class urn_perun_resource_attribute_def_def_k4GroupCode extends ResourceAttributesModuleAbstract implements ResourceAttributesModuleImplApi {

	@Override
	public void checkAttributeSemantics(PerunSessionImpl perunSession, Resource resource, Attribute attribute) throws WrongReferenceAttributeValueException {
		if (attribute.getValue() == null) throw new WrongReferenceAttributeValueException(attribute, null, resource, null, "Code of Group in K4 can't be empty.");
	}

}