Home » Archived » M2M (model-to-model transformation) » [QVTO] Reflectively accessing a transformation
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| Re: [QVTO] Reflectively accessing a transformation [message #489841 is a reply to message #489641] |
Tue, 06 October 2009 08:11   |
Eclipse User |
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Originally posted by: dvorak.radek.gmail.com
Hi Derek,
No API way yet. Anyway, even with this reflective access it's
not trivial to integrate QVT with another language, as for example
GMF Xpand did.
QVTO has still other issues to solve for pure transformation writers before
it can be extensible and open this way.
You have gotten to deep inside and too early ;)
Perhaps, what can be done is to open the AST model but I do not think its
helps too much.
Regards,
/Radek
On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma <derek.palma@gmail.com>
wrote:
> Hi,
>
> I was wondering if there is a way to load a transformation/library, i.e.
> compile it and create the AST but not execute it, so I can look at the
> signatures transformation, helpers, queries. I am basically trying to
> achieve something analogous to Java reflection where I find the
> executable operations available in a class and make them accessible from
> another language and provide static type checking.
>
> Derek
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| Re: [QVTO] Reflectively accessing a transformation [message #490167 is a reply to message #489841] |
Wed, 07 October 2009 15:53 |
 Derek Palma
Messages: 141
Registered: July 2009 |
Senior Member |
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|
Hi,
I just ran into an Ecore model for QVT Operational
(http://www.eclipse.org/QVT/1.0.0/Operational. Are instances of this created
when transformation/libraries are parsed. It looks like something I could
use. :)
Derek
"radek dvorak" <dvorak.radek@gmail.com> wrote in message
news:op.u1dc0ow412y5f2@kliste.local...
> Hi Derek,
>
> No API way yet. Anyway, even with this reflective access it's
> not trivial to integrate QVT with another language, as for example
> GMF Xpand did.
> QVTO has still other issues to solve for pure transformation writers
> before
> it can be extensible and open this way.
>
> You have gotten to deep inside and too early ;)
> Perhaps, what can be done is to open the AST model but I do not think its
> helps too much.
>
> Regards,
> /Radek
>
>
>
> On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma <derek.palma@gmail.com>
> wrote:
>
>> Hi,
>>
>> I was wondering if there is a way to load a transformation/library, i.e.
>> compile it and create the AST but not execute it, so I can look at the
>> signatures transformation, helpers, queries. I am basically trying to
>> achieve something analogous to Java reflection where I find the
>> executable operations available in a class and make them accessible from
>> another language and provide static type checking.
>>
>> Derek
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| Re: [QVTO] Reflectively accessing a transformation [message #490561 is a reply to message #490167] |
Fri, 09 October 2009 07:54 |
| Eclipse User |
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Originally posted by: dvorak.radek.gmail.com
Hi Derek,
Yes, the meta-model represents the AST, a result of QVTO modules
parsing/analysis.
At the moment, you can't make use of it as its not open as API, the
generated Java
package is 'internal'.
In case you want to experiment, there is a resource factory registered per
*.qvto file
extension. If loaded, you will receive Transformation/Library objects
in the resource contents.
Regards,
/Radek
On Wed, 07 Oct 2009 17:53:56 +0200, Derek Palma <derek.palma@gmail.com>
wrote:
> Hi,
>
> I just ran into an Ecore model for QVT Operational
> (http://www.eclipse.org/QVT/1.0.0/Operational. Are instances of this
> created when transformation/libraries are parsed. It looks like
> something I could use. :)
>
> Derek
>
> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
> news:op.u1dc0ow412y5f2@kliste.local...
>> Hi Derek,
>>
>> No API way yet. Anyway, even with this reflective access it's
>> not trivial to integrate QVT with another language, as for example
>> GMF Xpand did.
>> QVTO has still other issues to solve for pure transformation writers
>> before
>> it can be extensible and open this way.
>>
>> You have gotten to deep inside and too early ;)
>> Perhaps, what can be done is to open the AST model but I do not think
>> its
>> helps too much.
>>
>> Regards,
>> /Radek
>>
>>
>>
>> On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma <derek.palma@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I was wondering if there is a way to load a transformation/library,
>>> i.e. compile it and create the AST but not execute it, so I can look
>>> at the signatures transformation, helpers, queries. I am basically
>>> trying to achieve something analogous to Java reflection where I find
>>> the executable operations available in a class and make them
>>> accessible from another language and provide static type checking.
>>>
>>> Derek
>
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| Re: [QVTO] Reflectively accessing a transformation [message #490629 is a reply to message #490561] |
Fri, 09 October 2009 13:17 |
Derek Palma
Messages: 141
Registered: July 2009 |
Senior Member |
|
|
Thanks,
Do you happen to know the fully qualified class name of the Resource
implementation? I currently invoke all resource loading through my own code.
Derek
"radek dvorak" <dvorak.radek@gmail.com> wrote in message
news:op.u1iv8lbp12y5f2@kliste.local...
> Hi Derek,
>
> Yes, the meta-model represents the AST, a result of QVTO modules
> parsing/analysis.
> At the moment, you can't make use of it as its not open as API, the
> generated Java
> package is 'internal'.
>
> In case you want to experiment, there is a resource factory registered per
> *.qvto file
> extension. If loaded, you will receive Transformation/Library objects
> in the resource contents.
>
> Regards,
> /Radek
>
>
>
> On Wed, 07 Oct 2009 17:53:56 +0200, Derek Palma <derek.palma@gmail.com>
> wrote:
>
>> Hi,
>>
>> I just ran into an Ecore model for QVT Operational
>> (http://www.eclipse.org/QVT/1.0.0/Operational. Are instances of this
>> created when transformation/libraries are parsed. It looks like
>> something I could use. :)
>>
>> Derek
>>
>> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
>> news:op.u1dc0ow412y5f2@kliste.local...
>>> Hi Derek,
>>>
>>> No API way yet. Anyway, even with this reflective access it's
>>> not trivial to integrate QVT with another language, as for example
>>> GMF Xpand did.
>>> QVTO has still other issues to solve for pure transformation writers
>>> before
>>> it can be extensible and open this way.
>>>
>>> You have gotten to deep inside and too early ;)
>>> Perhaps, what can be done is to open the AST model but I do not think
>>> its
>>> helps too much.
>>>
>>> Regards,
>>> /Radek
>>>
>>>
>>>
>>> On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma <derek.palma@gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I was wondering if there is a way to load a transformation/library,
>>>> i.e. compile it and create the AST but not execute it, so I can look
>>>> at the signatures transformation, helpers, queries. I am basically
>>>> trying to achieve something analogous to Java reflection where I find
>>>> the executable operations available in a class and make them
>>>> accessible from another language and provide static type checking.
>>>>
>>>> Derek
>>
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| Re: [QVTO] Reflectively accessing a transformation [message #490737 is a reply to message #490561] |
Fri, 09 October 2009 22:26 |
Alex Mising name
Messages: 51
Registered: August 2009 |
Member |
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| Eclipse User wrote on Fri, 09 October 2009 03:54 | Originally posted by: dvorak.radek.gmail.com
In case you want to experiment, there is a resource factory registered per *.qvto file extension. If loaded, you will receive Transformation/Library objects in the resource contents.
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... which is also why .qvto files can be opened in any reflective model editor, such as Sample Ecore Model editor, MoDisco ModelEditor etc. (Right-click, Open With, Other ...) The best way to explore the QVT model, IMO ...
Alex
[Updated on: Fri, 09 October 2009 22:27] Report message to a moderator |
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| Re: [QVTO] Reflectively accessing a transformation [message #490786 is a reply to message #490629] |
Sat, 10 October 2009 16:34 |
Derek Palma
Messages: 141
Registered: July 2009 |
Senior Member |
|
|
I found it.
"Derek Palma" <derek.palma@gmail.com> wrote in message
news:hand68$ir7$1@build.eclipse.org...
> Thanks,
>
> Do you happen to know the fully qualified class name of the Resource
> implementation? I currently invoke all resource loading through my own
> code.
>
> Derek
>
> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
> news:op.u1iv8lbp12y5f2@kliste.local...
>> Hi Derek,
>>
>> Yes, the meta-model represents the AST, a result of QVTO modules
>> parsing/analysis.
>> At the moment, you can't make use of it as its not open as API, the
>> generated Java
>> package is 'internal'.
>>
>> In case you want to experiment, there is a resource factory registered
>> per *.qvto file
>> extension. If loaded, you will receive Transformation/Library objects
>> in the resource contents.
>>
>> Regards,
>> /Radek
>>
>>
>>
>> On Wed, 07 Oct 2009 17:53:56 +0200, Derek Palma <derek.palma@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I just ran into an Ecore model for QVT Operational
>>> (http://www.eclipse.org/QVT/1.0.0/Operational. Are instances of this
>>> created when transformation/libraries are parsed. It looks like
>>> something I could use. :)
>>>
>>> Derek
>>>
>>> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
>>> news:op.u1dc0ow412y5f2@kliste.local...
>>>> Hi Derek,
>>>>
>>>> No API way yet. Anyway, even with this reflective access it's
>>>> not trivial to integrate QVT with another language, as for example
>>>> GMF Xpand did.
>>>> QVTO has still other issues to solve for pure transformation writers
>>>> before
>>>> it can be extensible and open this way.
>>>>
>>>> You have gotten to deep inside and too early ;)
>>>> Perhaps, what can be done is to open the AST model but I do not think
>>>> its
>>>> helps too much.
>>>>
>>>> Regards,
>>>> /Radek
>>>>
>>>>
>>>>
>>>> On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma <derek.palma@gmail.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I was wondering if there is a way to load a transformation/library,
>>>>> i.e. compile it and create the AST but not execute it, so I can look
>>>>> at the signatures transformation, helpers, queries. I am basically
>>>>> trying to achieve something analogous to Java reflection where I find
>>>>> the executable operations available in a class and make them
>>>>> accessible from another language and provide static type checking.
>>>>>
>>>>> Derek
>>>
>
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| Re: [QVTO] Reflectively accessing a transformation [message #490845 is a reply to message #490629] |
Sun, 11 October 2009 19:37 |
| Eclipse User |
|
|
|
Originally posted by: dvorak.radek.gmail.com
Hi Derek,
There is no need to access the resource implementation class, EMF ensures
that the right
implementation is used with qvto file name extension.
Regards,
/Radek
On Fri, 09 Oct 2009 15:17:32 +0200, Derek Palma <derek.palma@gmail.com>
wrote:
> Thanks,
>
> Do you happen to know the fully qualified class name of the Resource
> implementation? I currently invoke all resource loading through my own
> code.
>
> Derek
>
> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
> news:op.u1iv8lbp12y5f2@kliste.local...
>> Hi Derek,
>>
>> Yes, the meta-model represents the AST, a result of QVTO modules
>> parsing/analysis.
>> At the moment, you can't make use of it as its not open as API, the
>> generated Java
>> package is 'internal'.
>>
>> In case you want to experiment, there is a resource factory registered
>> per *.qvto file
>> extension. If loaded, you will receive Transformation/Library objects
>> in the resource contents.
>>
>> Regards,
>> /Radek
>>
>>
>>
>> On Wed, 07 Oct 2009 17:53:56 +0200, Derek Palma <derek.palma@gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I just ran into an Ecore model for QVT Operational
>>> (http://www.eclipse.org/QVT/1.0.0/Operational. Are instances of this
>>> created when transformation/libraries are parsed. It looks like
>>> something I could use. :)
>>>
>>> Derek
>>>
>>> "radek dvorak" <dvorak.radek@gmail.com> wrote in message
>>> news:op.u1dc0ow412y5f2@kliste.local...
>>>> Hi Derek,
>>>>
>>>> No API way yet. Anyway, even with this reflective access it's
>>>> not trivial to integrate QVT with another language, as for example
>>>> GMF Xpand did.
>>>> QVTO has still other issues to solve for pure transformation writers
>>>> before
>>>> it can be extensible and open this way.
>>>>
>>>> You have gotten to deep inside and too early ;)
>>>> Perhaps, what can be done is to open the AST model but I do not think
>>>> its
>>>> helps too much.
>>>>
>>>> Regards,
>>>> /Radek
>>>>
>>>>
>>>>
>>>> On Mon, 05 Oct 2009 14:54:21 +0200, Derek Palma
>>>> <derek.palma@gmail.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I was wondering if there is a way to load a transformation/library,
>>>>> i.e. compile it and create the AST but not execute it, so I can look
>>>>> at the signatures transformation, helpers, queries. I am basically
>>>>> trying to achieve something analogous to Java reflection where I
>>>>> find the executable operations available in a class and make them
>>>>> accessible from another language and provide static type checking.
>>>>>
>>>>> Derek
>>>
>
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