I think you have to set it on the parent and you have to do it while the 
context is fresh.  If you fetch EOs into a context and then set it, I believe 
it will throw an exception. That's my recollection of it anyway :-)

Ramsey

On Dec 11, 2012, at 4:25 PM, Maik Musall wrote:

> Hi Johnny,
> 
> I'm not entirely sure, but I think you need to 
> setRetainRegisteredObjects(true) on the parent immediately after the parent's 
> creation if you ever plan to create child editing contexts on it. That's what 
> I do, although it costs memory if you can't always decide that at parent's 
> creation time. In that respect, my previous comment was too unprecise, sorry.
> 
> But let's see what Ramsey says.
> 
> Maik
> 
> 
> Am 12.12.2012 um 00:17 schrieb Johnny Miller <jlmil...@kahalawai.com>:
> 
>> Hi Maik,
>> 
>> Does this look right to you?
>> 
>>      public EOEditingContext ec() {
>> 
>>              if(null == _ec) {
>>                      _ec = ERXEC.newEditingContext();
>>              }
>>              
>>              return _ec;
>> 
>>      }
>>      
>>      public EOEditingContext childEc() {
>>              ec().setRetainsRegisteredObjects(true);
>>              return ERXEC.newEditingContext(ec(), false);
>>      }       
>> 
>>              public createObject() {
>>                      EOEditingContext childEc = childEc();
>>                      // create the object
>>              }
>> 
>> I'm just wondering if it's OK that _ec could be around for a while before I 
>> setRetainsRegisteredObjects to true on it.
>> 
>> Thanks a lot!
>> 
>> On Dec 11, 2012, at 1:02 PM, Maik Musall <m...@selbstdenker.ag> wrote:
>> 
>>> Do it immediately after creating the child editing context.
>>> 
>>> Am 11.12.2012 um 21:57 schrieb Johnny Miller <jlmil...@kahalawai.com>:
>>> 
>>>> Thank you kind Sir.  I thought i was going crazy.
>>>> 
>>>> When do you use setRetainsRegisteredObjects?  When the EO is initialized?
>>>> 
>>>> Thanks a million!
>>>> 
>>>> On Dec 11, 2012, at 10:41 AM, Ramsey Gurley <rgur...@smarthealth.com> 
>>>> wrote:
>>>> 
>>>>> This is a known issue when using child editing contexts. The only current 
>>>>> workaround I'm aware of is:
>>>>> 
>>>>> parentEC.setRetainsRegisteredObjects(true);
>>>>> 
>>>>> Ramsey
>>>>> 
>>>>> On Dec 11, 2012, at 1:37 PM, Johnny Miller wrote:
>>>>> 
>>>>>> Hello everyone,
>>>>>> 
>>>>>> I'm having problem with a newly deployed app where these errors are 
>>>>>> popping up intermittently all over the place.
>>>>>> 
>>>>>> I was wondering if maybe I could get some advice on whether some things 
>>>>>> I'm doing are possibly causing this...
>>>>>> 
>>>>>> 1.  I'm only using ERXEC 
>>>>>> 2.  I'm not explicitly using lock or unlock anywhere.
>>>>>> 3.  I'm creating new EOs with a child EditingContext - I'm going to go 
>>>>>> to peer editing context in new build but in some cases I just can't do 
>>>>>> this i.e. the EO is created using a wizard and I don't want to insert 
>>>>>> the EO unless the user completes the wizard.
>>>>>> 4.  I'm using EOEditingContext.setDefaultFetchTimestampLag(0) in the 
>>>>>> application constructor.
>>>>>> 
>>>>>> This app has a fair amount of data and a few users who are crunching 
>>>>>> away on it, constantly adding and updating records.  I set item 4 to 0 
>>>>>> because I was worried about users viewing data that is out of sync.
>>>>>> 
>>>>>> Could #4 be tripping the error?
>>>>>> 
>>>>>> Aloha,
>>>>>> Mr. Johnny Miller
>>>>>> Web Development Manager
>>>>>> Kahalawai Media Company
>>>>>> Lahaina, HI 96761
>>>>>> tel: (808) 661-7962 | mobile: (808) 283-0791
>>>>>> website | e-mail 
>>>>>> 
>>>>>> _______________________________________________
>>>>>> Do not post admin requests to the list. They will be ignored.
>>>>>> Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
>>>>>> Help/Unsubscribe/Update your Subscription:
>>>>>> https://lists.apple.com/mailman/options/webobjects-dev/rgurley%40smarthealth.com
>>>>>> 
>>>>>> This email sent to rgur...@smarthealth.com
>>>>> 
>>>> 
>>>> _______________________________________________
>>>> Do not post admin requests to the list. They will be ignored.
>>>> Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
>>>> Help/Unsubscribe/Update your Subscription:
>>>> https://lists.apple.com/mailman/options/webobjects-dev/maik%40selbstdenker.ag
>>>> 
>>>> This email sent to m...@selbstdenker.ag
>>> 
>> 
> 
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
> Help/Unsubscribe/Update your Subscription:
> https://lists.apple.com/mailman/options/webobjects-dev/rgurley%40smarthealth.com
> 
> This email sent to rgur...@smarthealth.com

 _______________________________________________
Do not post admin requests to the list. They will be ignored.
Webobjects-dev mailing list      (Webobjects-dev@lists.apple.com)
Help/Unsubscribe/Update your Subscription:
https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to