/// <summary>
/// EOrJoin合并时的节点完成方法
/// 根据前置转移上定义的是否强制分支来判断完成合并节点
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
private NodeAutoExecutedResult CompleteAutomaticallyByForcedBranchesCount(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Unknown);
IList <TransitionEntity> forcedTransitionList = null;
var tokensCountRequired = base.ProcessModel.GetForcedBranchesCountBeforeEOrJoin(GatewayActivity, out forcedTransitionList);
if (tokensCountRequired == 0)
{
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Failed);
throw new WfXpdlException("前置转移并没有定义任何的强制分支属性，强制分支数目为零，请重新查看流程图！");
}
//根据强制分支的数目和具体分支来完成增强合并节点
var forcedCount = forcedTransitionList.Where(t => t.TransitionGUID == transitionGUID).Count();
if (forcedCount == 0)
{
//当前执行的分支不是强制分支，直接返回就可以
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.NotForcedBrancheWhenEOrJoin);
}
else if (forcedCount == 1)
{
result = CompleteAutomaticallyInternal(processInstance, transitionGUID, fromActivity, fromActivityInstance, tokensCountRequired, runner, session);
}
return(result);
}
/// <summary>
/// 自动完成
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
/// <returns>网关执行结果</returns>
public NodeAutoExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
//插入实例数据
var gatewayActivityInstance = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, runner);
gatewayActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.AndSplit;
base.InsertActivityInstance(gatewayActivityInstance,
session);
base.CompleteActivityInstance(gatewayActivityInstance.ID,
runner,
session);
gatewayActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
base.GatewayActivityInstance = gatewayActivityInstance;
//写节点转移实例数据
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
gatewayActivityInstance,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Successed);
return result;
}
internal static NodeAutoExecutedResult CreateGatewayExecutedResult(NodeAutoExecutedStatus status)
{
NodeAutoExecutedResult result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.Unknown, "Gateway节点的执行状态未知！");
switch (status)
{
case NodeAutoExecutedStatus.Successed:
result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.Successed, "Gateway节点成功执行！");
break;
case NodeAutoExecutedStatus.FallBehindOfXOrJoin:
result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.FallBehindOfXOrJoin, "第一个满足条件的节点已经执行，互斥合并节点不能再次被实例化！");
break;
default:
break;
}
return(result);
}
/// <summary>
/// EOrJoin合并时的节点完成方法
/// 前端动态传递要合并的Tokens的数目
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
private NodeAutoExecutedResult CompleteAutomaticallyByTokensCount(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Unknown);
if (runner.ControlParameterSheet == null || runner.ControlParameterSheet.EOrJoinTokenPassCount <= 0)
{
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Failed);
throw new WfXpdlException("流程定义错误：强制或合并节点的合并通过数目[EOrJoinTokenPassCount]定义错误或缺失，请查看流程图定义！");
}
var tokensCountRequired = runner.ControlParameterSheet.EOrJoinTokenPassCount;
result = CompleteAutomaticallyInternal(processInstance, transitionGUID, fromActivity, fromActivityInstance, tokensCountRequired, runner, session);
return(result);
}
internal static NodeAutoExecutedResult CreateGatewayExecutedResult(NodeAutoExecutedStatus status)
{
NodeAutoExecutedResult result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.Unknown, "Unknown Gateway executing status!");
switch (status)
{
case NodeAutoExecutedStatus.Successed:
result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.Successed, "Gateway executed successfully!");
break;
case NodeAutoExecutedStatus.FallBehindOfXOrJoin:
result = new NodeAutoExecutedResult(NodeAutoExecutedStatus.FallBehindOfXOrJoin, "The first matched node has been executed(XOrJoin)!");
break;
default:
break;
}
return(result);
}
/// <summary>
/// 置开始节点为结束状态
/// </summary>
/// <param name="processInstance"></param>
/// <param name="activityResource"></param>
/// <param name="session"></param>
/// <returns></returns>
private NodeAutoExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
ActivityResource activityResource,
IDbSession session)
{
//开始节点没前驱信息
var fromActivityInstance = base.CreateActivityInstanceObject(base.Linker.FromActivity, processInstance, activityResource.AppRunner);
base.ActivityInstanceManager.Insert(fromActivityInstance, session);
base.ActivityInstanceManager.Complete(fromActivityInstance.ID,
activityResource.AppRunner,
session);
fromActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
base.Linker.FromActivityInstance = fromActivityInstance;
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Successed);
return(result);
}
/// <summary>
/// EOrJoin合并时的节点完成方法
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
public NodeAutoExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Unknown);
//根据强制或合并类型来处理
if (GatewayActivity.GatewayJoinPassType == GatewayJoinPassEnum.TokenCountPass)
{
result = CompleteAutomaticallyByTokensCount(processInstance, transitionGUID, fromActivity, fromActivityInstance, runner, session);
}
else if (GatewayActivity.GatewayJoinPassType == GatewayJoinPassEnum.ForcedBranchPass)
{
result = CompleteAutomaticallyByForcedBranchesCount(processInstance, transitionGUID, fromActivity, fromActivityInstance, runner, session);
}
return(result);
}
/// <summary>
/// 自动完成
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
/// <returns>网关执行结果</returns>
public NodeAutoExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Unknown);
//XOrJoin合并，直接置为完成状态，因为始终只有一个分支可以得到执行，其它分支被排斥
var gatewayActivityInstance = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, runner);
gatewayActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.XOrJoin;
base.InsertActivityInstance(gatewayActivityInstance,
session);
base.CompleteActivityInstance(gatewayActivityInstance.ID,
runner,
session);
gatewayActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
base.GatewayActivityInstance = gatewayActivityInstance;
//写节点转移实例数据
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
gatewayActivityInstance,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Successed);
return(result);
}
/// <summary>
/// 自动完成
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
/// <returns>网关执行结果</returns>
public NodeAutoExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
WfAppRunner runner,
IDbSession session)
{
//检查是否有运行中的合并节点实例
ActivityInstanceEntity joinNode = base.ActivityInstanceManager.GetActivityRunning(
processInstance.ID,
base.GatewayActivity.ActivityGUID,
session);
int tokensRequired = 0;
int tokensHad = 0;
if (joinNode == null)
{
var joinActivityInstance = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, runner);
//计算总需要的Token数目
joinActivityInstance.TokensRequired = GetTokensRequired(processInstance.AppInstanceID, processInstance.ID, base.GatewayActivity);
joinActivityInstance.TokensHad = 1;
tokensRequired = joinActivityInstance.TokensRequired;
//进入运行状态
joinActivityInstance.ActivityState = (short)ActivityStateEnum.Running;
joinActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.AndJoinMI;
//写入默认第一次的预选步骤用户列表
joinActivityInstance.NextStepPerformers = NextStepUtility.SerializeNextStepPerformers(runner.NextActivityPerformers);
base.InsertActivityInstance(joinActivityInstance,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinActivityInstance,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
}
else
{
//更新节点的活动实例属性
base.GatewayActivityInstance = joinNode;
tokensRequired = base.GatewayActivityInstance.TokensRequired;
tokensHad = base.GatewayActivityInstance.TokensHad;
//更新Token数目
base.ActivityInstanceManager.IncreaseTokensHad(base.GatewayActivityInstance.ID,
runner,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinNode,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
}
if ((tokensHad + 1) == tokensRequired)
{
//如果达到完成节点的Token数，则设置该节点状态为完成
base.CompleteActivityInstance(base.GatewayActivityInstance.ID,
runner,
session);
base.GatewayActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
}
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(
NodeAutoExecutedStatus.Successed);
return(result);
}
/// <summary>
/// 递归执行节点
/// 1)创建普通节点的任务
/// 2)创建会签节点的任务
/// </summary>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="isNotParsedForward">是否跳跃</param>
/// <param name="root">根节点</param>
/// <param name="conditionKeyValuePair">条件key-value</param>
/// <param name="mediatorResult">执行结果的返回列表</param>
protected void ContinueForwardCurrentNodeRecurisivly(ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
NextActivityComponent root,
IDictionary <string, string> conditionKeyValuePair,
Boolean isNotParsedForward,
ref List <WfNodeMediatedResult> mediatorResult)
{
foreach (NextActivityComponent comp in root)
{
if (comp.HasChildren)
{
NodeAutoExecutedResult nodeExecutedResult = null;
if (XPDLHelper.IsGatewayComponentNode(comp.Activity.ActivityType) == true)
{
//此节点类型为任务节点：根据fromActivityInstance的类型判断是否可以创建任务
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//此节点类型为分支或合并节点类型：首先需要实例化当前节点(自动完成)
NodeMediatorGateway gatewayNodeMediator = NodeMediatorFactory.CreateNodeMediatorGateway(comp.Activity,
this.ActivityForwardContext.ProcessModel,
Session);
ICompleteGatewayAutomaticlly autoGateway = (ICompleteGatewayAutomaticlly)gatewayNodeMediator;
nodeExecutedResult = autoGateway.CompleteAutomaticlly(ActivityForwardContext.ProcessInstance,
comp.Transition.TransitionGUID,
fromActivity,
fromActivityInstance,
ActivityForwardContext.ActivityResource.AppRunner,
Session);
if (nodeExecutedResult.Status == NodeAutoExecutedStatus.Successed)
{
//遍历后续子节点
ContinueForwardCurrentNodeRecurisivly(gatewayNodeMediator.GatewayActivity,
gatewayNodeMediator.GatewayActivityInstance,
comp,
conditionKeyValuePair,
isNotParsedForward,
ref mediatorResult);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OrJoinOneBranchHasBeenFinishedWaittingOthers));
LogManager.RecordLog("ContinueForwardCurrentNodeRecurisivlyExeception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(
LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.warn"))
);
}
}
else
{
//下一步的任务节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("NodeMediator.ContinueForwardCurrentNodeRecurisivly.IsWaintingOneOfJoin.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.waitingothers.warn"))
);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("NodeMediator.ContinueForwardCurrentNodeRecurisivly.IsWaintingOneOfJoin.OtherUnknownReason.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.otherreason.warn"))
);
}
}
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.UnknownNodeTypeToWatch));
LogManager.RecordLog("NodeMediator.UnknownType.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.unknowntype.warn",
comp.Activity.ActivityType.ToString()))
);
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.TaskNode) //普通任务节点
{
//此节点类型为任务节点：根据fromActivityInstance的类型判断是否可以创建任务
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//创建新任务节点
NodeMediator taskNodeMediator = new NodeMediatorTask(Session);
taskNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity,
ActivityForwardContext.ProcessInstance,
fromActivityInstance,
comp.Transition.TransitionGUID,
comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ?
TransitionTypeEnum.Loop : TransitionTypeEnum.Forward, //根据Direction方向确定是否是自身循环
isNotParsedForward == true ?
TransitionFlyingTypeEnum.ForwardFlying : TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
}
else
{
//下一步的任务节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("NodeMediator.TaskNode.NeedOtherGatewayBranchesToJoin.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.waitingothers.warn"))
);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("NodeMediator.TaskNode.NeedOtherGatewayBranchesToJoin.OtherUnkownReaseon.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.otherreason.warn"))
);
}
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.SubProcessNode) //子流程节点
{
//节点类型为subprocessnode
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//实例化subprocess节点数据
NodeMediator subNodeMediator = new NodeMediatorSubProcess(Session);
subNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity,
ActivityForwardContext.ProcessInstance,
fromActivityInstance,
comp.Transition.TransitionGUID,
comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ?
TransitionTypeEnum.Loop : TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.EndNode) //结束节点
{
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//此节点为完成结束节点，结束流程
var endMediator = NodeMediatorFactory.CreateNodeMediatorEnd(ActivityForwardContext, comp.Activity, Session);
endMediator.Linker.ToActivity = comp.Activity;
//创建结束节点实例及转移数据
endMediator.CreateActivityTaskTransitionInstance(comp.Activity, ActivityForwardContext.ProcessInstance,
fromActivityInstance, comp.Transition.TransitionGUID, TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
//执行结束节点中的业务逻辑
endMediator.ExecuteWorkItem();
}
else
{
//结束节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("NodeMediator.EndNode.NeedOtherGatewayBranchesToJoin.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.waitingothers.warn"))
);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("NodeMediator.EndNode.NeedOtherGatewayBranchesToJoin.OtherUnkownReaseon.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.otherreason.warn"))
);
}
}
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.UnknownNodeTypeToWatch));
LogManager.RecordLog("NodeMediator.UnkonwNodeType.Exception",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(LocalizeHelper.GetEngineMessage("nodemediator.ContinueForwardCurrentNodeRecurisivly.unknowntype.warn",
comp.Activity.ActivityType.ToString()))
);
}
}
}
/// <summary>
/// EOrJoin合并时的节点完成方法
/// 内部执行逻辑
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="tokensCountRequired">合并要求的Token数目</param>
/// <param name="runner">运行者</param>
/// <param name="session">会话</param>
private NodeAutoExecutedResult CompleteAutomaticallyInternal(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
int tokensCountRequired,
WfAppRunner runner,
IDbSession session)
{
NodeAutoExecutedResult result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Unknown);
//当前执行的分支就是强制分支
//检查是否有运行中的合并节点实例
ActivityInstanceEntity joinNode = base.ActivityInstanceManager.GetActivityRunning(
processInstance.ID,
base.GatewayActivity.ActivityGUID,
session);;
if (joinNode == null)
{
//第一个分支首次运行
joinNode = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, runner);
//计算总需要的Token数目
joinNode.TokensRequired = tokensCountRequired;
joinNode.TokensHad = 1;
//进入运行状态
joinNode.ActivityState = (short)ActivityStateEnum.Running;
joinNode.GatewayDirectionTypeID = (short)GatewayDirectionEnum.OrJoin;
//写入默认第一次的预选步骤用户列表
joinNode.NextStepPerformers = NextStepUtility.SerializeNextStepPerformers(runner.NextActivityPerformers);
base.InsertActivityInstance(joinNode,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinNode,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
}
else
{
//更新节点的活动实例属性
joinNode.TokensHad += 1;
base.GatewayActivityInstance = joinNode;
//更新Token数目
base.ActivityInstanceManager.IncreaseTokensHad(base.GatewayActivityInstance.ID,
runner,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinNode,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
runner,
session);
}
//判断是否到达合并节点的通过Token数目要求
if (joinNode.TokensHad == joinNode.TokensRequired)
{
//如果达到完成节点的Token数，则设置该节点状态为完成
base.CompleteActivityInstance(base.GatewayActivityInstance.ID,
runner,
session);
base.GatewayActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
//更新其它分支上的待办节点为阻止状态(CanRenewInstance = 0)
base.ActivityInstanceManager.UpdateActivityInstanceBlockedBetweenSplitJoin(base.GatewayActivity, base.GatewayActivityInstance,
base.ProcessModel, session);
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.Successed);
}
else if (joinNode.TokensHad < joinNode.TokensRequired)
{
result = NodeAutoExecutedResult.CreateGatewayExecutedResult(NodeAutoExecutedStatus.WaitingForOthersJoin);
}
return(result);
}
/// <summary>
/// 递归执行节点
/// 1)创建普通节点的任务
/// 2)创建会签节点的任务
/// </summary>
/// <param name="fromActivity">起始活动</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="isNotParsedForward">是否跳跃</param>
/// <param name="root">根节点</param>
/// <param name="conditionKeyValuePair">条件key-value</param>
/// <param name="mediatorResult">执行结果的返回列表</param>
protected void ContinueForwardCurrentNodeRecurisivly(ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
NextActivityComponent root,
IDictionary <string, string> conditionKeyValuePair,
Boolean isNotParsedForward,
ref List <WfNodeMediatedResult> mediatorResult)
{
foreach (NextActivityComponent comp in root)
{
if (comp.HasChildren)
{
NodeAutoExecutedResult nodeExecutedResult = null;
if (XPDLHelper.IsGatewayComponentNode(comp.Activity.ActivityType) == true)
{
//此节点类型为任务节点：根据fromActivityInstance的类型判断是否可以创建任务
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//此节点类型为分支或合并节点类型：首先需要实例化当前节点(自动完成)
NodeMediatorGateway gatewayNodeMediator = NodeMediatorFactory.CreateNodeMediatorGateway(comp.Activity,
this.ActivityForwardContext.ProcessModel,
Session);
ICompleteAutomaticlly autoGateway = (ICompleteAutomaticlly)gatewayNodeMediator;
nodeExecutedResult = autoGateway.CompleteAutomaticlly(ActivityForwardContext.ProcessInstance,
comp.Transition.TransitionGUID,
fromActivity,
fromActivityInstance,
ActivityForwardContext.ActivityResource.AppRunner,
Session);
if (nodeExecutedResult.Status == NodeAutoExecutedStatus.Successed)
{
//遍历后续子节点
ContinueForwardCurrentNodeRecurisivly(gatewayNodeMediator.GatewayActivity,
gatewayNodeMediator.GatewayActivityInstance,
comp,
conditionKeyValuePair,
isNotParsedForward,
ref mediatorResult);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OrJoinOneBranchHasBeenFinishedWaittingOthers));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(
string.Format("第一个满足条件的节点已经被成功执行，此后的节点被阻止在OrJoin类型的节点! 详细状态类型：{0}", nodeExecutedResult.Status.ToString())
));
}
}
else
{
//下一步的任务节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支!"));
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!"));
}
}
}
else if (XPDLHelper.IsIntermediateEventComponentNode(comp.Activity.ActivityType) == true)
{
//中间事件类型节点，调用外部业务逻辑，然后流程继续向下流转
NodeMediatorEvent eventNodeMediator = NodeMediatorFactory.CreateNodeMediatorEvent(ActivityForwardContext,
comp.Activity,
this.ActivityForwardContext.ProcessModel,
Session);
eventNodeMediator.ExecuteWorkItem();
ICompleteAutomaticlly autoEvent = (ICompleteAutomaticlly)eventNodeMediator;
nodeExecutedResult = autoEvent.CompleteAutomaticlly(ActivityForwardContext.ProcessInstance,
comp.Transition.TransitionGUID,
fromActivity,
fromActivityInstance,
ActivityForwardContext.ActivityResource.AppRunner,
Session);
if (nodeExecutedResult.Status == NodeAutoExecutedStatus.Successed)
{
//遍历后续子节点
ContinueForwardCurrentNodeRecurisivly(eventNodeMediator.EventActivity,
eventNodeMediator.EventActivityInstance,
comp,
conditionKeyValuePair,
isNotParsedForward,
ref mediatorResult);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.IntermediateEventFailed));
LogManager.RecordLog("中间事件节点执行方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(nodeExecutedResult.Status.ToString()));
}
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.UnknownNodeTypeToWatch));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(string.Format("XML文件定义了未知的节点类型，执行失败，节点类型信息：{0}",
comp.Activity.ActivityType.ToString()))
);
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.TaskNode) //普通任务节点
{
//此节点类型为任务节点：根据fromActivityInstance的类型判断是否可以创建任务
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//创建新任务节点
NodeMediator taskNodeMediator = new NodeMediatorTask(Session);
taskNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity,
ActivityForwardContext.ProcessInstance,
fromActivityInstance,
comp.Transition.TransitionGUID,
comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ?
TransitionTypeEnum.Loop : TransitionTypeEnum.Forward, //根据Direction方向确定是否是自身循环
isNotParsedForward == true ?
TransitionFlyingTypeEnum.ForwardFlying : TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
}
else
{
//下一步的任务节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支!"));
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!"));
}
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.MultipleInstanceNode) //多实例会签节点
{
//此节点类型为任务节点：根据fromActivityInstance的类型判断是否可以创建任务
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//创建新多实例节点
NodeMediator mediatorMICreator = new NodeMediatorMICreator(Session);
mediatorMICreator.CreateActivityTaskTransitionInstance(comp.Activity,
ActivityForwardContext.ProcessInstance,
fromActivityInstance,
comp.Transition.TransitionGUID,
comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ?
TransitionTypeEnum.Loop : TransitionTypeEnum.Forward, //根据Direction方向确定是否是自身循环
isNotParsedForward == true ?
TransitionFlyingTypeEnum.ForwardFlying : TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
}
else
{
//下一步的任务节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支!"));
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!"));
}
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.SubProcessNode) //子流程节点
{
//节点类型为subprocessnode
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//实例化subprocess节点数据
NodeMediator subNodeMediator = new NodeMediatorSubProcess(Session);
subNodeMediator.CreateActivityTaskTransitionInstance(comp.Activity,
ActivityForwardContext.ProcessInstance,
fromActivityInstance,
comp.Transition.TransitionGUID,
comp.Transition.DirectionType == TransitionDirectionTypeEnum.Loop ?
TransitionTypeEnum.Loop : TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.EndNode) //结束节点
{
if (fromActivityInstance.ActivityState == (short)ActivityStateEnum.Completed)
{
//此节点为完成结束节点，结束流程
NodeMediator endMediator = new NodeMediatorEnd(ActivityForwardContext, Session);
endMediator.Linker.ToActivity = comp.Activity;
//创建结束节点实例及转移数据
endMediator.CreateActivityTaskTransitionInstance(comp.Activity, ActivityForwardContext.ProcessInstance,
fromActivityInstance, comp.Transition.TransitionGUID, TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
ActivityForwardContext.ActivityResource,
Session);
//执行结束节点中的业务逻辑
endMediator.ExecuteWorkItem();
}
else
{
//结束节点没有创建，需给出提示信息
if (IsWaitingOneOfJoin(fromActivity.GatewayDirectionType) == true)
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.NeedOtherGatewayBranchesToJoin));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支!"));
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.OtherUnknownReasonToDebug));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("等待其它需要合并的分支或发生其它类型的异常!"));
}
}
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResultWithException(
WfNodeMediatedFeedback.UnknownNodeTypeToWatch));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException(string.Format("XML文件定义了未知的节点类型，执行失败，节点类型信息：{0}",
comp.Activity.ActivityType.ToString()))
);
}
}
}