Hi

Just to extend this...  when (if at all) should we be locking the 
EOObjectStoreCoordinator as well, in the context of background threads?

I lock and unlock my ec in a try, catch, finally, is that enough or do I also 
need to worry about the OSC?  

Thanks


Giles


> Also if you use ERXExecutorService to execute any Plain Old Java Callable (or 
> Runnable), your editing contexts will be auto unlocked by safety-net unlocker 
> at the end of execution if you haven't done so ....... however it is highly 
> recommend that you follow the ec lock/try/finally/unlock pattern in in your 
> Callable.call() or Runnable.run() methods anyway which will be better for 
> long running tasks, recycling ec's if needed, etc. it doesn't hurt.
> 
>       EOEditingContext ec = ERXEC.newEditingContext();
>        ec.lock();
>        try {
>           ........
>        } finally {
>            ec.unlock();
>        }
> 
> And yeah, do what Ramsey said .... save yourself time figuring out 
> concurrency management of EC's, etc. by watching the WOWODC presentation from 
> 2011. There is a bunch of stuff related to this in Wonder to make life in the 
> background easy and totally painless for you and that WOWODC session explains 
> it's usage.
> 
> 
> On Feb 10, 2012, at 11:34 AM, Ramsey Gurley wrote:
> 
>> If you use ERXRunnable, then you still get autolocking.  Just don't try to 
>> pass an existing EC or EOs to a background thread.  Pass EOs by global id 
>> and create the EC on the thread.  
>> 
>> See also Kieran's most recent WOWODC presentation on ERXExecutor stuff and 
>> background thread processing.
>> 
>> Ramsey
>> 
>> On Feb 10, 2012, at 9:30 AM, Michael Gargano wrote:
>> 
>>> Hi everyone,
>>> 
>>>     I just want to get clarification on something before I get myself into 
>>> trouble later.  If I have a headless WO app (or potential just a spawned 
>>> worker thread), and I'm using ERXEC, I need to manually lock and unlock the 
>>> context, correct?  I'm assuming that ERXEC does the autolock/autounlock in 
>>> the RR loop, which I won't have in this situation.
>>> 
>>> Thanks.
>>> -Mike
>>> 
>>> 
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