private void SetOrderEnumerator() { foreach (var source in _enumerators) { var orderStreamEnumerator = new OrderStreamMergeAsyncEnumerator <T>(_mergeContext, source); if (orderStreamEnumerator.HasElement()) { orderStreamEnumerator.SkipFirst(); _queue.Offer(orderStreamEnumerator); } } _currentEnumerator = _queue.IsEmpty() ? _enumerators.FirstOrDefault() : _queue.Peek(); }
private void SetOrderEnumerator() { foreach (var source in _enumerators) { var orderStreamEnumerator = new OrderStreamMergeAsyncEnumerator <T>(_mergeContext, source); if (orderStreamEnumerator.HasElement()) { orderStreamEnumerator.SkipFirst(); _queue.Offer(orderStreamEnumerator); } } //设置第一个元素聚合的属性值 CurrentGroupValues = _queue.IsEmpty() ? new List <object>(0) : GetCurrentGroupValues(_queue.Peek()); }