Yuebon.NetCore/Yuebon.Commons/Core/Domain/ValueObject.cs

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namespace Yuebon.Commons.Core.Domain;

/// <summary>
/// 值对象，抽象类
/// </summary>
public abstract class ValueObject
{
    /// <summary>
    /// 
    /// </summary>
    /// <param name="left"></param>
    /// <param name="right"></param>
    /// <returns></returns>
    protected static bool EqualOperator(ValueObject left, ValueObject right)
    {
        if (ReferenceEquals(left, null) ^ ReferenceEquals(right, null))
        {
            return false;
        }
        return ReferenceEquals(left, null) || left.Equals(right);
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="left"></param>
    /// <param name="right"></param>
    /// <returns></returns>
    protected static bool NotEqualOperator(ValueObject left, ValueObject right)
    {
        return !(EqualOperator(left, right));
    }

    /// <summary>
    /// 
    /// </summary>
    /// <returns></returns>
    protected abstract IEnumerable<object> GetAtomicValues();
    /// <summary>
    /// 
    /// </summary>
    /// <param name="obj"></param>
    /// <returns></returns>
    public override bool Equals(object obj)
    {
        if (obj == null || obj.GetType() != GetType())
        {
            return false;
        }
        ValueObject other = (ValueObject)obj;
        IEnumerator<object> thisValues = GetAtomicValues().GetEnumerator();
        IEnumerator<object> otherValues = other.GetAtomicValues().GetEnumerator();
        while (thisValues.MoveNext() && otherValues.MoveNext())
        {
            if (ReferenceEquals(thisValues.Current, null) ^ ReferenceEquals(otherValues.Current, null))
            {
                return false;
            }
            if (thisValues.Current != null && !thisValues.Current.Equals(otherValues.Current))
            {