ERXGenericRecord.changesFromCommittedSnapshot
if (changesFromCommittedSnapshot().containsKey(MY_KEY)) {
propertyDidChange(MY_KEY);
}
As mentioned by Aaron this could be wedged into overridden setters,
validate<Attribute> methods or even worked into your eogen template if you
wanted this behaviour model wide.
It might also be worth looking at the audit trail implementation in
ERCoreBusinessLogic for ideas on a configurable observer/notifier.
Sharpy.
> On 25 May 2020, at 10:40 am, ocs--- via Webobjects-dev
> <webobjects-dev@lists.apple.com> wrote:
>
> Hi there,
>
> I'd need to get a notification whenever a property of my EO changes, be it
> directly through a setter, or through an inverse-relationship being
> maintained, or through an object of an M:N deleted, whatever way. Something
> like
>
> class MyEO extends ERXGenericRecord {
> void propertyDidChange(String key) {
> ... to be called just after any property of mine changes, with its key ...
> }
> }
>
> Does EOF or WOnder provide something like that? Whatever I try, I can't find
> it. I could easily observe willChanges of course, but that's something rather
> different...
>
> Thanks,
> OC
>
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