[jira] [Created] (FELIX-4392) make @Property use RetentionPolicy.RUNTIME so that code can use runtime field/setter injecting property values

[james strachan (JIRA)]

james strachan created FELIX-4392:
-------------------------------------

             Summary: make @Property use RetentionPolicy.RUNTIME so that code 
can use runtime field/setter injecting property values
                 Key: FELIX-4392
                 URL: https://issues.apache.org/jira/browse/FELIX-4392
             Project: Felix
          Issue Type: Improvement
          Components: SCR Annotations
            Reporter: james strachan


It'd be nice to be able to write a base class for a @Component with an 
@Activate method taking the Map<String,Object> of configurations and performing 
field or setter injection of configurations via @Property - but the annotation 
is not retained at runtime right now due to CLASS not RUNTIME RetentionPolicy 
on @Property.

Any idea why not? Was this on purpose or just an oversight?

e.g. it'd be nice to be able to code components like this (and get the SCR and 
MetaType metadata auto-generated)

{code}
public abstract class MyAbstractComponent {
    @Activate
    public void activate(Map<String, ?> configuration) throws Exception {
       // use introspection to find the fields and setters with @Property 
annotated...
    }
}

...

@Component(name = "foo")
public FooComponent extends MyAbstractComponent {
@Property
private int foo;
@Property
private String bar;
....
{code}




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