/// <summary>
/// 将乘数中每个键对应的值与自身相应的值相乘
/// </summary>
/// <param name="multiplier"></param>
public void Multiply(Estimable multiplier)
{
foreach (string key in multiplier.Keys)
{
this[key] *= multiplier[key];
}
}
/// <summary>
/// 计算
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public double Calculate(T item)
{
Estimable weightItem = WeightItem.Clone();
weightItem.Multiply(item);
return(weightItem.Sum());
}
/// <summary>
/// 将加数中每个键对应的值与自身相应的值相加
/// </summary>
/// <param name="addition"></param>
public void Add(Estimable addition)
{
foreach (string key in addition.Keys)
{
this[key] += addition[key];
}
}
/// <summary>
/// 逐个键比较大小, 若每个键对应的值都大于等于参数, 返回 true, 否则返回 false
/// </summary>
/// <param name="target"></param>
/// <returns></returns>
public bool CompareTo(Estimable target)
{
foreach (string key in Keys)
{
if (this[key] < target[key])
{
return(false);
}
}
return(true);
}