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How to use the collection() method? [message #1842260]

Mon, 14 June 2021 18:41

Thomas Chiang

Messages: 100
Registered: March 2020

Senior Member

I am trying to create an ETL script and I would like to create simple names for my target generated classes. So I am trying to write the command in the rule like this:

rule m2m
	transform s: Excel!Module
	to c: EMF!System_Level_Impact{
		c.name = "Sys_Lvl_Impact" + collection(EMF::System_Level_Impact).size();
	}

How should I be writing the command to get the collection like I want?

Edit: Is there potentially a way to set a counter in my transformation rule to iterate and count how many times my rule is activated during the transformation?

[Updated on: Mon, 14 June 2021 20:31]

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Re: How to use the collection() method? [message #1842266 is a reply to message #1842260]

Tue, 15 June 2021 05:00

Dimitris Kolovos

Messages: 2163
Registered: July 2009
Location: York, UK

Senior Member

Hi Thomas,

Something like the following should do the trick [1].

c.name = "Sys_Lvl_Impact" + EMF!System_Level_Impact.all.indexOf(c);

Best,
Dimitris

[1] https://www.eclipse.org/epsilon/doc/eol/#model-element-types

[Updated on: Mon, 21 June 2021 10:30]

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