This can only be done between a parent and child EC.
On 2011-10-02, at 4:32 PM, Pascal Robert wrote:
> I'm working on a page for WOWOC where potentials presenters could submit
> their papers (presentation suggestions). I'm using the HTML routing stuff
> from ERRest, so in my controller, I'm doing:
>
> public WOActionResults createPaperAction() throws Throwable {
> Member presenter = null;
> String tokenValue = this.request().cookieValueForKey("wowodcToken");
> if (tokenValue != null) {
> String username = crypter.decrypt(tokenValue);
> presenter = Member.fetchMember(editingContext(),
> Member.USERNAME.eq(username));
> }
>
> if (presenter != null) {
> Conference conference = Conference.fetchConference(editingContext(),
> Conference.NAME.eq("WOWODC 2012"));
> ConferenceSession newPresentation =
> ConferenceSession.createConferenceSession(editingContext(), conference);
> newPresentation.addToPresentersRelationship(presenter);
> PaperUpdate nextPage = pageWithName(PaperUpdate.class);
> nextPage.setConfSessionItem(newPresentation);
> return nextPage;
> }
> return errorResponse(ERXHttpStatusCodes.STATUS_FORBIDDEN);
> }
>
> And in the component:
>
> protected EOEditingContext editingContext() {
> if (_editingContext == null) {
> _editingContext = ERXEC.newEditingContext();
> }
> return _editingContext;
> }
>
> public void setConfSessionItem(ConferenceSession confSessionItem) {
> this._confSessionItem =
> ERXEOControlUtilities.localInstanceOfObject(editingContext(),
> confSessionItem);
> }
>
> Problem is: localInstanceOfObject always returns null... unless that before
> I'm calling setConfSessionItem, if I call editingContext().saveChanges, now
> localInstanceOfObject. But I don't want to save the EO before moving to a new
> EC, so what is the recipe to move an EO to another EC when the EO have not
> been saved?
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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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