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Re: deleting question again
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Re: deleting question again


  • Subject: Re: deleting question again
  • From: Chuck Hill <email@hidden>
  • Date: Tue, 27 Jul 2010 10:54:12 -0700

On Jul 27, 2010, at 9:44 AM, James Cicenia wrote:

> Hello
>
> I am using the following pattern. Upon creation of an object I also instantiate three related objects.
> Upon saving, I then delete the related objects that have null data as so:
>
> 	    	if(att1.alertTarget()==null || att1.percentageOfAlert() == null ){
> 	    		currentMasterAlert.removeFromAlertThresholdTargetsRelationship(att1);
> 	    		currentMasterAlert.ctEditingContext().deleteObject(att1);

IMO, better to remove it from both sides (unless removeFromAlertThresholdTargetsRelationship is doing that) OR to delete it and let the delete rules handle removing it.  Doing both may confuse EOF.

Chuck


> 	    		att1  = null;
> 	    	}
>
> Which throws the validation exception.
>
> [2010-7-27 8:50:50 CDT] <WorkerThread7> Validation failed on an object [null] with keypath = att2.alertTarget and exception: The alertTarget property of AlertThresholdTarget must have a AlertTarget assigned
> [2010-7-27 8:50:50 CDT] <WorkerThread7> Validation failed on an object [null] with keypath = att3.alertTarget and exception: The alertTarget property of AlertThresholdTarget must have a AlertTarget assigned
>
> What am I missing here or doing that is making a validation rule affect the delete?
>
> Thanks
> James
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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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