WeakXXListener - when not to use?

[Jeanette Winzenburg]

Zitat von Nir Lisker <nlisker at gmail.com>:

> BTW, Tomas Mikula wrote about this on
> http://tomasmikula.github.io/blog/2015/02/10/the-trouble-with-weak-listeners.html
> .
> There is a comment at the end that is worth a read too.
>
>

thanks for the reference, thought I had seen something like that but  
couldn't find it :)

> On Thu, Mar 26, 2020 at 1:53 PM Jeanette Winzenburg <fastegal at swingempire.de>
> wrote:
>
>>
>> Zitat von Kevin Rushforth <kevin.rushforth at oracle.com>:
>>
>> Thanks for your input!
>>
>> Glad we didn't miss the "minimum bar" height - with the java doc being
>> really clear on that :)
>>
>> What I still don't quite get is the concern about "too early" and "not
>> cleaning up" - maybe I misunderstand the point entirely
>>
>> >
>> > As for whether the above is sufficient, it depends on what the
>> > listener does (what its purpose is).In this simple example, it seems
>> > unlikely that removing the listener when the instance of SomeClass
>> > goes out of scope will cause any problems. It's worth looking at
>> > what "doSomethingUseful" does to see if unregisters anything that
>> > ought to be unregistered (and now maybe won't be if the listener
>> > goes away early).
>> >
>>
>> if not doing that "doSomethingUseful" would cause a - more - terrible
>> misbehavior than a memory leak, would that mean that the
>> listening/update implementation in that specific case would have to be
>> re-thought? F.i. in the case of the ButtonSkin listening to control's
>> scene is changing global state which might be broken if it's not
>> reverted to not having a default/cancel registered? (what a horrible
>> sentence, sry ;)
>>
>> Hmm ..
>>
>>
>>
>>