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Getting title of elements in EWL [message #583944] Thu, 17 December 2009 06:30 Go to next message
Bak Attila is currently offline Bak Attila
Messages: 29
Registered: December 2009
Junior Member
Hi,

I am using tools.select(t|t."title" in EWL and that seems to be the problem.

If i write tools.select(t|t.~title is that correct escaping or how should i escape correctly?

Many thanks
attila
Re: Getting title of elements in EWL [message #584017 is a reply to message #583944] Mon, 21 December 2009 15:34 Go to previous message
Louis Rose is currently offline Louis Rose
Messages: 439
Registered: July 2009
Location: York, United Kingdom
Senior Member
Bak Attila wrote on Thu, 17 December 2009 06:30
> Hi,
>
> I am using tools.select(t|t."title" in EWL and that seems to be the problem.
>
> If i write tools.select(t|t.~title is that correct escaping or how should i escape correctly?
>
> Many thanks
> attila


Attila,

I'm terribly sorry for the delay in responding to your question. I had a problem using my RSS reader, which I believe I've now corrected.

Since Epsilon 0.8.8, the correct syntax is: t.`title`

The tilde prefix is used to access "extended" properties of a model element. Extended properties are used to attach some kind of information (that is not supported by the metamodel) to particular model elements. Until now, we've been using Maps to achieve this (similarly to what we've done above).

A more thorough discussion of extended properties is available here:

http://epsilonblog.wordpress.com/2008/01/30/extended-propert ies-in-eol/

Best,
Louis.
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