Pierre De Rop created FELIX-4305:
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Summary: DependencyMananer Adapters - service properties
propagation
Key: FELIX-4305
URL: https://issues.apache.org/jira/browse/FELIX-4305
Project: Felix
Issue Type: Improvement
Components: Dependency Manager
Reporter: Pierre De Rop
When creating an adapter service, the adapter service inherits the service
properties of the adapted service (aspect, service id, service rank and object
class excluded) and can have additional properties specified.
For example:
Service A [ objectClass=X, service.id=1, name=Piet ]
A serviceAdapter on A looks like:
ServiceAdapter A [ objectClass=Y, service.id=2, name=Piet, system=X]
It inherits the non-identifying service properties from A (name), and can have
additional properties defined (system).
Now I change the service properties for Service A. After this, it looks like:
Service A [ objectClass=X, service.id=1, name=Sint ]
But after this change, the service properties modification is not propagated to
the ServiceAdapter, which is currently unaffected:
ServiceAdapter A [ objectClass=Y, service.id=2, name=Piet, system=X]
It is desirable to propagate the changed properties of "A" to the
"ServiceAdapter A", so it then becomes:
ServiceAdapter A [ objectClass=Y, service.id=2, name=Sint, system=X]
It is then the responsibility of clients depending on the service adapter to
listen to service properties change events (using the ServiceDependency
"change" callback).
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