Status: New
Owner: ----
New issue 733 by [email protected]: Marker annotations to enhance
performance of InjectionPoint#getInjectionPoints() method
http://code.google.com/p/google-guice/issues/detail?id=733
I'd like a way to mark certain classes as not needing injection (or at
least not needing Field injection or Member injection) to save some time in
the InjectionPoint#getInjectionPoints() method.
I would like to be able to annotate a class as follows:
@NoFieldInjection(lookInParents=false);
@NoMethodInjection(lookInParents=false);
class DoesntNeedInjection {
@Inject
public DoesntNeedInjection(SomeDependency dependency) {
}
}
@NoFieldInjection(lookInParents = true);
@NoMethodInjection(lookInParents = true);
class DoesntNeedInjection2 extends SomeParentClass {
//uses default constructor, and JIT binding
//this class has no fields/methods but the parent class does
}
-------
My reasoning is that for systems (i.e. RoboGuice) injection start up time
takes a non trivial amount of time and is done in the UI thread (separate
issue, I know, but I'd like to get better performance anyways).
With these marker attributes, we could save crawling the entire inheritance
tree, which could be large if you are using some type of 3rd party library.
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