private static List<String> getConstraintRulesFromWorkingSets(RuleAsset[] workingSets) {
List<String> constraintRules = new LinkedList<String>();
if (workingSets != null) {
for (RuleAsset workingSet : workingSets) {
WorkingSetConfigData wsConfig = (WorkingSetConfigData) workingSet.content;
if (wsConfig.constraints != null) {
for (ConstraintConfiguration config : wsConfig.constraints) {
constraintRules.add(ConstraintsFactory.getInstance().getVerifierRule(config));
}
}