/// <summary>
/// 构造函数
/// </summary>
/// <param name="sendbackOperation">退回选项</param>
/// <param name="session">数据会话</param>
internal NodeSendBack(SendBackOperation sendbackOperation, IDbSession session)
{
_sendBackOperation = sendbackOperation;
_session = session;
_activityInstanceManager = new ActivityInstanceManager();
_taskManager = new TaskManager();
_transitionInstanceManager = new TransitionInstanceManager();
}
/// <summary>
/// 流程返签，先检查约束条件，然后调用wfruntimeinstance执行
/// </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 CreateRuntimeInstanceReverse(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerReverse();
rmins.WfExecutedResult = result = new WfExecutedResult();
var pim = new ProcessInstanceManager();
var processInstance = pim.GetProcessInstanceLatest(runner.AppInstanceID, runner.ProcessGUID);
if (processInstance == null || processInstance.ProcessState != (short)ProcessStateEnum.Completed)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Reverse_NotInCompleted;
result.Message = string.Format("当前应用:{0}，实例ID：{1}, 没有完成的流程实例，无法让流程重新运行！",
runner.AppName, runner.AppInstanceID);
return(rmins);
}
var tim = new TransitionInstanceManager();
var endTransitionInstance = tim.GetEndTransition(runner.AppName, runner.AppInstanceID, runner.ProcessGUID);
var processModel = ProcessModelFactory.Create(processInstance.ProcessGUID, processInstance.Version);
var endActivity = processModel.GetActivity(endTransitionInstance.ToActivityGUID);
var aim = new ActivityInstanceManager();
var endActivityInstance = aim.GetById(endTransitionInstance.ToActivityInstanceID);
bool hasGatewayNode = false;
var lastTaskActivityInstance = tim.GetPreviousActivityInstance(endActivityInstance, false,
out hasGatewayNode).ToList()[0];
var lastTaskActivity = processModel.GetActivity(lastTaskActivityInstance.ActivityGUID);
//封装返签结束点之前办理节点的任务接收人
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(lastTaskActivityInstance.ActivityGUID,
lastTaskActivityInstance.EndedByUserID,
lastTaskActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
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.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = lastTaskActivity;
rmins.BackwardContext.BackwardToTaskActivityInstance = lastTaskActivityInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayNode == false ? endTransitionInstance.TransitionGUID : String.Empty;
rmins.BackwardContext.BackwardFromActivity = endActivity;
rmins.BackwardContext.BackwardFromActivityInstance = endActivityInstance;
rmins.BackwardContext.BackwardTaskReceiver = WfBackwardTaskReceiver.Instance(lastTaskActivityInstance.ActivityName,
lastTaskActivityInstance.EndedByUserID,
lastTaskActivityInstance.EndedByUserName);
return(rmins);
}
/// <summary>
/// 读取节点的上一步节点信息
/// </summary>
/// <param name="runningNode">当前节点</param>
/// <param name="isLookUpBackSource">是否退回</param>
/// <param name="hasPassedGatewayNode">是否经由路由节点</param>
/// <returns>活动实例列表</returns>
internal IList <ActivityInstanceEntity> GetPreviousActivityInstanceList(ActivityInstanceEntity runningNode,
bool isLookUpBackSource,
out bool hasPassedGatewayNode)
{
hasPassedGatewayNode = false;
var tim = new TransitionInstanceManager();
var transitionList = tim.GetTransitionInstanceList(runningNode.AppInstanceID,
runningNode.ProcessGUID,
runningNode.ProcessInstanceID).ToList();
var backSrcActivityInstanceId = 0;
if (isLookUpBackSource == true)
{
//退回情况下的处理
if (runningNode.MIHostActivityInstanceID != null && runningNode.CompleteOrder.Value == 1)
{
//多实例的第一个子节点，先找到主节点，再到transition记录表中找到上一步节点
backSrcActivityInstanceId = runningNode.MIHostActivityInstanceID.Value;
}
else if (runningNode.BackSrcActivityInstanceID != null)
{
//节点时曾经发生退回的节点
backSrcActivityInstanceId = runningNode.BackSrcActivityInstanceID.Value;
}
else
{
backSrcActivityInstanceId = runningNode.ID;
}
}
else
{
backSrcActivityInstanceId = runningNode.ID;
}
var aim = new ActivityInstanceManager();
var runningTransitionList = transitionList
.Where(o => o.ToActivityInstanceID == backSrcActivityInstanceId)
.ToList();
IList <ActivityInstanceEntity> previousActivityInstanceList = new List <ActivityInstanceEntity>();
foreach (var entity in runningTransitionList)
{
//如果是逻辑节点，则继续查找
if (entity.FromActivityType == (short)ActivityTypeEnum.GatewayNode)
{
GetPreviousOfGatewayActivityInstance(transitionList, entity.FromActivityInstanceID, previousActivityInstanceList);
hasPassedGatewayNode = true;
}
else
{
previousActivityInstanceList.Add(aim.GetById(entity.FromActivityInstanceID));
}
}
return(previousActivityInstanceList);
}
/// <summary>
/// 获取转移实例记录
/// </summary>
/// <param name="query">查询实体</param>
/// <returns>转移列表</returns>
public IList <TransitionImage> GetTransitionInstanceList(TransitionInstanceQuery query)
{
IList <TransitionImage> imageList = new List <TransitionImage>();
var tm = new TransitionInstanceManager();
var list = tm.GetTransitionInstanceList(query.AppInstanceID, query.ProcessGUID).ToList();
foreach (TransitionInstanceEntity t in list)
{
imageList.Add(new TransitionImage
{
ID = t.ID,
TransitionGUID = t.TransitionGUID
});
}
return(imageList);
}
/// <summary>
/// 插入连线实例的方法
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivityInstance">来源活动实例</param>
/// <param name="toActivityInstance">目的活动实例</param>
/// <param name="transitionType">转移类型</param>
/// <param name="flyingType">飞跃类型</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
/// <returns></returns>
internal virtual void InsertTransitionInstance(WfProcessInstance processInstance,
string transitionGUID,
WfActivityInstance fromActivityInstance,
WfActivityInstance toActivityInstance,
TransitionTypeEnum transitionType,
TransitionFlyingTypeEnum flyingType)
{
var tim = new TransitionInstanceManager(_serviceProvider);
var transitionInstanceObject = tim.CreateTransitionInstanceObject(processInstance,
transitionGUID,
fromActivityInstance,
toActivityInstance,
transitionType,
flyingType,
_runner,
(byte)ConditionParseResultEnum.Passed);
tim.Insert(transitionInstanceObject);
}
/// <summary>
/// 插入连线实例的方法
/// </summary>
/// <param name="processInstance"></param>
/// <param name="fromToTransition"></param>
/// <param name="fromActivityInstance"></param>
/// <param name="toActivityInstance"></param>
/// <param name="conditionParseResult"></param>
/// <param name="wfLinqDataContext"></param>
/// <returns></returns>
internal virtual void InsertTransitionInstance(ProcessInstanceEntity processInstance,
TransitionEntity fromToTransition,
ActivityInstanceEntity fromActivityInstance,
ActivityInstanceEntity toActivityInstance,
TransitionTypeEnum transitionType,
WfLogonUser logonUser,
ISession session)
{
var tim = new TransitionInstanceManager();
var transitionInstanceObject = tim.CreateTransitionInstanceObject(processInstance,
fromToTransition,
fromActivityInstance,
toActivityInstance,
transitionType,
logonUser,
(byte)ConditionParseResultEnum.Passed);
tim.Insert(transitionInstanceObject,
session);
}
/// <summary>
/// 插入连线实例的方法
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionId">转移ID</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="toActivityInstance">到达活动实例</param>
/// <param name="transitionType">转移类型</param>
/// <param name="flyingType">跳跃类型</param>
/// <param name="runner">执行者</param>
/// <param name="session">Session</param>
internal virtual void InsertTransitionInstance(WfProcessInstance processInstance,
String transitionId,
WfActivityInstance fromActivityInstance,
WfActivityInstance toActivityInstance,
TransitionTypeEnum transitionType,
TransitionFlyingTypeEnum flyingType,
WfAppRunner runner)
{
var tim = new TransitionInstanceManager(_dataAccessor, _loggerFactory);
var transitionInstanceObject = tim.CreateTransitionInstanceObject(processInstance,
transitionId,
fromActivityInstance,
toActivityInstance,
transitionType,
flyingType,
runner,
(byte)ConditionParseResultEnum.Passed);
tim.Insert(transitionInstanceObject);
}
/// <summary>
/// 插入连线实例的方法
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivityInstance">来源活动实例</param>
/// <param name="toActivityInstance">目的活动实例</param>
/// <param name="transitionType">转移类型</param>
/// <param name="flyingType">飞跃类型</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
/// <returns></returns>
internal virtual void InsertTransitionInstance(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityInstanceEntity fromActivityInstance,
ActivityInstanceEntity toActivityInstance,
TransitionTypeEnum transitionType,
TransitionFlyingTypeEnum flyingType,
WfAppRunner runner,
IDbSession session)
{
var tim = new TransitionInstanceManager();
var transitionInstanceObject = tim.CreateTransitionInstanceObject(processInstance,
transitionGUID,
fromActivityInstance,
toActivityInstance,
transitionType,
flyingType,
runner,
(byte)ConditionParseResultEnum.Passed);
tim.Insert(session.Connection, transitionInstanceObject, session.Transaction);
}
/// <summary>
/// 根据不同退回场景创建运行时管理器
/// </summary>
/// <param name="runningActivityInstanceList">运行节点列表</param>
/// <param name="sendbackOperation">退回类型</param>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时管理器</returns>
private static WfRuntimeManager CreateRuntimeInstanceSendbackByCase(
List <ActivityInstanceEntity> runningActivityInstanceList,
SendbackOperationTypeEnum sendbackOperation,
WfAppRunner runner,
ref WfExecutedResult result)
{
WfRuntimeManager rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
ActivityInstanceEntity runningNode = runningActivityInstanceList.Where(x => x.ActivityState == (int)ActivityStateEnum.Running).OrderBy(x => x.ID).FirstOrDefault();
if (runningNode == null)
{
runningNode = runningActivityInstanceList[0];
}
ProcessInstanceEntity processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
IProcessModel processModel = ProcessModelFactory.Create(processInstance.ProcessGUID, processInstance.Version);
var aim = new ActivityInstanceManager();
//以下处理，需要知道上一步是独立节点的信息
//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 currentNode = runningNode;
var lastActivityInstanceList = tim.GetPreviousActivityInstance(currentNode, true, out hasGatewayNode).ToList();
if (lastActivityInstanceList == null || lastActivityInstanceList.Count == 0 || lastActivityInstanceList.Count > 1)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NullOrHasTooMany;
result.Message = "当前没有可以退回的节点，或者有多个可以退回的节点，无法选择！";
return(rmins);
}
TransitionInstanceEntity 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
var previousActivityInstance = lastActivityInstanceList[0];
if (previousActivityInstance.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);
}
if (sendbackOperation == SendbackOperationTypeEnum.Normal)
{
//简单串行模式下的退回
rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
rmins.ProcessModel = processModel;
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(previousActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
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.BackwardTaskReceiver = WfBackwardTaskReceiver.Instance(previousActivityInstance.ActivityName,
previousActivityInstance.EndedByUserID, previousActivityInstance.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(previousActivityInstance.ActivityGUID,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
//如果有其它模式，没有处理到，则直接抛出异常
throw new WorkflowException("未知的退回场景，请报告给技术支持人员！");
}
/// <summary>
/// 根据不同撤销场景创建运行时管理器
/// </summary>
/// <param name="runningActivityInstanceList">运行节点列表</param>
/// <param name="withdrawOperation">撤销类型</param>
/// <param name="runner">执行者</param>
/// <param name="result">结果对象</param>
/// <returns>运行时管理器</returns>
private static WfRuntimeManager CreateRuntimeInstanceWithdrawByCase(
List <ActivityInstanceEntity> runningActivityInstanceList,
WithdrawOperationTypeEnum withdrawOperation,
WfAppRunner runner,
ref WfExecutedResult result)
{
WfRuntimeManager rmins = new WfRuntimeManagerWithdraw();
rmins.WfExecutedResult = result = new WfExecutedResult();
//根据当前运行节点获取
ActivityInstanceEntity runningNode = runningActivityInstanceList[0];
ProcessInstanceEntity processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
IProcessModel processModel = ProcessModelFactory.Create(processInstance.ProcessGUID, processInstance.Version);
//不同撤销的分支场景处理
var aim = new ActivityInstanceManager();
//以下处理，需要知道上一步是独立节点的信息
//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 currentNode = runningNode;
if (runningNode.MIHostActivityInstanceID != null)
{
//如果当前运行节点是多实例子节点，则需要找到它的主节点的Transiton记录
currentNode = aim.GetById(runningNode.MIHostActivityInstanceID.Value);
}
var lastActivityInstanceList = tim.GetPreviousActivityInstance(currentNode, 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);
if (lastTaskTransitionInstance.TransitionType == (short)TransitionTypeEnum.Loop)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_IsLoopNode;
result.Message = "当前流转是自循环，无需撤销！";
return(rmins);
}
}
var previousActivityInstance = lastActivityInstanceList[0];
if (previousActivityInstance.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}",
previousActivityInstance.EndedByUserName);
return(rmins);
}
if (previousActivityInstance.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);
}
//当前运行节点是普通节点
if (withdrawOperation == WithdrawOperationTypeEnum.Normal)
{
//简单串行模式下的退回
rmins = new WfRuntimeManagerWithdraw();
rmins.WfExecutedResult = result = new WfExecutedResult();
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(previousActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
rmins.BackwardContext.BackwardFromActivity = processModel.GetActivity(runningNode.ActivityGUID);
rmins.BackwardContext.BackwardFromActivityInstance = runningNode; //准备状态的接收节点
rmins.BackwardContext.BackwardTaskReceiver = WfBackwardTaskReceiver.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);
}
//如果有其它模式，没有处理到，则直接抛出异常
throw new WorkflowException("未知的撤销场景，请报告给技术支持人员！");
}
private static WfRuntimeManager CreateRuntimeInstanceSendbackByCase(ActivityInstanceEntity runningNode,
IProcessModel processModel,
ProcessInstanceEntity processInstance,
IList <ActivityEntity> sendbackPreviousActivityList,
Boolean hasGatewayPassed,
SendbackOperationTypeEnum sendbackOperation,
WfAppRunner runner,
ref WfExecutedResult result)
{
WfRuntimeManager rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
var aim = new ActivityInstanceManager();
//以下处理，需要知道上一步是独立节点的信息
var tim = new TransitionInstanceManager();
TransitionInstanceEntity 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
var previousActivityGUID = sendbackPreviousActivityList[0].ActivityGUID;
var previousActivityInstance = aim.GetActivityInstanceLatest(runner.AppInstanceID, runner.ProcessGUID, previousActivityGUID);
//普通模式的退回
if (sendbackOperation == SendbackOperationTypeEnum.Normal)
{
//简单串行模式下的退回
rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
rmins.ProcessModel = processModel;
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(previousActivityInstance.ActivityGUID);
rmins.BackwardContext.BackwardToTaskActivityInstance = previousActivityInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayPassed == 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);
//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(previousActivityInstance.ActivityGUID,
previousActivityInstance.EndedByUserID,
previousActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
//如果有其它模式，没有处理到，则直接抛出异常
throw new WorkflowException("未知的退回场景，请报告给技术支持人员！");
}
/// <summary>
/// 创建撤销处理运行时
/// </summary>
/// <param name="runner">撤销人</param>
/// <param name="result">创建结果</param>
/// <returns>运行时管理器</returns>
internal static WfRuntimeManager CreateRuntimeInstanceWithdraw(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (runner.TaskID == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Withdraw_ErrorArguments;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceWithdraw.missingtaskid.error");
return(rmins);
}
//获取已经完成任务的信息
var tm = new TaskManager();
var taskDone = tm.GetTaskView(runner.TaskID.Value);
if (tm.IsMine(taskDone, runner.UserID) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotMineTask;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceWithdraw.nonetask.error");
return(rmins);
}
//赋值下一步办理列表
runner.NextActivityPerformers = NextStepUtility.CreateNextStepPerformerList(taskDone.ActivityGUID,
taskDone.AssignedToUserID, taskDone.AssignedToUserName);
//没有指定退回节点信息
if (runner.NextActivityPerformers == null || runner.NextActivityPerformers.Count == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_IsNull;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceWithdraw.noneperformer.error");
return(rmins);
}
//获取待办任务
var tim = new TransitionInstanceManager();
var nextStepList = tim.GetTargetActivityInstanceList(taskDone.ActivityInstanceID).ToList();
ActivityInstanceEntity runningNode = nextStepList.Count > 0 ? nextStepList[0] : null;
if (runningNode == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Sendback_NotInRunning;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceWithdraw.nonerun.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.CreateRuntimeInstanceWithdraw.nottask.error");
return(rmins);
}
//获取待办任务(模拟待办任务用户做退回处理)
var taskToDo = tm.GetTaskViewByActivity(runningNode.ProcessInstanceID, runningNode.ID);
runner.UserID = taskToDo.AssignedToUserID;
runner.UserName = taskToDo.AssignedToUserName;
//获取上一步节点信息
var hasGatewayPassed = false;
var processInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
var previousStepChecker = new PreviousStepChecker();
var processModel = ProcessModelFactory.Create(taskToDo.ProcessGUID, taskToDo.Version);
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.CreateRuntimeInstanceWithdraw.empty.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.CreateRuntimeInstanceWithdraw.notunique.error");
return(rmins);
}
}
//创建运行时
rmins.TaskView = taskToDo;
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.Withdrawed;
sendbackOperation.ProcessInstance = processInstance;
sendbackOperation.BackwardFromActivityInstance = runningNode;
sendbackOperation.HasGatewayPassed = hasGatewayPassed;
sendbackOperation.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
sendbackOperation.ProcessModel = processModel;
sendbackOperation.IsCancellingBrothersNode = true; //撤销时默认撤销各个并行分支
rmins.SendBackOperation = sendbackOperation;
return(rmins);
}
/// <summary>
/// 撤销操作
/// </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 CreateRuntimeInstanceWithdraw(WfAppRunner runner,
ref WfExecutedResult result)
{
//获取当前运行节点信息
var rmins = new WfRuntimeManagerWithdraw();
rmins.WfExecutedResult = result = new WfExecutedResult();
var aim = new ActivityInstanceManager();
var runningNode = aim.GetRunningNodeOfMine(runner);
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，节点状态：{0}",
runningNode.ActivityState);
}
//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);
}
//准备撤销节点的相关信息
var processModel = (new ProcessModel(runner.ProcessGUID));
rmins.ProcessModel = processModel;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(runningNode.ProcessInstanceID);
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>
/// 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="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)
{
//检查当前运行节点信息
var rmins = new WfRuntimeManagerSendBack();
rmins.WfExecutedResult = result = new WfExecutedResult();
var aim = new ActivityInstanceManager();
var runningNode = aim.GetRunningNodeOfMine(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 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);
}
var processModel = (new ProcessModel(runner.ProcessGUID));
rmins.ProcessModel = processModel;
rmins.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(lastTaskTransitionInstance.ProcessInstanceID);
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>
/// 获取当前节点的下一步已经发出的活动实例列表(transition实例表)
/// </summary>
/// <param name="fromActivityInstanceID">活动实例ID</param>
/// <returns></returns>
public IList <ActivityInstanceEntity> GetNextActivityInstanceList(int fromActivityInstanceID)
{
var tim = new TransitionInstanceManager();
return(tim.GetNextActivityInstanceList(fromActivityInstanceID));
}
/// <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);
}
