if (this.getScale() != null) {
clone.setScale(this.getScale().clone());
}
clone.setValueMap(new ConcurrentHashMap<String, Values>());
Transformer newTransformer = null;
if (transformer != null) {
newTransformer = transformer.clone();
}
clone.setTransformer(newTransformer);
clone.setAggregationMode(this.getAggregationMode());