/**
* Creates a deep copy of this feature map using the given string objects. This method is usually
* called form another deepCopy-method.
*
* @param stringObjs The string objects to be used.
* @return A deep copy.
*/
FeatureMap deepCopy(HashMap<Integer, StringObject> stringObjs) {
FeatureMap fm = new FeatureMap();
for (String feature : features.keySet()) {
StringRef s = features.get(feature);
StringObject se = stringObjs.get(s.getID());
if (se != null) {
fm.setFeature(feature, se.newStringRef());
} else {
StringRef sr = new StringRef(s.getString());
fm.setFeature(feature, sr);
stringObjs.put(s.getID(), sr.getStringObject());
}
}
return fm;
}
