/// <summary>
/// 启动流程
/// </summary>
/// <param name="user"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="nextActivityGUID"></param>
/// <returns></returns>
public WfRuntimeManager GetRuntimeInstanceStartup(WfAppRunner runner)
{
//检查流程是否可以被启动
var pim = new ProcessInstanceManager();
var processInstance = pim.GetRunningProcess(runner.AppName, runner.AppInstanceID, runner.ProcessGUID);
if (processInstance != null)
{
throw new WfRuntimeException("当前应用已经有流程实例在运行中，除非终止或取消流程，否则流程不能被再次启动。");
}
this.AppRunner = runner;
//获取流程第一个可办理节点
this.ProcessModel = new ProcessModel(runner.ProcessGUID);
var firstActivity = this.ProcessModel.GetFirstActivity();
this.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
runner.UserID,
runner.UserName);
this.ActivityResource = new ActivityResource(runner.UserID, runner.UserName, this.AppRunner.NextActivityPerformers);
return(this);
}
/// <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>
/// 启动流程
/// </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 CreateRuntimeInstanceStartup(WfAppRunner runner,
ref WfExecutedResult result)
{
//检查流程是否可以被启动
var rmins = new WfRuntimeManagerStartup();
rmins.WfExecutedResult = result = new WfExecutedResult();
//正常流程启动
var pim = new ProcessInstanceManager();
ProcessInstanceEntity processInstance = pim.GetProcessInstanceCurrent(runner.AppInstanceID,
runner.ProcessGUID);
//不能同时启动多个主流程
if (processInstance != null &&
processInstance.ParentProcessInstanceID == null &&
processInstance.ProcessState == (short)ProcessStateEnum.Running)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Started_IsRunningAlready;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceStartup.error");
return(rmins);
}
rmins.AppRunner = runner;
//获取流程第一个可办理节点
rmins.ProcessModel = ProcessModelFactory.Create(runner.ProcessGUID, runner.Version);
var startActivity = rmins.ProcessModel.GetStartActivity();
var firstActivity = rmins.ProcessModel.GetFirstActivity();
//var firstActivityList = rmins.ProcessModel.GetFirstActivityList(startActivity, runner.Conditions);
if (startActivity.ActivityTypeDetail.TriggerType == TriggerTypeEnum.None)
{
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
runner.UserID,
runner.UserName);
}
else if (startActivity.ActivityTypeDetail.TriggerType == TriggerTypeEnum.Timer ||
startActivity.ActivityTypeDetail.TriggerType == TriggerTypeEnum.Message)
{
if (!string.IsNullOrEmpty(runner.UserID))
{
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
runner.UserID,
runner.UserName);
}
else
{
rmins.AppRunner.NextActivityPerformers = rmins.ProcessModel.GetActivityPerformers(firstActivity.ActivityGUID);
}
}
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
public static WfRuntimeManager CreateRuntimeInstanceStartup(WfAppRunner runner,
ProcessInstanceEntity parentProcessInstance,
SubProcessNode subProcessNode,
ref WfExecutedResult result)
{
//检查流程是否可以被启动
var rmins = new WfRuntimeManagerStartup();
rmins.WfExecutedResult = result = new WfExecutedResult();
var pim = new ProcessInstanceManager();
ProcessInstanceEntity processInstance = null;
if (subProcessNode == null)
{
//正常流程启动
processInstance = pim.GetProcessInstanceLatest(runner.AppName,
runner.AppInstanceID,
runner.ProcessGUID);
}
else
{
//子流程启动
processInstance = pim.GetProcessInstanceLatest(runner.AppName,
runner.AppInstanceID,
subProcessNode.SubProcessGUID);
}
//不能同时启动多个主流程
if (processInstance != null &&
processInstance.ParentProcessInstanceID == null &&
processInstance.ProcessState == (short)ProcessStateEnum.Running)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Started_IsRunningAlready;
result.Message = "流程已经处于运行状态，如果要重新启动，请先终止当前流程实例！";
return(rmins);
}
//processInstance 为空，此时继续执行启动操作
rmins.AppRunner = runner;
rmins.ParentProcessInstance = parentProcessInstance;
rmins.InvokedSubProcessNode = subProcessNode;
//获取流程第一个可办理节点
rmins.ProcessModel = ProcessModelFactory.Create(runner.ProcessGUID);
var firstActivity = rmins.ProcessModel.GetFirstActivity();
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
runner.UserID,
runner.UserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
/// <summary>
/// 流程返签，先检查约束条件，然后调用wfruntimeinstance执行
/// </summary>
/// <param name="appName"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="userID"></param>
/// <param name="userName"></param>
/// <returns></returns>
public WfRuntimeManager GetRuntimeInstanceReverse(string appName,
int appInstanceID,
Guid processGUID,
int userID,
string userName)
{
var pim = new ProcessInstanceManager();
var processInstance = pim.GetCompletedProcess(appName, appInstanceID, processGUID);
if (processInstance == null)
{
throw new WfRuntimeException(string.Format("当前应用:{0}，实例ID：{0}, 没有办结的流程实例，无法让流程重新运行！",
appName, appInstanceID));
}
var processModel = new ProcessModel(processGUID);
var endTransitionInstance = (new TransitionInstanceManager()).GetEndTransition(appName, appInstanceID, processGUID);
var lastTaskActivity = processModel.GetActivity(endTransitionInstance.FromActivityGUID);
var lastTaskActivityInstace = (new ActivityInstanceManager()).GetById(endTransitionInstance.FromActivityInstanceGUID);
var lastToEndTransition = processModel.GetForwardTransition(lastTaskActivity.ActivityGUID);
if (!lastTaskActivityInstace.EndedByUserID.HasValue)
{
throw new WfRuntimeException("流程最后一步的办理人员为空，不正常的流程数据，无法使结束的流程回退！");
}
var endActivity = processModel.GetActivity(endTransitionInstance.ToActivityGUID);
var endActivityInstance = (new ActivityInstanceManager()).GetById(endTransitionInstance.ToActivityInstanceGUID);
this.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(endTransitionInstance.FromActivityGUID,
lastTaskActivityInstace.EndedByUserID.Value,
lastTaskActivityInstace.EndedByUserName);
this.ActivityResource = new ActivityResource(userID, userName, this.AppRunner.NextActivityPerformers);
this.AppRunner.AppName = appName;
this.AppRunner.AppInstanceID = appInstanceID;
this.AppRunner.ProcessGUID = processGUID;
this.AppRunner.UserID = userID;
this.AppRunner.UserName = userName;
this.BackwardContext.ProcessInstance = processInstance;
this.BackwardContext.BackwardToTaskActivity = lastTaskActivity;
this.BackwardContext.BackwardToTaskActivityInstance = lastTaskActivityInstace;
this.BackwardContext.BackwardToTargetTransition = lastToEndTransition;
this.BackwardContext.FromActivity = endActivity;
this.BackwardContext.FromActivityInstance = endActivityInstance;
return(this);
}
/// <summary>
/// 启动流程
/// </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 CreateRuntimeInstanceStartup(WfAppRunner runner,
ref WfExecutedResult result)
{
//检查流程是否可以被启动
var rmins = new WfRuntimeManagerStartup();
rmins.WfExecutedResult = result = new WfExecutedResult();
//正常流程启动
var pim = new ProcessInstanceManager();
ProcessInstanceEntity processInstance = pim.GetProcessInstanceCurrent(runner.AppInstanceID,
runner.ProcessGUID);
//不能同时启动多个主流程
if (processInstance != null &&
processInstance.ParentProcessInstanceID == null &&
processInstance.ProcessState == (short)ProcessStateEnum.Running)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Started_IsRunningAlready;
result.Message = "流程已经处于运行状态，如果要重新启动，请先终止当前流程实例！";
return(rmins);
}
rmins.AppRunner = runner;
//获取流程第一个可办理节点
rmins.ProcessModel = ProcessModelFactory.Create(runner.ProcessGUID, runner.Version);
var startActivity = rmins.ProcessModel.GetStartActivity();
var firstActivity = rmins.ProcessModel.GetFirstActivity();
if (startActivity.ActivityTypeDetail.TriggerType == TriggerTypeEnum.None)
{
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
runner.UserID,
runner.UserName);
}
else if (startActivity.ActivityTypeDetail.TriggerType == TriggerTypeEnum.Timer)
{
var roleList = rmins.ProcessModel.GetActivityRoles(firstActivity.ActivityGUID);
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID, roleList);
}
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
/// <summary>
/// 子流程启动
/// </summary>
/// <param name="runner">运行者</param>
/// <param name="parentProcessInstance">父流程</param>
/// <param name="subProcessNode">子流程节点</param>
/// <param name="performerList">执行者列表</param>
/// <param name="session">数据库会话</param>
/// <param name="result">运行结果</param>
/// <returns>运行时管理器</returns>
public static WfRuntimeManager CreateRuntimeInstanceStartupSub(WfAppRunner runner,
ProcessInstanceEntity parentProcessInstance,
SubProcessNode subProcessNode,
PerformerList performerList,
IDbSession session,
ref WfExecutedResult result)
{
//检查流程是否可以被启动
var rmins = new WfRuntimeManagerStartupSub();
rmins.WfExecutedResult = result = new WfExecutedResult();
var pim = new ProcessInstanceManager();
ProcessInstanceEntity processInstance = pim.GetProcessInstanceCurrent(session.Connection,
runner.AppInstanceID,
subProcessNode.SubProcessGUID,
session.Transaction);
//不能同时启动多个主流程
if (processInstance != null &&
processInstance.ParentProcessInstanceID == null &&
processInstance.ProcessState == (short)ProcessStateEnum.Running)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Started_IsRunningAlready;
result.Message = LocalizeHelper.GetEngineMessage("wfruntimemanagerfactory.CreateRuntimeInstanceStartup.error");
return(rmins);
}
//processInstance 为空，此时继续执行启动操作
rmins.AppRunner = runner;
rmins.ParentProcessInstance = parentProcessInstance;
rmins.InvokedSubProcessNode = subProcessNode;
//获取流程第一个可办理节点
rmins.ProcessModel = ProcessModelFactory.Create(runner.ProcessGUID, runner.Version);
var startActivity = rmins.ProcessModel.GetStartActivity();
var firstActivity = rmins.ProcessModel.GetFirstActivity();
//子流程自动获取第一个办理节点上的人员列表
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(firstActivity.ActivityGUID,
performerList);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
return(rmins);
}
/// <summary>
/// 生成活动用户分配信息
/// </summary>
/// <param name="toActivityInstance">下一步活动实例</param>
/// <param name="activityResource">活动资源</param>
/// <returns>下一步活动实例</returns>
protected ActivityInstanceEntity GenerateActivityAssignedUserInfo(ActivityInstanceEntity toActivityInstance,
ActivityResource activityResource)
{
if (activityResource.AppRunner.NextPerformerType == NextPerformerIntTypeEnum.Specific &&
activityResource.NextActivityPerformers != null)
{
//前端显式指定下一步骤的执行用户列表
toActivityInstance.AssignedToUserIDs = PerformerBuilder.GenerateActivityAssignedUserIDs(
activityResource.NextActivityPerformers[toActivityInstance.ActivityGUID]);
toActivityInstance.AssignedToUserNames = PerformerBuilder.GenerateActivityAssignedUserNames(
activityResource.NextActivityPerformers[toActivityInstance.ActivityGUID]);
}
else if (activityResource.AppRunner.NextPerformerType == NextPerformerIntTypeEnum.Definition)
{
//根据节点上的角色定义获取下一步骤的执行用户列表
var performers = ActivityForwardContext.ProcessModel.GetActivityPerformers(toActivityInstance.ActivityGUID);
activityResource.NextActivityPerformers = performers;
toActivityInstance.AssignedToUserIDs = PerformerBuilder.GenerateActivityAssignedUserIDs(
performers[toActivityInstance.ActivityGUID]);
toActivityInstance.AssignedToUserNames = PerformerBuilder.GenerateActivityAssignedUserNames(
performers[toActivityInstance.ActivityGUID]);
}
else if (activityResource.AppRunner.NextPerformerType == NextPerformerIntTypeEnum.Single)
{
//用于测试使用的单一用户列表
activityResource.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(toActivityInstance.ActivityGUID,
activityResource.AppRunner.UserID,
activityResource.AppRunner.UserName);
toActivityInstance.AssignedToUserIDs = activityResource.AppRunner.UserID;
toActivityInstance.AssignedToUserNames = activityResource.AppRunner.UserName;
}
else
{
throw new ApplicationException(LocalizeHelper.GetEngineMessage("nodemediator.generateactivityassigneduserinfo.warn"));
}
return(toActivityInstance);
}
/// <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>
/// 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>
/// 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);
}
public WfRuntimeManager GetRuntimeInstanceWithdraw(string appName,
int appInstanceID,
Guid processGUID,
int userID,
string userName)
{
//是否可撤销的条件检查
var lastTaskTransitionInstance = (new TransitionInstanceManager()).GetLastTaskTransition(appName, appInstanceID, processGUID);
if (lastTaskTransitionInstance.FromActivityType != (short)NodeTypeEnum.TaskNode)
{
throw new WfRuntimeException("当前撤销位置节点不是任务节点，无法撤销回到上一步！");
}
else if (lastTaskTransitionInstance.TransitionType == (short)TransitionTypeEnum.Loop)
{
throw new WfRuntimeException("当前流转是自循环，无需撤销！");
}
var aim = new ActivityInstanceManager();
var withdrawActivityInstance = aim.GetById(lastTaskTransitionInstance.FromActivityInstanceGUID);
if (withdrawActivityInstance.EndedByUserID.Value != userID)
{
throw new WfRuntimeException(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));
}
else if (withdrawActivityInstance.State != (short)NodeStateEnum.Completed)
{
throw new WfRuntimeException(string.Format("上一步节点的任务办理状态不是完成状态，无法撤销回来！上一步节点最终状态：{0}",
withdrawActivityInstance.State));
}
var acceptedActivityInstance = aim.GetById(lastTaskTransitionInstance.ToActivityInstanceGUID);
if (acceptedActivityInstance.State != (short)NodeStateEnum.Ready)
{
throw new WfRuntimeException(string.Format("接收节点的状态不在准备状态，无法撤销到上一步，接收节点状态：{0}",
acceptedActivityInstance.State));
}
//准备撤销节点的相关信息
var processModel = (new ProcessModel(processGUID));
this.ProcessModel = processModel;
this.AppRunner.ProcessGUID = processGUID;
this.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(lastTaskTransitionInstance.ProcessInstanceGUID);
this.BackwardContext.BackwardToTargetTransition = processModel.GetTransition(lastTaskTransitionInstance.TransitionGUID);
this.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(lastTaskTransitionInstance.FromActivityGUID);
this.BackwardContext.BackwardToTaskActivityInstance = withdrawActivityInstance;
this.BackwardContext.FromActivity = processModel.GetActivity(acceptedActivityInstance.ActivityGUID);
this.BackwardContext.FromActivityInstance = acceptedActivityInstance; //准备状态的接收节点
//封装AppUser对象
this.AppRunner.AppName = appName;
this.AppRunner.AppInstanceID = appInstanceID;
this.AppRunner.UserID = userID;
this.AppRunner.UserName = userName;
this.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(lastTaskTransitionInstance.FromActivityGUID,
userID,
userName);
this.ActivityResource = new ActivityResource(userID, userName, this.AppRunner.NextActivityPerformers);
return(this);
}
/// <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);
}
public WfRuntimeManager GetRuntimeInstanceReject(string appName,
int appInstanceID,
Guid processGUID,
int userID,
string userName)
{
//是否可退回的条件检查
var lastTaskTransitionInstance = (new TransitionInstanceManager()).GetLastTaskTransition(appName, appInstanceID, processGUID);
if (lastTaskTransitionInstance.ToActivityType != (short)NodeTypeEnum.TaskNode)
{
throw new WfRuntimeException("最后流转记录的接收节点不是任务节点，无法退回上一步节点！");
}
else if (lastTaskTransitionInstance.TransitionType == (short)TransitionTypeEnum.Loop)
{
throw new WfRuntimeException("当前流转是自循环，无需退回！");
}
//读取当前办理节点及要进行退回操作的节点
var currentRunningActivityInstance = (new ActivityInstanceManager()).GetById(lastTaskTransitionInstance.ToActivityInstanceGUID);
if (!(currentRunningActivityInstance.State == (short)NodeStateEnum.Ready ||
currentRunningActivityInstance.State == (short)NodeStateEnum.Running))
{
throw new WfRuntimeException(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}",
currentRunningActivityInstance.State));
}
//从任务表里查看退回操作人，是否是AssignedToUser列表中的一项，如果有，则表示有权退回。
var mineNodes = (new TaskManager()).GetTaskOfMine(appInstanceID, processGUID, userID).ToList();
if (mineNodes == null || mineNodes.Count != 1)
{
throw new WfRuntimeException("任务记录不存在，请查看是否是您有权办理此项任务，无法退回上一步节点！");
}
//设置退回节点的相关信息
var rejectToActivityInstance = (new ActivityInstanceManager()).GetById(lastTaskTransitionInstance.FromActivityInstanceGUID);
var processModel = (new ProcessModel(processGUID));
this.ProcessModel = processModel;
this.BackwardContext.ProcessInstance = (new ProcessInstanceManager()).GetById(lastTaskTransitionInstance.ProcessInstanceGUID);
this.BackwardContext.BackwardToTaskActivity = processModel.GetActivity(rejectToActivityInstance.ActivityGUID);
this.BackwardContext.BackwardToTaskActivityInstance = rejectToActivityInstance;
this.BackwardContext.BackwardToTargetTransition = processModel.GetTransition(lastTaskTransitionInstance.TransitionGUID);
this.BackwardContext.FromActivity = processModel.GetActivity(currentRunningActivityInstance.ActivityGUID);
this.BackwardContext.FromActivityInstance = currentRunningActivityInstance;
//封装AppUser对象
this.AppRunner.AppName = appName;
this.AppRunner.AppInstanceID = appInstanceID;
this.AppRunner.ProcessGUID = processGUID;
this.AppRunner.UserID = userID;
this.AppRunner.UserName = userName;
this.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(lastTaskTransitionInstance.FromActivityGUID,
rejectToActivityInstance.EndedByUserID.Value,
rejectToActivityInstance.EndedByUserName);
this.ActivityResource = new ActivityResource(userID, userName, this.AppRunner.NextActivityPerformers);
return(this);
}