/// <summary>
/// 自动完成
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="activityResource">活动资源</param>
/// <param name="session">会话</param>
/// <returns>网关执行结果</returns>
public GatewayExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityInstanceEntity fromActivityInstance,
ActivityResource activityResource,
IDbSession session)
{
var gatewayActivityInstance = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, activityResource.AppRunner);
gatewayActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.XOrSplit;
base.InsertActivityInstance(gatewayActivityInstance,
session);
base.CompleteActivityInstance(gatewayActivityInstance.ID,
activityResource,
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,
activityResource.AppRunner,
session);
GatewayExecutedResult result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.Successed);
return(result);
}
internal static GatewayExecutedResult CreateGatewayExecutedResult(GatewayExecutedStatus status)
{
GatewayExecutedResult result = new GatewayExecutedResult(GatewayExecutedStatus.Unknown, "Gateway节点的执行状态未知！");
switch (status)
{
case GatewayExecutedStatus.Successed:
result = new GatewayExecutedResult(GatewayExecutedStatus.Successed, "Gateway节点成功执行！");
break;
case GatewayExecutedStatus.FallBehindOfXOrJoin:
result = new GatewayExecutedResult(GatewayExecutedStatus.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>
/// 置开始节点为结束状态
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="activityResource">活动实例</param>
/// <param name="session">会话</param>
/// <returns>网关执行结果</returns>
private GatewayExecutedResult 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;
GatewayExecutedResult result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.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="fromActivityInstance">起始活动实例</param>
/// <param name="activityResource">活动资源</param>
/// <param name="session">数据上下文</param>
/// <returns>网关执行结果</returns>
public GatewayExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityInstanceEntity fromActivityInstance,
ActivityResource activityResource,
IDbSession session)
{
GatewayExecutedResult result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.Unknown);
bool canRenewInstance = false;
//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)
{
canRenewInstance = true;
}
else
{
//判断是否可以激活下一步节点
canRenewInstance = (joinNode.CanRenewInstance == 1);
if (!canRenewInstance)
{
result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.FallBehindOfXOrJoin);
return(result);
}
}
if (canRenewInstance)
{
var gatewayActivityInstance = base.CreateActivityInstanceObject(base.GatewayActivity,
processInstance, activityResource.AppRunner);
gatewayActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.XOrJoin;
base.InsertActivityInstance(gatewayActivityInstance,
session);
base.CompleteActivityInstance(gatewayActivityInstance.ID,
activityResource,
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,
activityResource.AppRunner,
session);
result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.Successed);
}
return(result);
}
/// <summary>
/// OrJoin合并时的节点完成方法
/// 1. 如果有满足条件的OrJoin前驱转移，则会重新生成新的OrJoin节点实例
/// </summary>
/// <param name="processInstance">流程实例</param>
/// <param name="transitionGUID">转移GUID</param>
/// <param name="fromActivityInstance">起始活动实例</param>
/// <param name="activityResource">活动资源</param>
/// <param name="session">会话</param>
public GatewayExecutedResult CompleteAutomaticlly(ProcessInstanceEntity processInstance,
string transitionGUID,
ActivityInstanceEntity fromActivityInstance,
ActivityResource activityResource,
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, activityResource.AppRunner);
//计算总需要的Token数目
joinActivityInstance.TokensRequired = GetTokensRequired(processInstance.ID);
joinActivityInstance.TokensHad = 1;
tokensRequired = joinActivityInstance.TokensRequired;
//进入运行状态
joinActivityInstance.ActivityState = (short)ActivityStateEnum.Running;
joinActivityInstance.GatewayDirectionTypeID = (short)GatewayDirectionEnum.AndJoin;
base.InsertActivityInstance(joinActivityInstance,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinActivityInstance,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
activityResource.AppRunner,
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,
activityResource.AppRunner,
session);
base.InsertTransitionInstance(processInstance,
transitionGUID,
fromActivityInstance,
joinNode,
TransitionTypeEnum.Forward,
TransitionFlyingTypeEnum.NotFlying,
activityResource.AppRunner,
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,
activityResource,
session);
base.GatewayActivityInstance.ActivityState = (short)ActivityStateEnum.Completed;
}
GatewayExecutedResult result = GatewayExecutedResult.CreateGatewayExecutedResult(GatewayExecutedStatus.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="isJumpforward">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 isJumpforward,
ref List <WfNodeMediatedResult> mediatorResult)
{
foreach (NextActivityComponent comp in root)
{
if (comp.HasChildren)
{
//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 = NodeMediatorGatewayFactory.CreateGatewayNodeMediator(comp.Activity,
this.ActivityForwardContext.ProcessModel,
Session);
ICompleteAutomaticlly autoGateway = (ICompleteAutomaticlly)gatewayNodeMediator;
GatewayExecutedResult gatewayResult = autoGateway.CompleteAutomaticlly(
ActivityForwardContext.ProcessInstance,
comp.Transition.TransitionGUID,
fromActivityInstance,
ActivityForwardContext.ActivityResource,
Session);
if (gatewayResult.Status == GatewayExecutedStatus.Successed)
{
//遍历后续子节点
ContinueForwardCurrentNodeRecurisivly(fromActivity,
gatewayNodeMediator.GatewayActivityInstance,
comp,
conditionKeyValuePair,
isJumpforward,
ref mediatorResult);
}
else
{
mediatorResult.Add(WfNodeMediatedResult.CreateNodeMediatedResult(
WfNodeMediatedFeedback.XOrFirstHasBeenFinishedOthersBlocked));
LogManager.RecordLog("递归执行节点方法异常",
LogEventType.Exception,
LogPriority.Normal,
null,
new WfRuntimeException("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XOrJoin节点!"));
}
}
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
isJumpforward == 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.CreateNodeMediatedResult(
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.CreateNodeMediatedResult(
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.CreateNodeMediatedResult(
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.CreateNodeMediatedResult(
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.CreateNodeMediatedResult(
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()))
);
}
}
}
