Home » Modeling » UML2 » Stereotype and Properties
| Stereotype and Properties [message #478574] |
Wed, 01 July 2009 12:41  |
Eclipse User |
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Hi,
I would like to understand why in the uml2 editor, it is possible to
edit a property of a sterotype typed by a primitiveType whereas it is
not possible when the property is typed by a Datatype ?
TestCase1 :
StereotypeA has a property (prop) typed by a primitiveType (Real for
instance). StereotypeA has an extension on Metaclass 'Element'
When applying the stereotype to a class, the properties view allows you
to edit the property 'prop'.
TestCase2 :
StereotypeB has a property (propB) typed by a datatype (Time for
instance). StereotypeB has an extension on Metaclass 'Element'
When applying the stereotype to a class, you can't edit the property of
StereotypeB (propB is not displayed in the properties view).
Why ?
I have look into the UML OMG specification to see if a difference
between a PrimitiveType and DataType could explain this behaviour, but I
have not found any clue.
Thanks,
Thibault
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| Re: Stereotype and Properties [message #478598 is a reply to message #478587] |
Wed, 08 July 2009 13:15  |
| Eclipse User |
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Hi Kenn,
You are right. Primitive type are mapped to EDataType. UML DataType are
mapped to EClass.
So properties typed by UML Datatype are mapped to EReference whereas
properties typed by UML PrimitiveType are mapped to EAttribute.
Why UML Datatype are not mapped to EDatatype ?
Thanks,
Thibault
Kenn Hussey a écrit :
> Thibault,
>
> Off the top of my head, I suspect the reason is that UML2 maps profile
> elements to Ecore during the profile "definition" process and data types
> are automatically mapped to Ecore classes (which don't have "simple"
> cell editor support) rather than data types.
>
> Kenn
>
> Thibault Landré wrote:
>> Hi,
>>
>> I would like to understand why in the uml2 editor, it is possible to
>> edit a property of a sterotype typed by a primitiveType whereas it is
>> not possible when the property is typed by a Datatype ?
>>
>> TestCase1 :
>> StereotypeA has a property (prop) typed by a primitiveType (Real for
>> instance). StereotypeA has an extension on Metaclass 'Element'
>> When applying the stereotype to a class, the properties view allows
>> you to edit the property 'prop'.
>>
>> TestCase2 :
>> StereotypeB has a property (propB) typed by a datatype (Time for
>> instance). StereotypeB has an extension on Metaclass 'Element'
>> When applying the stereotype to a class, you can't edit the property
>> of StereotypeB (propB is not displayed in the properties view).
>>
>> Why ?
>> I have look into the UML OMG specification to see if a difference
>> between a PrimitiveType and DataType could explain this behaviour, but
>> I have not found any clue.
>>
>> Thanks,
>>
>> Thibault
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| Re: Stereotype and Properties [message #478599 is a reply to message #478598] |
Wed, 08 July 2009 14:52 |
| Eclipse User |
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Thibault,
This has been discussed in previous threads, but if you take a look at
the way UML defines data type and the way Ecore defines it, you'll see
that they really aren't the same. The concept of primitive types in UML
is closer to Ecore's data type...
Kenn
Thibault Landré wrote:
> Hi Kenn,
>
> You are right. Primitive type are mapped to EDataType. UML DataType are
> mapped to EClass.
>
> So properties typed by UML Datatype are mapped to EReference whereas
> properties typed by UML PrimitiveType are mapped to EAttribute.
>
> Why UML Datatype are not mapped to EDatatype ?
>
> Thanks,
>
> Thibault
>
>
> Kenn Hussey a écrit :
>> Thibault,
>>
>> Off the top of my head, I suspect the reason is that UML2 maps profile
>> elements to Ecore during the profile "definition" process and data
>> types are automatically mapped to Ecore classes (which don't have
>> "simple" cell editor support) rather than data types.
>>
>> Kenn
>>
>> Thibault Landré wrote:
>>> Hi,
>>>
>>> I would like to understand why in the uml2 editor, it is possible to
>>> edit a property of a sterotype typed by a primitiveType whereas it
>>> is not possible when the property is typed by a Datatype ?
>>>
>>> TestCase1 :
>>> StereotypeA has a property (prop) typed by a primitiveType (Real for
>>> instance). StereotypeA has an extension on Metaclass 'Element'
>>> When applying the stereotype to a class, the properties view allows
>>> you to edit the property 'prop'.
>>>
>>> TestCase2 :
>>> StereotypeB has a property (propB) typed by a datatype (Time for
>>> instance). StereotypeB has an extension on Metaclass 'Element'
>>> When applying the stereotype to a class, you can't edit the property
>>> of StereotypeB (propB is not displayed in the properties view).
>>>
>>> Why ?
>>> I have look into the UML OMG specification to see if a difference
>>> between a PrimitiveType and DataType could explain this behaviour,
>>> but I have not found any clue.
>>>
>>> Thanks,
>>>
>>> Thibault
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| Re: Stereotype and Properties [message #627768 is a reply to message #478574] |
Fri, 03 July 2009 20:09 |
| Eclipse User |
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Thibault,
Off the top of my head, I suspect the reason is that UML2 maps profile
elements to Ecore during the profile "definition" process and data types
are automatically mapped to Ecore classes (which don't have "simple"
cell editor support) rather than data types.
Kenn
Thibault Landré wrote:
> Hi,
>
> I would like to understand why in the uml2 editor, it is possible to
> edit a property of a sterotype typed by a primitiveType whereas it is
> not possible when the property is typed by a Datatype ?
>
> TestCase1 :
> StereotypeA has a property (prop) typed by a primitiveType (Real for
> instance). StereotypeA has an extension on Metaclass 'Element'
> When applying the stereotype to a class, the properties view allows you
> to edit the property 'prop'.
>
> TestCase2 :
> StereotypeB has a property (propB) typed by a datatype (Time for
> instance). StereotypeB has an extension on Metaclass 'Element'
> When applying the stereotype to a class, you can't edit the property of
> StereotypeB (propB is not displayed in the properties view).
>
> Why ?
> I have look into the UML OMG specification to see if a difference
> between a PrimitiveType and DataType could explain this behaviour, but I
> have not found any clue.
>
> Thanks,
>
> Thibault
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| Re: Stereotype and Properties [message #627780 is a reply to message #478587] |
Wed, 08 July 2009 13:15 |
| Eclipse User |
|
|
|
Hi Kenn,
You are right. Primitive type are mapped to EDataType. UML DataType are
mapped to EClass.
So properties typed by UML Datatype are mapped to EReference whereas
properties typed by UML PrimitiveType are mapped to EAttribute.
Why UML Datatype are not mapped to EDatatype ?
Thanks,
Thibault
Kenn Hussey a écrit :
> Thibault,
>
> Off the top of my head, I suspect the reason is that UML2 maps profile
> elements to Ecore during the profile "definition" process and data types
> are automatically mapped to Ecore classes (which don't have "simple"
> cell editor support) rather than data types.
>
> Kenn
>
> Thibault Landré wrote:
>> Hi,
>>
>> I would like to understand why in the uml2 editor, it is possible to
>> edit a property of a sterotype typed by a primitiveType whereas it is
>> not possible when the property is typed by a Datatype ?
>>
>> TestCase1 :
>> StereotypeA has a property (prop) typed by a primitiveType (Real for
>> instance). StereotypeA has an extension on Metaclass 'Element'
>> When applying the stereotype to a class, the properties view allows
>> you to edit the property 'prop'.
>>
>> TestCase2 :
>> StereotypeB has a property (propB) typed by a datatype (Time for
>> instance). StereotypeB has an extension on Metaclass 'Element'
>> When applying the stereotype to a class, you can't edit the property
>> of StereotypeB (propB is not displayed in the properties view).
>>
>> Why ?
>> I have look into the UML OMG specification to see if a difference
>> between a PrimitiveType and DataType could explain this behaviour, but
>> I have not found any clue.
>>
>> Thanks,
>>
>> Thibault
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| Re: Stereotype and Properties [message #627781 is a reply to message #478598] |
Wed, 08 July 2009 14:52 |
| Eclipse User |
|
|
|
Thibault,
This has been discussed in previous threads, but if you take a look at
the way UML defines data type and the way Ecore defines it, you'll see
that they really aren't the same. The concept of primitive types in UML
is closer to Ecore's data type...
Kenn
Thibault Landré wrote:
> Hi Kenn,
>
> You are right. Primitive type are mapped to EDataType. UML DataType are
> mapped to EClass.
>
> So properties typed by UML Datatype are mapped to EReference whereas
> properties typed by UML PrimitiveType are mapped to EAttribute.
>
> Why UML Datatype are not mapped to EDatatype ?
>
> Thanks,
>
> Thibault
>
>
> Kenn Hussey a écrit :
>> Thibault,
>>
>> Off the top of my head, I suspect the reason is that UML2 maps profile
>> elements to Ecore during the profile "definition" process and data
>> types are automatically mapped to Ecore classes (which don't have
>> "simple" cell editor support) rather than data types.
>>
>> Kenn
>>
>> Thibault Landré wrote:
>>> Hi,
>>>
>>> I would like to understand why in the uml2 editor, it is possible to
>>> edit a property of a sterotype typed by a primitiveType whereas it
>>> is not possible when the property is typed by a Datatype ?
>>>
>>> TestCase1 :
>>> StereotypeA has a property (prop) typed by a primitiveType (Real for
>>> instance). StereotypeA has an extension on Metaclass 'Element'
>>> When applying the stereotype to a class, the properties view allows
>>> you to edit the property 'prop'.
>>>
>>> TestCase2 :
>>> StereotypeB has a property (propB) typed by a datatype (Time for
>>> instance). StereotypeB has an extension on Metaclass 'Element'
>>> When applying the stereotype to a class, you can't edit the property
>>> of StereotypeB (propB is not displayed in the properties view).
>>>
>>> Why ?
>>> I have look into the UML OMG specification to see if a difference
>>> between a PrimitiveType and DataType could explain this behaviour,
>>> but I have not found any clue.
>>>
>>> Thanks,
>>>
>>> Thibault
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