AbstractCounterGroup.java 文件源码

@Override
public synchronized boolean equals(Object genericRight) {
  if (genericRight instanceof CounterGroupBase<?>) {
    @SuppressWarnings("unchecked")
    CounterGroupBase<T> right = (CounterGroupBase<T>) genericRight;
    return Iterators.elementsEqual(iterator(), right.iterator());
  }
  return false;
}