RFR: 8277848 Binding and Unbinding to List leads to memory leak [v8]

[Michael Strauß]

On Thu, 12 Jan 2023 08:53:14 GMT, Florian Kirmaier <fkirmaier at openjdk.org> wrote:

>> Making the initial listener of the ListProperty weak fixes the problem.
>> The same is fixed for Set and Map.
>> Due to a smart implementation, this is done without any performance drawback.
>> (The trick is to have an object, which is both the WeakReference and the Changelistener)
>> By implying the same trick to the InvalidationListener, this should even improve the performance of the collection properties.
>
> Florian Kirmaier has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains eight commits:
> 
>  - Merge remote-tracking branch 'origjfx/master' into JDK-8277848-list-binding-leak
>    
>    # Conflicts:
>    #	modules/javafx.base/src/main/java/javafx/beans/property/ListPropertyBase.java
>    #	modules/javafx.base/src/main/java/javafx/beans/property/SetPropertyBase.java
>    #	modules/javafx.base/src/test/java/test/javafx/beans/property/SetPropertyBaseTest.java
>  - Merge remote-tracking branch 'origjfx/master' into JDK-8277848-list-binding-leak
>  - JDK-8277848
>    Added tests to ensure no premature garbage collection is happening.
>  - JDK-8277848
>    Added 3 more tests to verify that a bug discussed in the PR does not appear.
>  - JDK-8277848
>    Added the 3 requests whitespaces
>  - JDK-8277848
>    Further optimization based code review.
>    This Bugfix should now event improve the performance
>  - JDK-8277848
>    Added missing change
>  - JDK-8277848
>    Fixed memoryleak, when binding and unbinding a ListProperty. The same was fixed for SetProperty and MapProperty.

Marked as reviewed by mstrauss (Committer).

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PR: https://git.openjdk.org/jfx/pull/689