Esempio n. 1
0
        /// <summary>
        /// 获取下一步节点列表,满足运行时条件信息
        /// </summary>
        /// <param name="currentActivityGUID"></param>
        /// <returns></returns>
        public NextActivityMatchedResult GetNextActivityList(string currentActivityID)
        {
            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(currentActivityID).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 (XPDLHelper.IsWorkItem(transition.TargetActivity.ActivityType))        //可流转简单类型节点 || 子流程节点
                        {
                            child = NextActivityComponentFactory.CreateNextActivityComponent(transition, transition.TargetActivity);
                        }
                        else if (transition.TargetActivity.ActivityType == ActivityTypeEnum.GatewayNode)
                        {
                            NextActivityScheduleBase activitySchedule = NextActivityScheduleFactory.CreateActivitySchedule(this as IProcessModel,
                                                                                                                           transition.TargetActivity.GatewaySplitJoinType);

                            child = activitySchedule.GetNextActivityListFromGateway(transition,
                                                                                    transition.TargetActivity,
                                                                                    out resultType);
                        }
                        else
                        {
                            throw new XmlDefinitionException(string.Format("未知的节点类型:{0}", transition.TargetActivity.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);
            }
        }
        /// <summary>
        /// 创建ActivitySchedule
        /// </summary>
        /// <param name="splitJoinType"></param>
        /// <returns></returns>
        internal static NextActivityScheduleBase CreateActivitySchedule(IProcessModel processModel,
                                                                        GatewaySplitJoinTypeEnum splitJoinType)
        {
            NextActivityScheduleBase activitySchedule = null;

            if (splitJoinType == GatewaySplitJoinTypeEnum.Split)
            {
                activitySchedule = new NextActivityScheduleSplit(processModel);
            }
            else if (splitJoinType == GatewaySplitJoinTypeEnum.Join)
            {
                activitySchedule = new NextActivityScheduleJoin(processModel);
            }
            else
            {
                throw new Exception("未知的splitJoinType!");
            }
            return(activitySchedule);
        }