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[QVTO] global variables [message #462371]

Sun, 02 August 2009 14:09

Eclipse User

Originally posted by: formatzeh.gmx.de

Is it possible to specify global variables for a transformation file?
For example static strings which can be used for identifiers.
And are there some good sources where I can read about QVTO?

best regards,
Gilbert

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Re: [QVTO] global variables [message #463749 is a reply to message #462371]

Sun, 02 August 2009 17:45

Sergey Boyko

Messages: 171
Registered: July 2009

Senior Member

Hi Gilbert ,

Replies are in-lined below.

Regards,
Sergey.

Gilbert Mirenque wrote:
> Is it possible to specify global variables for a transformation file?
> For example static strings which can be used for identifiers.

Global variables for the transformation can be defined using 'property'
keyword as follows:

modeltype ecore uses "http://www.eclipse.org/emf/2002/Ecore";
transformation MyTransformation();

property moduleProp : String = '';

main() {
var v := moduleProp;
}

QVTo supports configuration and intermediate properties as well. For
example:

configuration property cfgProp : String;
intermediate property EPackage::myFriend : String;

> And are there some good sources where I can read about QVTO?

There's some documentation about QVTo available in the "Documentation"
section: http://eclipse.org/m2m/qvto/doc/
Our wiki page gives a reference to the official QVT spec from OMG
http://wiki.eclipse.org/M2M/Operational_QVT_Language_(QVTO)

>
> best regards,
> Gilbert

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