* @param obj The object in which the attribute exists
* @param attribute The attribute to be validated
*/
public void execute(DmcObject obj, DmcAttribute<?> attribute) throws DmcRuleExceptionSet {
DmcRuleExceptionSet rc = null;
DmcAttributeInfo aI = attribute.getAttributeInfo();
DmcClassInfo cI = obj.getConstructionClassInfo();
ArrayList<AttributeValidationIF> ruleList = super.getRules(aI,cI);
if (ruleList != null){
for(AttributeValidationIF rule: ruleList){