Re: Listening for changes on an EO
Re: Listening for changes on an EO
- Subject: Re: Listening for changes on an EO
- From: Simon McLean <email@hidden>
- Date: Thu, 9 Jul 2009 19:50:48 +0100
also, if you are using wonder, check out
hasKeyChangedFromCommittedSnapshot in ERXGenericRecord. maybe listen
for the notification mentioned by chuck, then use
hasKeyChangedFromCommittedSnapshot to check the particular key you are
looking at.
simon
2009/7/9 Chuck Hill <email@hidden>:
>
> On Jul 9, 2009, at 10:24 AM, Lon Varscsak wrote:
>
>> Is there a way for a controller object to listen for changes to an EO
>> (and a specific key)?
>>
>> Thanks,
>>
>> Lon
>
> EOEditingContext has ObjectsChangedInEditingContextNotification, but it is
> on an object by object basis, not a key by key one.
>
> You could implement this in your EO super class.
>
>
> 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.
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>
>
>
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