Slickflow.Engine.Xpdl.NextActivityComponent.Add C# (CSharp) Method

        public virtual void Add(NextActivityComponent nextActivity)
        {
            throw new InvalidOperationException("非组合节点，不能添加子项！");
        }

        /// <summary>
        /// 获取下一步节点列表，伴随运行时条件信息
        /// </summary>
        /// <param name="currentActivity"></param>
        /// <param name="conditionKeyValuePair"></param>
        /// <returns></returns>
        internal NextActivityMatchedResult GetNextActivityList(string currentActivityGUID,
                                                               IDictionary <string, string> conditionKeyValuePair = null)
        {
            try
            {
                NextActivityMatchedResult result     = null;
                NextActivityMatchedType   resultType = NextActivityMatchedType.Unknown;

                //创建“下一步节点”的根节点
                NextActivityComponent   root           = NextActivityComponentFactory.CreateNextActivityComponent();
                NextActivityComponent   child          = null;
                List <TransitionEntity> transitionList = GetForwardTransitionList(currentActivityGUID,
                                                                                  conditionKeyValuePair).ToList();

                if (transitionList.Count > 0)
                {
                    //遍历连线，获取下一步节点的列表
                    foreach (TransitionEntity transition in transitionList)
                    {
                        if (transition.ToActivity.ActivityType == ActivityTypeEnum.EndNode ||
                            transition.ToActivity.ActivityType == ActivityTypeEnum.TaskNode ||
                            transition.ToActivity.ActivityType == ActivityTypeEnum.SubProcessNode)
                        {
                            child = NextActivityComponentFactory.CreateNextActivityComponent(transition, transition.ToActivity);
                        }
                        else if (transition.ToActivity.ActivityType == ActivityTypeEnum.GatewayNode)
                        {
                            NextActivityScheduleBase activitySchedule = NextActivityScheduleFactory.CreateActivitySchedule(this,
                                                                                                                           transition.ToActivity.GatewaySplitJoinType);

                            child = activitySchedule.GetNextActivityListFromGateway(transition,
                                                                                    transition.ToActivity,
                                                                                    conditionKeyValuePair,
                                                                                    out resultType);
                        }
                        else
                        {
                            throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", transition.ToActivity.ActivityType.ToString()));
                        }

                        if (child != null)
                        {
                            root.Add(child);
                            resultType = NextActivityMatchedType.Successed;
                        }
                    }
                }
                else
                {
                    resultType = NextActivityMatchedType.NoneTransitionFilteredByCondition;
                }
                result = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(resultType, root);
                return(result);
            }
            catch (System.Exception e)
            {
                throw new WfXpdlException(string.Format("解析流程定义文件发生异常，异常描述：{0}", e.Message), e);
            }
        }