Re: Problem EOEditingContext
Re: Problem EOEditingContext
- Subject: Re: Problem EOEditingContext
- From: Theodore Petrosky <email@hidden>
- Date: Fri, 13 Jul 2012 10:29:56 -0700 (PDT)
> ------------------------------
>
> Message: 7
> Date: Fri, 13 Jul 2012 09:52:40 -0700
> From: Ramsey Gurley <email@hidden>
> To: Maik Musall <email@hidden>
> Cc: WebObjects Development <email@hidden>
> Subject: Re: Problem EOEditingContext
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=us-ascii
>
>
> On Jul 13, 2012, at 2:23 AM, Maik Musall wrote:
>
> >
> > Am 13.07.2012 um 01:20 schrieb Ramsey Gurley:
> >
> >>
> >> On Jul 12, 2012, at 3:26 PM, Maik Musall wrote:
> >>
> >>>
What about this?
theEC = ERXEC.newEditingContext();
categoryList = AprvVendorCategory.fetchAprvVendorCategories(theEC, AprvVendorCategory.AVC_IS_ACTIVE.eq(true), null);
theNewVendor = ApprovedVendor.createApprovedVendor(theEC, null, categoryList.objectAtIndex(0));
it has always worked fine.
> >>> Am 12.07.2012 um 23:58 schrieb Louis Demers:
> >>>> User newUser =
> (User)EOUtilities.createAndInsertInstance(ec,
> User.ENTITY_NAME) ;
> >>>
> >>> Much too wordy for my taste, and needs a cast
> on top of it. Just add a second constructor in your template
> which does ec.insertObject(this), so that you can simply
> use
> >>>
> >>> User newUser = new User( ec
> );
> >>>
> >>> Do not delete the parameter-less constructor
> though, because EOF needs that internally when restoring
> objects from db. But refrain from using that anywhere in
> your app.
> >>>
> >>> Maik
> >>
> >> I know the rule is not followed strictly in
> WO/Wonder, but as a general rule in java, do not let 'this'
> escape the constructor.
> >>
> >> http://www.javapractices.com/topic/TopicAction.do?Id=252
> >
> > Indeed, you're right. Using a factory method is the
> better way. I just looked into what insertObject() actually
> does and it's really more than you would want to happen
> inside a constructor, although I never had a problem with
> this in years. Still, I'd make a factory method in the
> template to be called like
> >
> > User newUser = User.newInEc( ec );
>
> I like
>
> User newUser =
> User.clazz.createAndInsertObject(ec);
>
> clazz pattern rocks :-)
>
> >
> > Side note: javapractices.com is good, but not
> infallible. For example, it is badly misguided
> > about spaces instead of tabs... ;-)
> (http://www.javapractices.com/topic/TopicAction.do?Id=244)
> >
> > Maik
>
> Haha, I didn't see that one. Sacrilege indeed!
>
> Ramsey
>
>
>
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