/// <summary>
        /// 创建下一步活动执行者列表
        /// </summary>
        /// <param name="activityGUID">活动节点GUID</param>
        /// <param name="roleList">角色列表</param>
        /// <returns>步骤执行者列表</returns>
        internal static IDictionary <string, PerformerList> CreateNextActivityPerformers(string activityGUID,
                                                                                         IList <Role> roleList)
        {
            var performerList          = PerformerBuilder.CreatePerformerList(roleList);
            var nextActivityPerformers = new Dictionary <string, PerformerList>();

            nextActivityPerformers.Add(activityGUID, performerList);

            return(nextActivityPerformers);
        }
        /// <summary>
        /// 创建下一步活动执行者列表
        /// </summary>
        /// <param name="activityGUID">活动节点GUID</param>
        /// <param name="userID">用户ID</param>
        /// <param name="userName">用户名称</param>
        /// <returns>步骤执行者列表</returns>
        internal static IDictionary <string, PerformerList> CreateNextActivityPerformers(string activityGUID,
                                                                                         string userID,
                                                                                         string userName)
        {
            var performerList          = PerformerBuilder.CreatePerformerList(userID, userName);
            var nextActivityPerformers = new Dictionary <string, PerformerList>();

            nextActivityPerformers.Add(activityGUID, performerList);

            return(nextActivityPerformers);
        }