/// <summary>
/// 返回当前域事件的哈希码.
/// </summary>
/// <returns>计算当前域事件的哈希码.</returns>
public override int GetHashCode()
{
return(UtilsHelper.GetHashCode(this.Source.GetHashCode(),
this.Branch.GetHashCode(),
this.ID.GetHashCode(),
this.Timestamp.GetHashCode(),
this.Version.GetHashCode()));
}