedy optional/mandatory references can get
wrong service ranking
Key: FELIX-6317
URL: https://issues.apache.org/jira/browse/FELIX-6317
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Reporter: Tom Watson
@Reference(service = Service.class, cardinality =
ReferenceCardinality.OPTIONAL, policy = ReferencePolicy.DYNAMIC, policyOption =
ReferencePolicyOption.GREEDY)
OR
@Reference(service = Service.class, cardinality =
ReferenceCardinality.MANDATORY, policy = ReferencePolicy.DYNAMIC, policyOption
= ReferencePolicyOption.GREEDY)
The above references may get injected with a service that is not the highest
ranked service in scenarios that involve multiple threads registering the
referenced service with different service rankings at the same time.
If more than one thread is registering the service type with different rankings
it is random which will be the final reference bound to the component. The
expected result is that the highest ranked service is the final service bound
to the component.
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