/// <summary>
/// 获取预选步骤人员列表
/// </summary>
/// <param name="runner">当前运行用户</param>
/// <returns>步骤预选人员列表</returns>
private IDictionary <string, PerformerList> GetNextActivityPerformersPriliminary(WfAppRunner runner)
{
IDictionary <string, PerformerList> nextSteps = null;
var tm = new TaskManager();
TaskViewEntity taskView = tm.GetTaskOfMine(runner);
//读取活动实例中记录的步骤预选数据
var aim = new ActivityInstanceManager();
if (taskView.MIHostActivityInstanceID != null)
{
var mainActivityInstanceID = taskView.MIHostActivityInstanceID.Value;
var mainActivityInstance = aim.GetById(mainActivityInstanceID);
if (mainActivityInstance != null)
{
nextSteps = NextStepUtility.DeserializeNextStepPerformers(mainActivityInstance.NextStepPerformers);
}
}
IProcessModel processModel = ProcessModelFactory.Create(runner.ProcessGUID, runner.Version);
var nextActivity = processModel.GetNextActivity(taskView.ActivityGUID);
if (nextActivity != null)
{
if (nextActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
//获取网关节点信息
var gatewayActivityInstance = aim.GetActivityInstanceLatest(taskView.ProcessInstanceID, nextActivity.ActivityGUID);
if (gatewayActivityInstance != null &&
!string.IsNullOrEmpty(gatewayActivityInstance.NextStepPerformers))
{
nextSteps = NextStepUtility.DeserializeNextStepPerformers(gatewayActivityInstance.NextStepPerformers);
}
}
else if (XPDLHelper.IsInterTimerEventComponentNode(nextActivity) == true)
{
//中间Timer事件节点
var timerActivityInstance = aim.GetActivityInstanceLatest(taskView.ProcessInstanceID, nextActivity.ActivityGUID);
if (timerActivityInstance != null &&
!string.IsNullOrEmpty(timerActivityInstance.NextStepPerformers))
{
nextSteps = NextStepUtility.DeserializeNextStepPerformers(timerActivityInstance.NextStepPerformers);
}
}
}
return(nextSteps);
}
/// <summary>
/// 获取预选步骤人员列表
/// </summary>
/// <param name="nextActivityTree">下一步活动节点树</param>
/// <param name="runner">当前运行用户</param>
/// <returns>步骤预选人员列表</returns>
private IDictionary <string, PerformerList> GetNextActivityPerformers(IList <NodeView> nextActivityTree,
WfAppRunner runner)
{
IDictionary <string, PerformerList> nextSteps = null;
var tm = new TaskManager();
TaskViewEntity taskView = tm.GetTaskOfMine(runner);
//读取活动实例中记录的步骤预选数据
var aim = new ActivityInstanceManager();
if (taskView.MIHostActivityInstanceID != null)
{
var mainActivityInstanceID = taskView.MIHostActivityInstanceID.Value;
var mainActivityInstance = aim.GetById(mainActivityInstanceID);
if (mainActivityInstance != null)
{
nextSteps = NextStepUtility.DeserializeNextStepPerformers(mainActivityInstance.NextStepPerformers);
}
}
//获取网关节点信息
IProcessModel processModel = ProcessModelFactory.Create(runner.ProcessGUID, runner.Version);
var nextActivity = processModel.GetNextActivity(taskView.ActivityGUID);
if (nextActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
var gatewayActivityInstance = aim.GetActivityInstanceLatest(taskView.ProcessInstanceID, nextActivity.ActivityGUID);
if (gatewayActivityInstance != null &&
!string.IsNullOrEmpty(gatewayActivityInstance.NextStepPerformers))
{
nextSteps = NextStepUtility.DeserializeNextStepPerformers(gatewayActivityInstance.NextStepPerformers);
}
}
return(nextSteps);
}
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);
}