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Getting title of elements in EWL [message #504126]

Thu, 17 December 2009 11:30

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

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Re: Getting title of elements in EWL [message #504629 is a reply to message #504126]

Mon, 21 December 2009 20:34

Louis Rose

Messages: 440
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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