RFR 8081845: JShell: Need way to refresh relative to external state

[Robert Field]

Yep. I think we need this functionality anyhow and we need real world data 
to know when it will fail and what other options we should pursue.

Thanks,
Robert



On January 7, 2016 2:01:01 PM Jan Lahoda <jan.lahoda at oracle.com> wrote:

> On 7.1.2016 17:20, Robert Field wrote:
>> Thank you Jan.
>>
>> Taking too long is a real concern.  Anything ctrl-c'ed when initially
>> entered will not be recorded in replay history.
>>
>> Any side-effects should be the same the second time.  Or, an I missing
>> your meaning?
>
> I was thinking of "external" side-effects, like creating or deleting a
> file. I think practice will show if (and when) that will be causing
> problems (i.e. to what degree it is problematic to do these the second
> time).
>
> Jan
>
>>
>> Thanks,
>> Robert
>>
>>
>>
>> On January 7, 2016 4:34:55 AM Jan Lahoda <jan.lahoda at oracle.com> wrote:
>>
>>> Seems OK to me. I wonder if we will have problems with snippets taking
>>> too long to execute, or with side-effects, but we will find out.
>>>
>>> A nit:
>>>
>>> In @@ -250,10 +261,16 @@:
>>> // Read replay history from last jshell session into previoius history
>>> ->
>>> // Read replay history from last jshell session into previous history
>>>
>>> Jan
>>>
>>> On 31.12.2015 07:55, Robert Field wrote:
>>>> JBS Issue: https://bugs.openjdk.java.net/browse/JDK-8081845
>>>> Webrev: http://cr.openjdk.java.net/~rfield/8081845v1/
>>>>
>>
>>