/// <summary>
/// 获取流程当前运行节点信息
/// </summary>
/// <param name="runner"></param>
/// <returns></returns>
public ActivityInstanceEntity GetRunningNode(WfAppRunner runner)
{
var aim = new ActivityInstanceManager();
var entity = aim.GetRunningNode(runner);
return(entity);
}
/// <summary>
/// 获取上一步节点树
/// </summary>
/// <param name="runner">运行者</param>
/// <param name="hasGatewayPassed">是否经过网关</param>
/// <returns>上一步步骤列表</returns>
internal IList <NodeView> GetPreviousActivityTree(WfAppRunner runner, out Boolean hasGatewayPassed)
{
hasGatewayPassed = false;
//首先获取当前运行节点信息
var aim = new ActivityInstanceManager();
var runningNode = aim.GetRunningNode(runner);
var nodeList = GetPreviousActivityTree(runningNode, out hasGatewayPassed);
return(nodeList);
}
/// <summary>
/// 加签操作
/// </summary>
/// <param name="runner"></param>
/// <param name="result"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceSignForward(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerSignForward();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName) ||
String.IsNullOrEmpty(runner.AppInstanceID) ||
runner.ProcessGUID == null ||
runner.NextActivityPerformers == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.SignForward_ErrorArguments;
result.Message = "方法参数错误，无法加签流程！";
return(rmins);
}
if (runner.NextActivityPerformers.Count() == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.SignForward_NoneSigners;
result.Message = "没有添加要发送加签的人员";
return(rmins);
}
rmins.AppRunner = runner;
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, out taskView);
//判断是否是当前登录用户的任务
if (runningNode.AssignedToUserIDs.Contains(runner.UserID.ToString()) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_HasNoTask;
result.Message = "当前没有登录用户要办理的任务，无法运行流程！";
return(rmins);
}
var processModel = new ProcessModel(taskView.ProcessGUID, taskView.Version);
var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions, runner.DynamicVariables);
var tm = new TaskManager();
rmins.TaskView = taskView;
rmins.RunningActivityInstance = runningNode;
rmins.ProcessModel = processModel;
rmins.ActivityResource = activityResource;
return(rmins);
}
/// <summary>
/// 创建运行时实例对象
/// </summary>
/// <param name="runner">执行者</param>
/// <param name="session">数据库会话</param>
/// <param name="result">结果对象</param>
/// <returns>运行时实例对象</returns>
public static WfRuntimeManager CreateRuntimeInstanceAppRunning(WfAppRunner runner,
IDbSession session,
ref WfExecutedResult result)
{
//检查传人参数是否有效
var rmins = new WfRuntimeManagerAppRunning();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName) ||
String.IsNullOrEmpty(runner.AppInstanceID) ||
runner.ProcessGUID == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_ErrorArguments;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceAppRunning.missing.error");
return(rmins);
}
//传递runner变量
rmins.AppRunner = runner;
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, session, out taskView);
//判断是否是当前登录用户的任务
if (runningNode.AssignedToUserIDs.Contains(runner.UserID.ToString()) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_HasNoTask;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceAppRunning.nonetask.error");
return(rmins);
}
//用于流程注册事件时的流程实例ID提供
rmins.ProcessInstanceID = runningNode.ProcessInstanceID;
var processModel = ProcessModelFactory.Create(taskView.ProcessGUID, taskView.Version);
var activityResource = new ActivityResource(runner,
runner.NextActivityPerformers,
runner.Conditions);
rmins.TaskView = taskView;
rmins.RunningActivityInstance = runningNode;
rmins.ProcessModel = processModel;
rmins.ActivityResource = activityResource;
return(rmins);
}
/// <summary>
/// 创建跳转实例信息
/// </summary>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时实例对象</returns>
public static WfRuntimeManager CreateRuntimeInstanceJump(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerJump();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName) ||
String.IsNullOrEmpty(runner.AppInstanceID) ||
runner.ProcessGUID == null ||
runner.NextActivityPerformers == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Jump_ErrorArguments;
result.Message = "方法参数错误，无法运行流程！";
return(rmins);
}
//流程跳转时，只能跳转到一个节点
if (runner.NextActivityPerformers.Count() > 1)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Jump_OverOneStep;
result.Message = string.Format("不能跳转到多个节点！节点数:{0}",
runner.NextActivityPerformers.Count());
return(rmins);
}
//获取当前运行节点信息
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, out taskView);
//传递runner变量
rmins.TaskView = taskView;
rmins.AppRunner = runner;
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
var processModel = ProcessModelFactory.Create(taskView.ProcessGUID, taskView.Version);
rmins.ProcessModel = processModel;
#region 考虑回跳方式
////获取跳转节点信息
//var jumpActivityGUID = runner.NextActivityPerformers.First().Key;
//var jumpActivityInstanceList = aim.GetActivityInstance(runner.AppInstanceID, runner.ProcessGUID, jumpActivityGUID);
//if (jumpActivityInstanceList != null
// && jumpActivityInstanceList.Count > 0)
//{
// //跳转到曾经执行过的节点上,可以作为跳回方式处理
// rmins.IsBackward = true;
// rmins.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
// rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(jumpActivityGUID);
// //获取当前运行节点的上一步节点
// bool hasGatewayNode = false;
// var tim = new TransitionInstanceManager();
// var lastTaskTransitionInstance = tim.GetLastTaskTransition(runner.AppName,
// runner.AppInstanceID, runner.ProcessGUID);
// var previousActivityInstance = tim.GetPreviousActivityInstance(runningNode, true,
// out hasGatewayNode).ToList()[0];
// //仅仅是回跳到上一步节点，即按SendBack方式处理
// if (previousActivityInstance.ActivityGUID == jumpActivityGUID)
// {
// rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
// rmins.BackwardContext.BackwardToTargetTransitionGUID =
// hasGatewayNode == false ? lastTaskTransitionInstance.TransitionGUID : System.Guid.Empty; //如果中间有Gateway节点，则没有直接相连的TransitonGUID
// rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
// rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
// rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(
// previousActivityInstance.ActivityName,
// previousActivityInstance.EndedByUserID.Value,
// previousActivityInstance.EndedByUserName);
// rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
// previousActivityInstance.ActivityGUID,
// previousActivityInstance.EndedByUserID.Value,
// previousActivityInstance.EndedByUserName);
// }
// else
// {
// //回跳到早前节点
// var jumptoActivityInstance = jumpActivityInstanceList[0];
// if (jumptoActivityInstance.ActivityState != (short)ActivityStateEnum.Completed)
// {
// result.Status = WfExecutedStatus.Exception;
// result.Exception = WfJumpException.NotActivityBackCompleted;
// result.Message = string.Format("回跳到的节点不在完成状态，无法重新回跳！");
// return rmins;
// }
// rmins.BackwardContext.BackwardToTaskActivityInstance = jumptoActivityInstance;
// //判断两个节点是否有Transition的定义存在
// var transition = processModel.GetForwardTransition(runningNode.ActivityGUID, runner.JumpbackActivityGUID.Value);
// rmins.BackwardContext.BackwardToTargetTransitionGUID = transition != null ? transition.TransitionGUID : System.Guid.Empty;
// rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
// rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
// rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(
// jumptoActivityInstance.ActivityName,
// jumptoActivityInstance.EndedByUserID.Value,
// jumptoActivityInstance.EndedByUserName);
// rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
// jumptoActivityInstance.ActivityGUID,
// jumptoActivityInstance.EndedByUserID.Value,
// jumptoActivityInstance.EndedByUserName);
// }
// //获取资源数据
// var activityResourceBack = new ActivityResource(rmins.AppRunner,
// rmins.AppRunner.NextActivityPerformers,
// runner.Conditions);
// rmins.ActivityResource = activityResourceBack;
//}
//else
//{
// //跳转到从未执行过的节点上
// var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions);
// rmins.ActivityResource = activityResource;
// rmins.RunningActivityInstance = runningNode;
//}
#endregion
//跳转到从未执行过的节点上
var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions);
rmins.ActivityResource = activityResource;
rmins.RunningActivityInstance = runningNode;
return(rmins);
}
/// <summary>
/// 退回操作
/// </summary>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时实例对象</returns>
internal static WfRuntimeManager CreateRuntimeInstanceSendBack(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
var sendbackOperation = SendbackOperationTypeEnum.Default;
//先查找当前用户正在办理的运行节点
var aim = new ActivityInstanceManager();
var runningNode = runner.TaskID != null?aim.GetByTask(runner.TaskID.Value)
: aim.GetRunningNode(runner);
if (runningNode == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotInRunning;
result.Message = "当前没有运行状态的节点存在，流程不存在，或者已经结束或取消";
return(rmins);
}
if (aim.IsMineTask(runningNode, runner.UserID) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotMineTask;
result.Message = "不是当前登录用户的任务，无法退回！";
return(rmins);
}
var activityType = EnumHelper.ParseEnum <ActivityTypeEnum>(runningNode.ActivityType.ToString());
if (XPDLHelper.IsSimpleComponentNode(activityType) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotTaskNode;
result.Message = "当前节点不是任务类型的节点，无法退回上一步节点！";
return(rmins);
}
//获取当前运行主节点信息
var currentNode = runningNode;
if (runningNode.MIHostActivityInstanceID != null)
{
currentNode = aim.GetById(runningNode.MIHostActivityInstanceID.Value);
}
//获取上一步流转节点信息，可能经过And, Or等路由节点
//判断前置步骤是否经过Gateway节点
var hasGatewayPassed = false;
var processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
var processModel = ProcessModelFactory.Create(processInstance.ProcessGUID, processInstance.Version);
var previousActivityList = aim.GetPreviousActivityList(runningNode, processModel, out hasGatewayPassed);
if (previousActivityList == null ||
previousActivityList.Count == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsNull;
result.Message = "当前没有可以退回的节点，请检查流程数据！";
return(null);
}
//多个退回节点存在的有效退回判断
IList <ActivityEntity> sendbackPreviousActivityList = new List <ActivityEntity>();
if (previousActivityList.Count > 1)
{
if (runner.NextActivityPerformers == null ||
runner.NextActivityPerformers.Count == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsTooManyPrevious;
result.Message = "当前有多个可以退回的节点，无法选择，请明确指定！";
return(rmins);
}
//明确指定的退回节点，需要判断处理
var isInvalidSendBack = IsInvalidStepsInPrevousActivityList(previousActivityList,
runner.NextActivityPerformers,
sendbackPreviousActivityList);
if (isInvalidSendBack == true)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotContainedInPreviousOrStartNode;
result.Message = "指定的退回节点不在上一步节点运行列表中，或者上一步是开始节点，无法退回！";
return(rmins);
}
}
else
{
//只有一个要退回去的节点
sendbackPreviousActivityList.Add(previousActivityList[0]);
}
//判断当前节点是否是多实例节点
if (runningNode.MIHostActivityInstanceID != null)
{
if (runningNode.CompleteOrder == 1)
{
//只有串行模式下有CompleteOrder的值为 1
//串行模式多实例的第一个执行节点，此时可退回到上一步
sendbackOperation = SendbackOperationTypeEnum.MISFirstOneIsRunning;
}
else if (runningNode.CompleteOrder > 1)
{
//已经是中间节点，只能退回到上一步多实例子节点
sendbackOperation = SendbackOperationTypeEnum.MISOneIsRunning;
}
else if (runningNode.CompleteOrder == -1)
{
sendbackOperation = SendbackOperationTypeEnum.MIPOneIsRunning;
}
}
if (hasGatewayPassed == true)
{
sendbackOperation = SendbackOperationTypeEnum.GatewayFollowedByParalleledNodes;
}
else
{
sendbackOperation = SendbackOperationTypeEnum.Normal;
}
//根据不同分支场景，创建不同撤销运行时管理器
return(CreateRuntimeInstanceSendbackByCase(runningNode, processModel, processInstance,
sendbackPreviousActivityList, hasGatewayPassed, sendbackOperation, runner, ref result));
}
/// <summary>
/// 退回操作
/// </summary>
/// <param name="appName"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="userID"></param>
/// <param name="userName"></param>
/// <param name="result"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceSendBack(WfAppRunner runner,
ref WfExecutedResult result)
{
WfRuntimeManager rmins = null;
//检查当前运行节点信息
var aim = new ActivityInstanceManager();
var runningNode = aim.GetRunningNode(runner);
if (runningNode.ActivityType != (short)ActivityTypeEnum.TaskNode)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotTaskNode;
result.Message = "当前节点不是任务节点，无法退回上一步节点！";
return(rmins);
}
if (!(runningNode.ActivityState == (short)ActivityStateEnum.Ready ||
runningNode.ActivityState == (short)ActivityStateEnum.Running))
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotInRunning;
result.Message = string.Format("当前节点的状态不在运行状态，无法退回上一步节点！当前节点状态：{0}",
runningNode.ActivityState);
return(rmins);
}
if (aim.IsMineTask(runningNode, runner.UserID) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotMineTask;
result.Message = "不是登录用户的任务，无法退回！";
return(rmins);
}
var processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
var processModel = (new ProcessModel(processInstance.ProcessGUID, processInstance.Version));
//判断是否是多实例节点
if (runningNode.MIHostActivityInstanceID != null &&
runningNode.MIHostActivityInstanceID.Value > 0)
{
var previousActivityInstance = aim.GetPreviousOfMultipleInstanceNode(runningNode.MIHostActivityInstanceID.Value,
runningNode.ID, runningNode.CompleteOrder.Value);
if (previousActivityInstance != null &&
previousActivityInstance.EndedByUserID == runner.UserID)
{
rmins = new WfRuntimeManagerSendBackMI();
rmins.WfExecutedResult = result = new WfExecutedResult();
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(previousActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(
previousActivityInstance.ActivityName,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
//封装AppUser对象
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
previousActivityInstance.ActivityGUID,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
}
//以下部分是处理非多实例节点的情况
//正常流转过程，无会签加签等特殊场景
rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
//获取上一步流转节点信息，可能经过And, Or等路由节点
var tim = new TransitionInstanceManager();
var lastTaskTransitionInstance = tim.GetLastTaskTransition(runner.AppName,
runner.AppInstanceID, runner.ProcessGUID);
if (lastTaskTransitionInstance.TransitionType == (short)TransitionTypeEnum.Loop)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsLoopNode;
result.Message = "当前流转是自循环，无需退回！";
return(rmins);
}
//设置退回节点的相关信息
bool hasGatewayNode = false;
var sendbackToActivityInstance = tim.GetPreviousActivityInstance(runningNode, true,
out hasGatewayNode).ToList()[0];
if (sendbackToActivityInstance.ActivityType == (short)ActivityTypeEnum.StartNode)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_PreviousIsStartNode;
result.Message = "上一步是开始节点，无需退回！";
return(rmins);
}
rmins.ProcessModel = processModel;
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(sendbackToActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = sendbackToActivityInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayNode == false ? lastTaskTransitionInstance.TransitionGUID : String.Empty; //如果中间有Gateway节点，则没有直接相连的TransitonGUID
rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(sendbackToActivityInstance.ActivityName,
sendbackToActivityInstance.EndedByUserID, sendbackToActivityInstance.EndedByUserName);
//封装AppUser对象
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(sendbackToActivityInstance.ActivityGUID,
sendbackToActivityInstance.EndedByUserID,
sendbackToActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
/// <summary>
/// 撤销操作
/// 包括：
/// 1) 正常流转
/// 2) 多实例节点流转
/// </summary>
/// <param name="appName"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="userID"></param>
/// <param name="userName"></param>
/// <param name="result"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceWithdraw(WfAppRunner runner,
ref WfExecutedResult result)
{
WfRuntimeManager rmins = null;
//获取当前运行节点信息
var aim = new ActivityInstanceManager();
var runningNode = aim.GetRunningNode(runner);
var processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
var processModel = (new ProcessModel(processInstance.ProcessGUID, processInstance.Version));
if ((runningNode == null) || (runningNode.ActivityState != (short)ActivityStateEnum.Ready))
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_NotInReady;
result.Message = string.Format("要撤销的节点不在【待办】状态，已经无法撤销到上一步，当前状态: {0}",
runningNode.ActivityState);//，节点状态：{0} runningNode.ActivityState 为空报错20150514
return(rmins);
}
//判断是否是多实例节点
if (runningNode.MIHostActivityInstanceID != null &&
runningNode.MIHostActivityInstanceID.Value > 0)
{
//获取同一会签主节点下的前置节点信息
var previousActivityInstance = aim.GetPreviousOfMultipleInstanceNode(
runningNode.MIHostActivityInstanceID.Value,
runningNode.ID, runningNode.CompleteOrder.Value);
if (previousActivityInstance != null &&
previousActivityInstance.EndedByUserID == runner.UserID)
{
//返回多实例节点下的处理模式
rmins = new WfRuntimeManagerWithdrawMI();
rmins.WfExecutedResult = result = new WfExecutedResult();
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(previousActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
rmins.BackwardContext.BackwardFromActivityInstance = runningNode; //准备状态的接收节点
rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(
previousActivityInstance.ActivityName,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
//封装AppUser对象
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
previousActivityInstance.ActivityGUID,
runner.UserID,
runner.UserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
}
//以下部分是处理非多实例节点的情况
//正常流转过程，无会签加签等特殊场景
rmins = new WfRuntimeManagerWithdraw();
rmins.WfExecutedResult = result = new WfExecutedResult();
//获取上一步流转节点信息，可能经过And, Or等路由节点
var tim = new TransitionInstanceManager();
bool hasGatewayNode = false;
var lastActivityInstanceList = tim.GetPreviousActivityInstance(runningNode, false, out hasGatewayNode).ToList();
if (lastActivityInstanceList == null || lastActivityInstanceList.Count > 1)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_HasTooMany;
result.Message = "当前没有可以撤销回去的节点，或者有多个可以撤销回去的节点，无法选择！";
return(rmins);
}
TransitionInstanceEntity lastTaskTransitionInstance = null;
if (hasGatewayNode == false)
{
lastTaskTransitionInstance = tim.GetLastTaskTransition(runner.AppName,
runner.AppInstanceID, runner.ProcessGUID);
}
var withdrawActivityInstance = lastActivityInstanceList[0];
if (withdrawActivityInstance.EndedByUserID != runner.UserID)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_NotCreatedByMine;
result.Message = string.Format("上一步节点的任务办理人跟当前登录用户不一致，无法撤销回上一步！节点办理人：{0}",
withdrawActivityInstance.EndedByUserName);
return(rmins);
}
if (withdrawActivityInstance.ActivityType == (short)ActivityTypeEnum.EndNode)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_PreviousIsEndNode;
result.Message = "上一步是结束节点，无法撤销！";
return(rmins);
}
if (withdrawActivityInstance.ComplexType != null &&
(withdrawActivityInstance.ComplexType.Value == (short)ComplexTypeEnum.SignTogether ||
withdrawActivityInstance.ComplexType.Value == (short)ComplexTypeEnum.SignForward))
{
//上一步节点是会签（或加签）节点，当前节点是会签节点的下一节点
//会签节点是里程碑节点，不允许可以被撤销，即会签节点的最后一个办理人不能撤销已经完成的会签任务
//但是可以做【退回】处理，退回时整个会签节点重新执行，这样避免会签任务的单个人随意操作。
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_SignTogetherNotAllowed;
result.Message = "会签(或加签)已经发送出去（里程碑节点），不能撤销；但可由下一步操作人退回，重新开始所有人的会签(或加签)！";
return(rmins);
}
//准备撤销节点的相关信息
rmins.ProcessModel = processModel;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayNode == false ? lastTaskTransitionInstance.TransitionGUID : String.Empty;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(withdrawActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = withdrawActivityInstance;
rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
rmins.BackwardContext.BackwardFromActivityInstance = runningNode; //准备状态的接收节点
rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(
withdrawActivityInstance.ActivityName,
withdrawActivityInstance.EndedByUserID,
withdrawActivityInstance.EndedByUserName);
//封装AppUser对象
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
withdrawActivityInstance.ActivityGUID,
runner.UserID,
runner.UserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
/// <summary>
/// 退回操作
/// </summary>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时实例对象</returns>
internal static WfRuntimeManager CreateRuntimeInstanceSendBack(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
//没有指定退回节点信息
if (runner.NextPerformerType != NextPerformerIntTypeEnum.Traced &&
(runner.NextActivityPerformers == null || runner.NextActivityPerformers.Count == 0))
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsNull;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.null.error");
return(rmins);
}
//先查找当前用户正在办理的运行节点
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, out taskView);
if (runningNode == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotInRunning;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.nonerun.error");
return(rmins);
}
if (aim.IsMineTask(runningNode, runner.UserID) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotMineTask;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.nonetask.error");
return(rmins);
}
var activityType = EnumHelper.ParseEnum <ActivityTypeEnum>(runningNode.ActivityType.ToString());
if (XPDLHelper.IsSimpleComponentNode(activityType) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotTaskNode;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.nottask.error");
return(rmins);
}
//获取上一步节点信息
var hasGatewayPassed = false;
var processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
var processModel = ProcessModelFactory.Create(processInstance.ProcessGUID, processInstance.Version);
var previousStepChecker = new PreviousStepChecker();
var previousActivityList = previousStepChecker.GetPreviousActivityList(runningNode, processModel, out hasGatewayPassed);
//判断退回是否有效
if (previousActivityList == null || previousActivityList.Count == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsNull;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.empty.error");
return(rmins);
}
//前端用户指定退回步骤的模式
if (runner.NextPerformerType != NextPerformerIntTypeEnum.Traced)
{
if (runner.NextActivityPerformers == null || runner.NextActivityPerformers.Count == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsNull;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.noneperformer.error");
return(rmins);
}
//检查节点是否一致
if (previousActivityList.Count == 1)
{
var onlyActivityGUID = previousActivityList[0].ActivityGUID;
var isOnly = true;
foreach (var step in runner.NextActivityPerformers)
{
if (step.Key != onlyActivityGUID)
{
isOnly = false;
break;
}
}
//存在不一致的退回节点
if (isOnly == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsTooManyPrevious;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceSendBack.notunique.error");
return(rmins);
}
}
}
else
{
//Traced 用于直接返回上一步使用，测试模式
var prevActivity = previousActivityList[0];
var performerList = PerformerBuilder.CreatePerformerList(runningNode.CreatedByUserID, runningNode.CreatedByUserName);
runner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(prevActivity.ActivityGUID, performerList);
}
//创建运行时
rmins.TaskView = taskView;
rmins.RunningActivityInstance = runningNode;
rmins.ProcessInstanceID = runningNode.ProcessInstanceID;
rmins.ProcessInstance = processInstance;
rmins.ProcessModel = processModel;
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.AppRunner.NextActivityPerformers = runner.NextActivityPerformers;
//设置退回选项类
var sendbackOperation = new SendBackOperation();
sendbackOperation.BackwardType = BackwardTypeEnum.Sendback;
sendbackOperation.ProcessInstance = processInstance;
sendbackOperation.BackwardFromActivityInstance = runningNode;
sendbackOperation.HasGatewayPassed = hasGatewayPassed;
sendbackOperation.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
sendbackOperation.ProcessModel = processModel;
sendbackOperation.IsCancellingBrothersNode = (runner.ControlParameterSheet != null &&
runner.ControlParameterSheet.IsCancellingBrothersNode == 1) ? true : false;
rmins.SendBackOperation = sendbackOperation;
return(rmins);
}
/// <summary>
/// 创建跳转实例信息
/// </summary>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时实例对象</returns>
public static WfRuntimeManager CreateRuntimeInstanceJump(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerJump();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName) ||
String.IsNullOrEmpty(runner.AppInstanceID) ||
runner.ProcessGUID == null ||
runner.NextActivityPerformers == null)
{
//缺失方法参数
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Jump_ErrorArguments;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceJump.missing.error");
return(rmins);
}
//流程跳转时，只能跳转到一个节点
if (runner.NextActivityPerformers.Count() > 1)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Jump_OverOneStep;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceJump.jump.error",
runner.NextActivityPerformers.Count().ToString());
return(rmins);
}
//获取当前运行节点信息
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, out taskView);
//传递runner变量
rmins.TaskView = taskView;
rmins.AppRunner = runner;
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
//用于流程注册时间调用时候的流程实例ID提供
rmins.ProcessInstanceID = runningNode.ProcessInstanceID;
var processModel = ProcessModelFactory.Create(taskView.ProcessGUID, taskView.Version);
rmins.ProcessModel = processModel;
#region 考虑回跳方式
//获取跳转节点信息
var jumpBackActivityGUID = runner.NextActivityPerformers.First().Key;
var jumpBackActivityInstance = aim.GetActivityInstanceLatest(runningNode.ProcessInstanceID, jumpBackActivityGUID);
if (jumpBackActivityInstance != null)
{
//跳转到曾经执行过的节点上,可以作为跳回方式处理
rmins.IsBackward = true;
rmins.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(jumpBackActivityGUID);
//获取当前运行节点的上一步节点
bool hasGatewayNode = false;
var tim = new TransitionInstanceManager();
var lastTaskTransitionInstance = tim.GetLastTaskTransition(runner.AppName,
runner.AppInstanceID, runner.ProcessGUID);
var npc = new PreviousStepChecker();
var previousActivityInstance = npc.GetPreviousActivityInstanceList(runningNode, true,
out hasGatewayNode).ToList()[0];
//仅仅是回跳到上一步节点，即按SendBack方式处理
if (previousActivityInstance.ActivityGUID == jumpBackActivityGUID)
{
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayNode == false ? lastTaskTransitionInstance.TransitionGUID : WfDefine.WF_XPDL_GATEWAY_BYPASS_GUID; //如果中间有Gateway节点，则没有直接相连的TransitonGUID
rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
rmins.BackwardContext.BackwardTaskReceiver = WfBackwardTaskReceiver.Instance(
previousActivityInstance.ActivityName,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
previousActivityInstance.ActivityGUID,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
}
else
{
//回跳到早前节点
if (jumpBackActivityInstance.ActivityState != (short)ActivityStateEnum.Completed)
{
//回跳节点不在完成状态
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Jump_NotActivityBackCompleted;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceJump.back.error");
return(rmins);
}
rmins.BackwardContext.BackwardToTaskActivityInstance = jumpBackActivityInstance;
//判断两个节点是否有Transition的定义存在
var transition = processModel.GetForwardTransition(runningNode.ActivityGUID, jumpBackActivityGUID);
rmins.BackwardContext.BackwardToTargetTransitionGUID = transition != null ? transition.TransitionGUID : WfDefine.WF_XPDL_GATEWAY_BYPASS_GUID;
rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
rmins.BackwardContext.BackwardFromActivityInstance = runningNode;
rmins.BackwardContext.BackwardTaskReceiver = WfBackwardTaskReceiver.Instance(
jumpBackActivityInstance.ActivityName,
jumpBackActivityInstance.EndedByUserID,
jumpBackActivityInstance.EndedByUserName);
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(
jumpBackActivityInstance.ActivityGUID,
jumpBackActivityInstance.EndedByUserID,
jumpBackActivityInstance.EndedByUserName);
}
//获取资源数据
var activityResourceBack = new ActivityResource(rmins.AppRunner,
rmins.AppRunner.NextActivityPerformers,
runner.Conditions);
rmins.ActivityResource = activityResourceBack;
}
else
{
//跳转到从未执行过的节点上
var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions);
rmins.ActivityResource = activityResource;
rmins.RunningActivityInstance = runningNode;
}
#endregion
return(rmins);
}
