/// <summary>
/// 删除约束条件 ST
/// </summary>
/// <param name="node">节点</param>
/// <param name="status">要删除的约束条件</param>
/// <returns>返回自身</returns>
public static ProcessNode DeleteStatus(this ProcessNode node, ProcessNodeRestrictions status)
{
node.Restrictions &= ~status;
return(node);
}
/// <summary> /// 是否存在约束条件 ST /// </summary> /// <param name="node">节点</param> /// <param name="status">要判断是否存在的状态</param> /// <returns>指示是否存在</returns> public static bool HasStatus(this ProcessNode node, ProcessNodeRestrictions status) => (node.Restrictions & status) == status;
/// <summary>
/// 增加约束条件 ST
/// </summary>
/// <param name="node">节点</param>
/// <param name="status">要增加的约束条件</param>
/// <returns>返回自身</returns>
public static ProcessNode AddStatus(this ProcessNode node, ProcessNodeRestrictions status)
{
node.Restrictions |= status;
return(node);
}