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Home » Modeling » EMF » Copy of generated model
Copy of generated model [message #431499] Tue, 14 July 2009 10:01 Go to next message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6457
Registered: July 2009
Senior Member
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Hi,

I copied a generated model:

| EPackage model1 = (EPackage)EcoreUtil.copy(getModel1Package());|


Can I expect that the resulting EPackage instance is dynamic and
equivalent to directly loading the original model1.ecore file?

There is an EEnum in this EPackage and I discovered that after copying
the package the enum literals return genrated instances from
literal.getInstance(). Is that a bug or a feature?

Cheers
/Eike

----
http://thegordian.blogspot.com
http://twitter.com/eikestepper



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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<body bgcolor="#ffffff" text="#000000">
Hi,<br>
<br>
I copied a generated model:<br>
<br>
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Re: Copy of generated model [message #431500 is a reply to message #431499] Tue, 14 July 2009 10:42 Go to previous messageGo to next message
Achim Demelt is currently offline Achim DemeltFriend
Messages: 160
Registered: July 2009
Senior Member
Eike,

Did you change the nsURI of the copied EPackage? If not, you are likely to
run into trouble since anyone resolving the EPackage or the Factory by nsURI
will retrieve the originally registered instance. Maybe this is what happens
with your enum literals.

Cheers,
Achim

Eike Stepper wrote:

> Hi,
>
> I copied a generated model:
>
> | EPackage model1 = (EPackage)EcoreUtil.copy(getModel1Package());|
>
>
> Can I expect that the resulting EPackage instance is dynamic and
> equivalent to directly loading the original model1.ecore file?
>
> There is an EEnum in this EPackage and I discovered that after copying
> the package the enum literals return genrated instances from
> literal.getInstance(). Is that a bug or a feature?
>
> Cheers
> /Eike
>
> ----
> http://thegordian.blogspot.com
> http://twitter.com/eikestepper
Re: Copy of generated model [message #431501 is a reply to message #431500] Tue, 14 July 2009 10:45 Go to previous messageGo to next message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6457
Registered: July 2009
Senior Member
Achim Demelt schrieb:
> Eike,
>
> Did you change the nsURI of the copied EPackage? If not, you are likely to
> run into trouble since anyone resolving the EPackage or the Factory by nsURI
> will retrieve the originally registered instance. Maybe this is what happens
> with your enum literals.
>
Well, I'm using my own registry but I'll try your hint. Thx ;-)

Cheers
/Eike

----
http://thegordian.blogspot.com
http://twitter.com/eikestepper


> Cheers,
> Achim
>
> Eike Stepper wrote:
>
>
>> Hi,
>>
>> I copied a generated model:
>>
>> | EPackage model1 = (EPackage)EcoreUtil.copy(getModel1Package());|
>>
>>
>> Can I expect that the resulting EPackage instance is dynamic and
>> equivalent to directly loading the original model1.ecore file?
>>
>> There is an EEnum in this EPackage and I discovered that after copying
>> the package the enum literals return genrated instances from
>> literal.getInstance(). Is that a bug or a feature?
>>
>> Cheers
>> /Eike
>>
>> ----
>> http://thegordian.blogspot.com
>> http://twitter.com/eikestepper
>>
>
>
>


Re: Copy of generated model [message #431508 is a reply to message #431499] Tue, 14 July 2009 14:23 Go to previous message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6457
Registered: July 2009
Senior Member
A bug, according to Ed:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=283419

Cheers
/Eike

----
http://thegordian.blogspot.com
http://twitter.com/eikestepper



Eike Stepper schrieb:
> Hi,
>
> I copied a generated model:
>
> | EPackage model1 = (EPackage)EcoreUtil.copy(getModel1Package());|
>
>
> Can I expect that the resulting EPackage instance is dynamic and
> equivalent to directly loading the original model1.ecore file?
>
> There is an EEnum in this EPackage and I discovered that after copying
> the package the enum literals return genrated instances from
> literal.getInstance(). Is that a bug or a feature?
>
> Cheers
> /Eike
>
> ----
> http://thegordian.blogspot.com
> http://twitter.com/eikestepper
>
>


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