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How to query Sequence<Any> for enum in EMF model? [message #1862395]

Fri, 01 December 2023 01:12

Ehsan Ahmad

Messages: 37
Registered: April 2018

Member

Hi,
I have following EMF model.


class PartsWithColors{
	val Part[*]  parts; 

class  Part{
	attr String name;
	attr ColorList color;
        
}
enum ColorList{
	Red;
        Green;
        Blue;
}

The Epsilon command.

 Part.all.color.println();

results in

 Sequence<Any>

. Applying

 Part.all.select(p|p.color="Red").size().println;

output 0.

How can I query for color?
Am I using enum correctly?

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Re: How to query Sequence<Any> for enum in EMF model? [message #1862397 is a reply to message #1862395]

Fri, 01 December 2023 07:04

Dimitris Kolovos

Messages: 2165
Registered: July 2009
Location: York, UK

Senior Member

Hi Ehsan,

p.color = ColorList#Red will do the trick as per https://eclipse.dev/epsilon/doc/eol/#enumerations

Thanks,
Dimitris

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Re: How to query Sequence<Any> for enum in EMF model? [message #1862401 is a reply to message #1862397]

Fri, 01 December 2023 14:38

Ehsan Ahmad

Messages: 37
Registered: April 2018

Member

Dear Dimitris,
Yes. It's working.
I reviewed the EOL page, but somehow missed the # operator part.

Thank you.
Ehsan

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