}
/** {@inheritDoc} */
protected void processAttribute(XMLObject xmlObject, Attr attribute) throws UnmarshallingException {
if(attribute.getLocalName().equals(PolicySetCombinerParametersType.POLICY_SET_ID_REF_ATTRIB_NAME)){
PolicySetCombinerParametersType policySetCombinerParametersType =
(PolicySetCombinerParametersType)xmlObject;
policySetCombinerParametersType.setPolicySetIdRef(
DatatypeHelper.safeTrimOrNullString(attribute.getValue()));
} else {
super.processAttribute(xmlObject, attribute);
}