*
* @param policyMap
* @return
*/
private PolicyMap doAlternativeSelection(PolicyMap policyMap) {
final EffectivePolicyModifier modifier = EffectivePolicyModifier.createEffectivePolicyModifier();
modifier.connect(policyMap);
try {
AlternativeSelector.doSelection(modifier);
} catch (PolicyException e) {
throw new WebServiceException(e);
}