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[EMF compare] ignore the comparison of an attribute by its value [message #667200]

Wed, 27 April 2011 11:43

No real name

Messages: 42
Registered: December 2010

Member

HI,

I want to ignore the comparison of an attribute after the comparison of its value;

Some Things like this:

if (attribut.getValue(). equals ("value"))
         ignore = true

shouldBeignored() only checks the name of the attribute but not its value;

there is a way to do that?

[Updated on: Wed, 27 April 2011 11:44]

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Re: [EMF compare] ignore the comparison of an attribute by its value [message #667821 is a reply to message #667200]

Mon, 02 May 2011 10:57

Laurent Goubet

Messages: 1902
Registered: July 2009

Senior Member

Not easily, but it can be done. Basically, you need to override the two "checkAttributesUpdates" methods, copy/paste the code from the generic "AttributesCheck" and replace the call to "shouldBeIgnored" (the line "if (!shouldBeIgnored(next)) {" by a call to your own "shouldBeIgnored" that takes both the EAttribute and the MatchElement as parameter in order to retrieve the attribute value for that given Match2/3Elements.

Something like

	protected void shouldBeIgnored(EAttribute attribute, Match2Elements mapping) {
		boolean result = shouldBeIgnored(next));

		if (!result) {
			Object leftValue = mapping.getLeftElement().eGet(attribute);
			Object rightValue = mapping.getRightElement().eGet(attribute);
			result = leftValue.equals("ignoreMe") || rightValue.equals("ignoreMe");
		}

		return result;
	}

Laurent Goubet
Obeo

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