TableCell.getTableRow() return value

Jonathan Giles jonathan.giles at oracle.com
Wed Nov 25 21:30:08 UTC 2015


I have filed and attached the issue here:
https://bugs.openjdk.java.net/browse/JDK-8144088

@Kevin - would you mind giving this a quick API review please?

-- Jonathan

On 26/11/15 10:00 AM, Jonathan Giles wrote:
> I found the Jira issue I was looking for....unfortunately it lacks a 
> lot of detail. I have just updated it to give the example of why it 
> had to be backed out.
>
> https://bugs.openjdk.java.net/browse/JDK-8102370
>
> Fortunately the issue was in another location, and I don't think we 
> will have the same issue in this proposed change.
>
> -- Jonathan
>
> On 26/11/15 6:46 AM, Richard Bair wrote:
>> You should be able to add generics compatibly, you just can't change 
>> the generics signature. One shot to get it right IIRC.
>>
>>> On Nov 25, 2015, at 8:57 AM, Jonathan Giles 
>>> <jonathan.giles at oracle.com> wrote:
>>>
>>> It was an oversight at the time, and (from memory) is now a breaking 
>>> change to fix it, so for now it remains as it is, sadly.
>>>
>>> -- Jonathan
>>> Sent from a touch device. Please excuse my brevity.
>>>
>>>> On 26 November 2015 03:33:04 GMT+13:00, Lawrence Parker 
>>>> <larry at answerrocket.com> wrote:
>>>> Seems like getTableRow() should return TableRow<S> instead of just
>>>> TableRow.  That way I wouldn’t have to cast getItem().
>>>>
>>>> https://docs.oracle.com/javase/8/javafx/api/javafx/scene/control/TableCell.html
>>>> <https://docs.oracle.com/javase/8/javafx/api/javafx/scene/control/TableCell.html> 
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>    @Override
>>>>    public void updateItem(Boolean isEnabled, boolean empty) {
>>>> ...
>>>>        TestCase testCase = (TestCase)getTableRow().getItem();
>>>>
>>>> This would be nicer:
>>>>
>>>>        TestCase testCase = getTableRow().getItem();
>>>>
>>>> Seems like an easy change to the getTableRow() method:
>>>>
>>>> public class TableCell<S,T> extends IndexedCell<T> {
>>>> ...
>>>>    public final TableRow getTableRow() { return tableRow.get(); }
>>>>
>>>>
>>>> Was this an oversight, or is there a reason that getTableRow() 
>>>> needs to
>>>> return TableRow instead of TableRow<S>?
>>>>
>>>> Thanks for any help.
>>>>
>>>> -Larry
>



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