On Wed, Apr 13, 2016 at 11:54 PM, Sergiu Dumitriu <sergiu(a)xwiki.org> wrote:
On 04/13/2016 03:10 AM, Thomas Mortagne wrote:
On Tue, Apr 12, 2016 at 10:11 PM, Vincent Massol
<vincent(a)massol.net> wrote:
Hi Peter,
On 05 Apr 2016, at 19:28, Peter Huisman
<p.huisman(a)ximm.nl> wrote:
From the XWiki source code, I see there is a difference in passing a document to the
evenmanager:
The DocumentDeletingEvent is passing a “new
XWikiDocument(doc.getDocumentReference())"
The DocumentUpdatedEvent (as an example) is passing the doc (the actual XWikiDocument)
The difference is, that the Document passed in the DeleteEvent is a new XWikiDocument and
not the XWikiDocument that is about to be deleted.
Is there a reason why this difference exists?
he code in the XWiki class doing the notify has been there for a long time AFAICS:
om.notify(new DocumentDeletingEvent(doc.getDocumentReference()),
new XWikiDocument(doc.getDocumentReference()), context);
However, I think it’s not correct. I think it should pass the document and not a clone,
because an Event Listener should be able to modify the instance that’s going to be saved.
It's a delete not a save so modifying it would be useless. I guess the
intend here was to have the same kind of data than what you get with
DocumentDeletedEvent.
What is wrong and should be fixed is that the document sent with the
event should have the real one as original document (exactly like it's
done for DocumentDeletedEvent).
Thomas is right, the data sent in the event is supposed to be what the
database will contain after the event is done, and that's what will
(apparently, but not actually) be in the database after the delete: a
new blank document, and doc.originalDoc should be what was before the
change in the database. At least this was the original intention, all
events should behave like this, so that a diff can be computed between
doc and originalDoc regardless of what action happened to the document.
>
> So I’d open a bug for this. Let’s see if the others agree.
>
> Thanks
> -Vincent
>
--
Sergiu Dumitriu
http://purl.org/net/sergiu/
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