/* func */
/// <summary>
/// 向当前的位置堆中添加最小值节点
/// <para>如果超出容量，将丢弃最大值节点</para>
/// </summary>
/// <param name="position">位置</param>
/// <param name="value">值</param>
public virtual void AddMinItem(WeightedPoint weightedPoint)
{
if (weightedPoint is null)
{
throw new ArgumentNullException(nameof(weightedPoint));
}
LinkedListNode <WeightedPoint> node = PositionList.First;
if (weightedPoint.Value >= Limit)
{
return;
}
else if (PositionList.Count == 0)
{
PositionList.AddFirst(weightedPoint);
return;
}
else if (PositionList.Count >= Capacity &&
weightedPoint.Value > node.Value.Value)
{
return;
}
while (true)
{
if (weightedPoint.Value < node.Value.Value)
{
if (node.Next is null)
{
PositionList.AddAfter(node, weightedPoint);
break;
}
else
{
node = node.Next;
}
}
else
{
PositionList.AddBefore(node, weightedPoint);
break;
}
}
if (PositionList.Count > Capacity)
{
PositionList.RemoveFirst();
}
Limit = weightedPoint.Value;
}
internal WeightedPoint[] ToArray()
{
WeightedPoint[] copy = new WeightedPoint[PositionList.Count];
PositionList.CopyTo(copy, 0);
return(copy);
}