@Override
public WPObject getObject() {
if (weightedObjects == null) {
weightedObjects = new TreeMap<Integer, WPObject>();
totalObjectWeight = 0;
for (WPObject object : objects) {
int frequency = object.getAttribute(ATTRIBUTE_FREQUENCY, 100);
totalObjectWeight += frequency;
weightedObjects.put(totalObjectWeight, object);
}
}
return weightedObjects.tailMap(random.nextInt(totalObjectWeight)).values().iterator().next();
}
