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:
>>
>>>
>>> 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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