As a side note, if you don't have a required inheritance hierarchy in
your context, you can make an AbstractInitableWidget which has a
default, overridable init() and implements IInitableAfterCreation, just
to cut down on boilerplate. It would be good if Matching on the
subclassesOf bit works though, as the above is sort of janky.
c.
On 21 Aug 2013, at 3:55, [email protected] wrote:
Let me a couple of days (this weekend) and I will try to simply my
original
issue to a test case. I still think that maybe something funny is
going on
under some specific conditions.
On Tuesday, August 20, 2013 10:57:47 PM UTC-4, Sam Berlin wrote:
Interesting. I haven't fully digested it, but if its causing
surprising
behavior that you're having trouble explaining, then I think a test
case
would be useful. If only so we can examine it more closely and
figure out
if there is indeed a bug.
On Aug 20, 2013 9:20 PM, <[email protected] <javascript:>> wrote:
Sorry that I'm still not 100% sure, and I do not have a test case to
show, but I'm pretty sure I did find the main cause of this "issue"
in my
application.
I created an interface :
-------------
public interface IInitableAfterCreation
{
public void init();
}
-------------
And this is what I check in the *Matcher* of my *InjectionListener*
:
-------------
@Override
public boolean matches(Binding<?> t)
{
return
IInitableAfterCreation.class.isAssignableFrom(t.getKey().getTypeLiteral().getRawType());
}
-------------
The problem is that I was using this *IInitableAfterCreation*
interface
on my *implementations* objects, not on their interfaces. For
example :
-------------
public class MyWidget implements IMyWidget, IInitableAfterCreation
{
@Override
public void init()
{
}
// ...
}
-------------
This doesn't work! But if I make the* IMyWidge*t *interface* extend
*IInitableAfterCreation
*, then it works :
-------------
public interface IMyWidget extends IInitableAfterCreation {}
public class MyWidget implements IMyWidget
{
@Override
public void init()
{
}
// ...
}
-------------
Is this the way it should work? Some of my *IMyWidget*
implementations
that don't need to be initialized at startup will still have to
implement
the *init()* method?
Anyway, the issue seems less important than what I though, that's
good
news! :-)
Let me know if you still want a test case or if this is not a real
problem actually (I would appreciate to better understand the way it
works
though!). Thanks!
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Christian Gruber :: Google, Inc. :: Java Core Libraries :: Dependency
Injection
email: [email protected] :::: mobile: +1 (646) 807-9839
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