RFR: 8081474: SwingWorker calls 'done' before the 'doInBackground' is finished [v8]

[Sergey Bylokhov]

On Tue, 31 Jan 2023 15:34:44 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> SwingWorker done() method [spec ](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/SwingWorker.java#L452) says "Executed on the Event Dispatch Thread after the doInBackground method is finished"
>> but there's no mechanism in place to honor that claim.
>> The [spec](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/SwingWorker.java#L289)
>> also says the state should be DONE after doInBackground() returns which is also not done.
>> 
>> Modified the code to honour the specification.
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Test update

How the updated code is supposed to work if the worker will have some state updated by the "doInBackground" and used by the "done" method. I guess if the "doInBackground" will be canceled the "done" method may throw an exception? Do we have such usage in our codebase?

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PR: https://git.openjdk.org/jdk/pull/11940