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Running mwe2 after saving DSL [message #685483] Fri, 17 June 2011 15:36 Go to next message
Dan Becker is currently offline Dan BeckerFriend
Messages: 5
Registered: July 2009
Junior Member
Hello all,

Our team is using a DSL to construct web applications that run web flows. Currently we use a Workflow (mwe2) file to run our templates, pretty up our Java files, and export them to the web application server. Right now we are in a pretty tedious development cycle of: edit DSL, save, run MWE2 Workflow.

Is there a way in Eclipse to associate the MWE2 Workflow task with the save of the DSL to automatically run the MWE2 Workflow?

Thanks, Dan

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Re: Running mwe2 after saving DSL [message #685536 is a reply to message #685483] Fri, 17 June 2011 17:52 Go to previous message
Alexander Nittka is currently offline Alexander NittkaFriend
Messages: 1193
Registered: July 2009
Senior Member
Hi,

the normal mwe2 files for generation are not intended to be run from within an application. The reader component usually used calls the *standalone* setup of the language which modifies a global registry (possibly messing it up in the running eclipse). The way to go is the builder participant. The domain model example should contain a generator package in the ui-plugin with some sample code. There generation is triggered by the builder, reacting to changes in a resource.

If you really want to use workflow files, you have to programmatically fill the model slot (it is a parameter when instantiating/initialising the workflow runner. You could either react to model changes using the said builder participant infrastructure (recommended) or bind your own editor implementation, overriding the save command.

Alex

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Go visit http://xtext.itemis.com or send a mail to xtext@itemis.de

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