Quoting from the same link below: > If you override any of these operation-specific validation methods, be sure > to invoke the super implementation. This is important, as the default > implementations of the validateFor... methods pass the check on to the > object's EOClassDescription, which performs basic checking among properties, > including invokingvalidateValueForKey for each property. The EOAccess layer's > EOEntityClassDescription class verifies constraints based on an EOModel, such > as delete rules. For example, the delete rule for a Department object might > state that it can't be deleted if it still contains Employee objects.
On Jun 21, 2010, at 3:31 PM, James Cicenia wrote:
> It does save the delete. And, the docs don't say anything about on delete
> unless someone adds their own overrides etc.
>
> I don't see any, but then again, I am new to this particular model. I will
> have to talk to the other developers about it.
>
> thanks
>
> On Jun 21, 2010, at 5:12 PM, Chuck Hill wrote:
>
>>
>> On Jun 21, 2010, at 2:10 PM, James Cicenia wrote:
>>
>>> Hello -
>>>
>>> I am doing this:
>>>
>>> if(att1.alertTarget()==null || att1.percentageOfAlert() == null ){
>>>
>>> currentMasterAlert.removeFromAlertThresholdTargetsRelationship(att1);
>>> currentMasterAlert.ctEditingContext().deleteObject(att1);
>>> att1 = null;
>>> }
>>>
>>>
>>> but get this:
>>>
>>> [2010-6-21 16:4:50 CDT] <WorkerThread8> Validation failed on an object
>>> [null] with keypath = att3.alertTarget and exception: The alertTarget
>>> property of AlertThresholdTarget must have a AlertTarget assigned
>>
>> You probably don't need the removeFromAlertThresholdTargetsRelationship, the
>> model is probably doing that for you.
>>
>>
>>> Yet it does delete the entity:
>>
>> Does it save the delete?
>>
>>
>>> Why does it want to run validation during a delete?
>>
>> Validating Before an Operation
>> The EOValidation methods -- validateForInsert, validateForUpdate,
>> validateForSave, and validateForDelete -- validate an entire object to see
>> if it's valid for a particular operation. These methods are invoked
>> automatically by the Enterprise Objects Framework when the associated
>> operation is initiated.
>>
>> http://developer.apple.com/legacy/mac/library/documentation/MacOSXServer/Reference/WO54_Reference/com/webobjects/eocontrol/EOValidation.html
>>
>>
>> Chuck
>>
>>
>> --
>> Chuck Hill Senior Consultant / VP Development
>>
>> Practical WebObjects - for developers who want to increase their overall
>> knowledge of WebObjects or who are trying to solve specific problems.
>> http://www.global-village.net/products/practical_webobjects
>>
>>
>>
>>
>>
>>
>>
>
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their overall
knowledge of WebObjects or who are trying to solve specific problems.
http://www.global-village.net/products/practical_webobjects
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