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https://issues.apache.org/jira/browse/PIVOT-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16014555#comment-16014555
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Roger Whitcomb commented on PIVOT-997:
--------------------------------------
Final set of changes in "trunk". Now all of the references to WTKListenerList
have been replaced with "ListenerList":
Sending wtk\src\org\apache\pivot\wtk\Action.java
Sending wtk\src\org\apache\pivot\wtk\ActivityIndicator.java
Sending wtk\src\org\apache\pivot\wtk\Alert.java
Sending wtk\src\org\apache\pivot\wtk\Border.java
Sending wtk\src\org\apache\pivot\wtk\BoxPane.java
Sending wtk\src\org\apache\pivot\wtk\Button.java
Sending wtk\src\org\apache\pivot\wtk\ButtonGroup.java
Sending wtk\src\org\apache\pivot\wtk\Calendar.java
Sending wtk\src\org\apache\pivot\wtk\CalendarButton.java
Sending wtk\src\org\apache\pivot\wtk\CardPane.java
Sending wtk\src\org\apache\pivot\wtk\ColorChooser.java
Sending wtk\src\org\apache\pivot\wtk\ColorChooserButton.java
Sending wtk\src\org\apache\pivot\wtk\Component.java
Sending wtk\src\org\apache\pivot\wtk\Container.java
Transmitting file data ..............done
Committing transaction...
Committed revision 1795442.
> Deprecate (and eventually remove) the WTKListenerList class, which is
> currently empty
> -------------------------------------------------------------------------------------
>
> Key: PIVOT-997
> URL: https://issues.apache.org/jira/browse/PIVOT-997
> Project: Pivot
> Issue Type: Improvement
> Components: wtk
> Affects Versions: 2.1
> Environment: All
> Reporter: Roger Whitcomb
> Assignee: Roger Whitcomb
> Priority: Minor
>
> The WTKListenerList class was originally added as a subclass of ListenerList,
> but with thread-safety checks in it (basically checking that all the
> operations were performed on the Event Dispatch Thread (EDT) or "main" during
> startup). All these checks were removed some time ago, so that component
> hierarchies could be built "offline", that is in a background thread, either
> by BXMLSerializer, or programmatically. This left WTKListenerList as an
> empty class, but with comments to the effect that it was used to provide
> thread safety checks.... This is confusing, and unnecessary. So, I propose
> to deprecate the class in version 2.1, replacing all the internal references
> with just "ListenerList", and so the class can be removed at some point after
> that.
> Note: deprecating it in the 2.0.x branch is not really an option, since it
> means the build gets 100s of warnings about the deprecation, which is not
> good for a release branch.
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