Slickflow.Engine.Core.Pattern.NodeMediatorBackward.CreateBackwardActivityTaskRepateSignForwardMainNodeOnly C# (CSharp) Method

        internal void CreateBackwardActivityTaskRepateSignForwardMainNodeOnly(ProcessInstanceEntity processInstance,
            ActivityEntity backwardToTaskActvity,
            ActivityInstanceEntity fromActivityInstance,
            BackwardTypeEnum backwardType,
            ActivityInstanceEntity previousMainInstance,
            string transitionGUID,
            TransitionTypeEnum transitionType,
            TransitionFlyingTypeEnum flyingType,
            ActivityResource activityResource,
            IDbSession session)
        {
            // 退回是加签情况下的处理：
            // 要退回的节点是加签节点
            // 只实例化当初的加签主节点
            //重新封装任务办理人为AssignedToUsers, AssignedToUsernames
            var performerList = AntiGenerateActivityPerformerList(previousMainInstance);

            activityResource.NextActivityPerformers.Clear();
            activityResource.NextActivityPerformers = new Dictionary<string, PerformerList>();
            activityResource.NextActivityPerformers.Add(backwardToTaskActvity.ActivityGUID, performerList);

            //实例化Activity
            var toActivityInstance = base.CreateBackwardToActivityInstanceObject(processInstance,
                backwardType,
                previousMainInstance.ID,
                activityResource.AppRunner);

            //进入准备运行状态
            toActivityInstance.ActivityState = (short)ActivityStateEnum.Ready;
            toActivityInstance.AssignedToUserIDs = previousMainInstance.AssignedToUserIDs;
            toActivityInstance.AssignedToUserNames = previousMainInstance.AssignedToUserNames;
            toActivityInstance.ComplexType = previousMainInstance.ComplexType;
            toActivityInstance.CompleteOrder = previousMainInstance.CompleteOrder;
            toActivityInstance.SignForwardType = previousMainInstance.SignForwardType;

            //插入活动实例数据
            base.ActivityInstanceManager.Insert(toActivityInstance,
                session);

            //插入任务数据
            base.CreateNewTask(toActivityInstance, activityResource, session);

            //插入转移数据
            base.InsertTransitionInstance(processInstance,
                transitionGUID,
                fromActivityInstance,
                toActivityInstance,
                transitionType,
                flyingType,
                activityResource.AppRunner,
                session);
        }