Threads should not be Cloneable

[Brian Goetz]

Explicit non-objection :)

On Aug 13, 2010, at 9:58 AM, Chris Hegarty wrote:

> 
> The issue of whether Threads should be Cloneable came up during the discussion of another problem. I talked to David about this and we believe there is no value being able to clone a thread, in fact it can cause some strange problems. David sent a mail [1] to the concurrency-interest mailing list requesting feedback on this. No objections to date.
> 
> To that end, I filed CR 6968584: "Thread should not be Cloneable" and am proposing to add the following to Thread:
> 
>    /**
>     * Throws CloneNotSupportedException as a Thread can not be meaningfully
>     * cloned. Construct a new Thread instead.
>     *
>     * @throws  CloneNotSupportedException
>     *          always
>     */
>    protected final Object clone() throws CloneNotSupportedException {
>        throw new CloneNotSupportedException();
>    }
> 
> Thanks,
> -Chris.
> 
> [1] http://cs.oswego.edu/pipermail/concurrency-interest/2010-August/007326.html