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How to retrieve all instances of given grammar class? [message #805332]

Thu, 23 February 2012 16:39

Scott Finnie is currently offline

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Messages: 94
Registered: October 2011

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Is it possible to retrieve a list of all instances of a given type, i.e. independent of containment relations? For example, assume I have grammar:

Domain:
	'Domain' name=ID '{'
	(elements+=Class)*
	'}';

Class:
  'Class' name=ID '{'
    (features+=ClassFeature)*
  '}';

ClassFeature: 
   //etc.

Is there a way to retrieve a list of all ClassFeature instances? Preferably without having to navigate to the domain instance then iterating down the containment hierarchy.

If navigating the hierarchy is the only way, how to get a reference to the root element?

Thx.

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Re: How to retrieve all instances of given grammar class? [message #805347 is a reply to message #805332]

Thu, 23 February 2012 16:54

Christian Dietrich is currently offline

Christian Dietrich

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Messages: 14665
Registered: July 2009

Senior Member

Hi do you know ECoreUtil2.getAllContentsOfType
Regards Christian

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: How to retrieve all instances of given grammar class? [message #805355 is a reply to message #805347]

Thu, 23 February 2012 17:02

Christian Dietrich is currently offline

Christian Dietrich

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Messages: 14665
Registered: July 2009

Senior Member

PS: you may have to use EcoreUtil.getrootcontainer anyway depending
from where you start

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: How to retrieve all instances of given grammar class? [message #805372 is a reply to message #805355]

Thu, 23 February 2012 17:30

Scott Finnie is currently offline

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Messages: 94
Registered: October 2011

Member

Perfect - thanks.

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