public <T> boolean isSettedFeature(Feature<T> feature) {
if (getFeatureType() != feature.getType()) {
throw new RuntimeException(
"Try to check a feature of type:"
+ feature.getType()
+ " on a SchemaFeature of type:"
+ getFeatureType());
}
if (hasFeature(feature)) return true;
if (parent == null) return false;
return parent.isSettedFeature(feature);
}
