// Use entrySet here for performance reasons.
for (Iterator actorMapEntries = entityToFiringsPerIteration.entrySet()
.iterator(); actorMapEntries.hasNext();) {
Map.Entry actors = (Map.Entry) actorMapEntries.next();
Fraction repetitions = (Fraction) actors.getValue();
repetitions = repetitions.multiply(lcmFraction);
// FIXME: Doing the conversion to Integer here is bizarre,
// since they are integers coming in.
actors.setValue(Integer.valueOf(repetitions.getNumerator()));
}