/// <summary> /// 创建Gateway节点处理类实例 /// </summary> /// <param name="gActivity">节点</param> /// <param name="processModel">流程模型类</param> /// <param name="session">会话</param> /// <returns>Gateway节点处理实例</returns> internal static NodeMediatorGateway CreateGatewayNodeMediator(ActivityEntity gActivity, IProcessModel processModel, IDbSession session) { NodeMediatorGateway nodeMediator = null; if (gActivity.ActivityType == ActivityTypeEnum.GatewayNode) { if (gActivity.GatewayDirectionType == GatewayDirectionEnum.AndSplit) { nodeMediator = new NodeMediatorAndSplit(gActivity, processModel, session); } else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.OrSplit) { nodeMediator = new NodeMediatorOrSplit(gActivity, processModel, session); } else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.XOrSplit) { nodeMediator = new NodeMediatorXOrSplit(gActivity, processModel, session); } else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.AndJoin) { nodeMediator = new NodeMediatorAndJoin(gActivity, processModel, session); } else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.OrJoin) { nodeMediator = new NodeMediatorOrJoin(gActivity, processModel, session); } else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.XOrJoin) { nodeMediator = new NodeMediatorXOrJoin(gActivity, processModel, session); } else { throw new XmlDefinitionException(string.Format("不明确的节点分支Gateway类型!{0}", gActivity.GatewayDirectionType.ToString())); } } else { throw new XmlDefinitionException(string.Format("不明确的节点类型!{0}", gActivity.ActivityType.ToString())); } return(nodeMediator); }
/// <summary> /// 递归执行节点 /// 1)创建普通节点的任务 /// 2)创建会签节点的任务 /// </summary> /// <param name="fromActivity">起始活动</param> /// <param name="fromActivityInstance">起始活动实例</param> /// <param name="isJumpforward">是否跳跃</param> /// <param name="root">根节点</param> /// <param name="conditionKeyValuePair">条件key-value</param> /// <param name="mediatorResult">执行结果的返回列表</param> protected void ContinueForwardCurrentNodeRecurisivly(ActivityEntity fromActivity, ActivityInstanceEntity fromActivityInstance, NextActivityComponent root, IDictionary <string, string> conditionKeyValuePair, Boolean isJumpforward, ref List <WfNodeMediatedResult> mediatorResult) { foreach (NextActivityComponent comp in root) { if (comp.HasChildren) { //此节点类型为分支或合并节点类型:首先需要实例化当前节点(自动完成) NodeMediatorGateway gatewayNodeMediator = NodeMediatorGatewayFactory.CreateGatewayNodeMediator(comp.Activity, this.ActivityForwardContext.ProcessModel, Session); ICompleteAutomaticlly autoGateway = (ICompleteAutomaticlly)gatewayNodeMediator; GatewayExecutedResult gatewayResult = autoGateway.CompleteAutomaticlly( ActivityForwardContext.ProcessInstance, comp.Transition.TransitionGUID, fromActivityInstance, ActivityForwardContext.ActivityResource, Session); if (gatewayResult.Status == GatewayExecutedStatus.Successed) { //遍历后续子节点 ContinueForwardCurrentNodeRecurisivly(fromActivity, gatewayNodeMediator.GatewayActivityInstance, comp, conditionKeyValuePair, isJumpforward, ref mediatorResult); } else { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.XOrFirstHasBeenFinishedOthersBlocked)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException("第一个满足条件的节点已经被成功执行,此后的节点被阻止在XOrJoin节点!")); } } else if (comp.Activity.ActivityType == ActivityTypeEnum.TaskNode) //普通任务节点 { //此节点类型为任务节点:根据fromActivityInstance的类型判断是否可以创建任务 if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed) { //创建新任务节点 NodeMediator taskNodeMediator = new NodeMediatorTask(Session); taskNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity, ActivityForwardContext.ProcessInstance, fromActivityInstance, comp.Transition.TransitionGUID, comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ? TransitionTypeEnum.Loop : TransitionTypeEnum.Forward, //根据Direction方向确定是否是自身循环 isJumpforward == true ? TransitionFlyingTypeEnum.ForwardFlying : TransitionFlyingTypeEnum.NotFlying, ActivityForwardContext.ActivityResource, Session); } else { //下一步的任务节点没有创建,需给出提示信息 if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true) { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException("等待其它需要合并的分支!")); } else { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.OtherUnknownReasonToDebug)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!")); } } } else if (comp.Activity.ActivityType == ActivityTypeEnum.SubProcessNode) //子流程节点 { //节点类型为subprocessnode if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed) { //实例化subprocess节点数据 NodeMediator subNodeMediator = new NodeMediatorSubProcess(Session); subNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity, ActivityForwardContext.ProcessInstance, fromActivityInstance, comp.Transition.TransitionGUID, comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ? TransitionTypeEnum.Loop : TransitionTypeEnum.Forward, TransitionFlyingTypeEnum.NotFlying, ActivityForwardContext.ActivityResource, Session); } } else if (comp.Activity.ActivityType == ActivityTypeEnum.EndNode) //结束节点 { if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed) { //此节点为完成结束节点,结束流程 NodeMediator endMediator = new NodeMediatorEnd(ActivityForwardContext, Session); endMediator.Linker.ToActivity = comp.Activity; //创建结束节点实例及转移数据 endMediator.CreateActivityTaskTransitionInstance(comp.Activity, ActivityForwardContext.ProcessInstance, fromActivityInstance, comp.Transition.TransitionGUID, TransitionTypeEnum.Forward, TransitionFlyingTypeEnum.NotFlying, ActivityForwardContext.ActivityResource, Session); //执行结束节点中的业务逻辑 endMediator.ExecuteWorkItem(); } else { //结束节点没有创建,需给出提示信息 if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true) { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException("等待其它需要合并的分支!")); } else { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.OtherUnknownReasonToDebug)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!")); } } } else { mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult( WfNodeMediatedFeedback.UnknownNodeTypeToWatch)); LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, new WfRuntimeException(string.Format("XML文件定义了未知的节点类型,执行失败,节点类型信息:{0}", comp.Activity.ActivityType.ToString())) ); } } }