DM/ Annotations should allow to enable or disable auto-configuration mode.
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Key: FELIX-2965
URL: https://issues.apache.org/jira/browse/FELIX-2965
Project: Felix
Issue Type: Improvement
Reporter: Pierre De Rop
Assignee: Pierre De Rop
Priority: Minor
This issue only concerns dependency manager annotations, not the core API.
Currently, when using dependency manager annotations, components are
automatically injected with the following
objects (in class fields):
- BundleContext
- Component
- DependencyManager
- ServiceRegsitration.
A new annotation "@Inject" should allow to enable/disable such
auto-configuration mode.
For example:
@Component
class MyComponent; {
@Inject
BundleContext bc;
@Inject
DependencyManager dm;
@Inject
Component component;
}
By default, auto-configuration should be disabled, unless the @Inject
annotation is used. (but for backward compat, the auto-config mode should be
enabled by default if the osgi bundle context "dm.runtime.autoconfig" property
is set to true).
The ServiceRegistration should be provided in a callback method, in order to
notify the component that it has been registered.
This callback method can be annotated with the @Registered annotation, and the
method may then take a "ServiceRegistration" parameter, which is the object
that was used to register the service.
Likewise, @Unregistered annotation should also be added to the annotation API,
in order to notify the component that is has been unregistered from the
registry.
@Unregistered can be useful if the component is using the @LifecycleController,
or if it is using some "instance-bound" extra dependencies (using the API).
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