/// <summary>
/// 创建方法
/// </summary>
/// <param name="scheduleStatus"></param>
/// <param name="root"></param>
/// <returns></returns>
internal static NextActivityMatchedResult CreateNextActivityMatchedResultObject(NextActivityMatchedType matchedType,
NextActivityComponent root)
{
NextActivityMatchedResult result = new NextActivityMatchedResult(matchedType, root);
switch (matchedType)
{
case NextActivityMatchedType.Unknown:
result.Message = NextActivityMatchedResult.Unkonwn;
break;
case NextActivityMatchedType.Failed:
result.Message = NextActivityMatchedResult.Exceptional;
break;
case NextActivityMatchedType.Successed:
result.Message = NextActivityMatchedResult.Successed;
break;
case NextActivityMatchedType.NoneTransitionFilteredByCondition:
result.Message = NextActivityMatchedResult.NoneTransitionFilteredByCondition;
break;
case NextActivityMatchedType.WaitingForSplitting:
result.Message = NextActivityMatchedResult.NoneTransitionAsBeingFiltered;
break;
case NextActivityMatchedType.NoneTransitionMatchedToSplit:
result.Message = NextActivityMatchedResult.NoneWayMatchedToSplit;
break;
case NextActivityMatchedType.WaitingForOthersJoin:
result.Message = NextActivityMatchedResult.WaitingForOthersJoin;
break;
case NextActivityMatchedType.NotMadeItselfToJoin:
result.Message = NextActivityMatchedResult.NotMadeItselfToJoin;
break;
}
return result;
}
/// <summary>
/// 创建下一步活动的节点
/// </summary>
/// <param name="activity"></param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(TransitionEntity transition,
ActivityEntity activity)
{
NextActivityComponent component = null;
if (XPDLHelper.IsSimpleComponentNode(activity.ActivityType) == true) //可流转简单类型节点
{
string name = "单一节点";
component = new NextActivityItem(name, transition, activity);
}
else if (activity.ActivityType == ActivityTypeEnum.SubProcessNode)
{
string name = "子流程节点";
component = new NextActivityItem(name, transition, activity);
}
else
{
string name = string.Empty;
if (activity.GatewayDirectionType == Slickflow.Engine.Common.GatewayDirectionEnum.AndSplit)
{
name = "必全选节点";
}
else
{
name = "或多选节点";
}
component = new NextActivityGateway(name, transition, activity);
}
return(component);
}
public override bool Remove(NextActivityComponent nextActivity)
{
bool isRemoved = nextActivityList.Remove(nextActivity);
if (nextActivityList.Count == 0)
hasChildren = false;
return isRemoved;
}
/// <summary>
/// 根据Transition，获取下一步节点列表
/// </summary>
/// <param name="forwardTransition">转移实体</param>
/// <param name="conditionKeyValuePair">条件kv对</param>
/// <param name="resultType">结果类型</param>
protected NextActivityComponent GetNextActivityListFromGatewayCore(TransitionEntity forwardTransition,
IDictionary <string, string> conditionKeyValuePair,
out NextActivityMatchedType resultType)
{
NextActivityComponent child = null;
if (XPDLHelper.IsSimpleComponentNode(forwardTransition.ToActivity.ActivityType) == true) //可流转简单类型节点
{
child = NextActivityComponentFactory.CreateNextActivityComponent(forwardTransition, forwardTransition.ToActivity);
resultType = NextActivityMatchedType.Successed;
}
else if (forwardTransition.ToActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
child = GetNextActivityListFromGateway(forwardTransition,
forwardTransition.ToActivity,
conditionKeyValuePair,
out resultType);
}
else
{
resultType = NextActivityMatchedType.Failed;
throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", forwardTransition.ToActivity.ActivityType.ToString()));
}
return(child);
}
/// <summary>
/// 创建下一步活动的节点
/// </summary>
/// <param name="activity"></param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(TransitionEntity transition,
ActivityEntity activity)
{
NextActivityComponent component = null;
if (activity.ActivityType == ActivityTypeEnum.TaskNode ||
activity.ActivityType == ActivityTypeEnum.EndNode)
{
string name = "单一节点";
component = new NextActivityItem(name, transition, activity);
}
else
{
string name = string.Empty;
if (activity.GatewayDirectionType == Slickflow.Engine.Common.GatewayDirectionEnum.AndSplit)
{
name = "必全选节点";
}
else
{
name = "或多选节点";
}
component = new NextActivityGateway(name, transition, activity);
}
return(component);
}
/// <summary>
/// 获取下一步节点列表，伴随运行时条件信息
/// </summary>
/// <param name="currentActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal NextActivityMatchedResult GetNextActivityList(string currentActivityGUID,
IDictionary <string, string> conditionKeyValuePair = null)
{
try
{
NextActivityMatchedResult result = null;
NextActivityMatchedType resultType = NextActivityMatchedType.Unknown;
//创建“下一步节点”的根节点
NextActivityComponent root = NextActivityComponentFactory.CreateNextActivityComponent();
NextActivityComponent child = null;
List <TransitionEntity> transitionList = GetForwardTransitionList(currentActivityGUID,
conditionKeyValuePair).ToList();
if (transitionList.Count > 0)
{
//遍历连线，获取下一步节点的列表
foreach (TransitionEntity transition in transitionList)
{
if (transition.ToActivity.ActivityType == ActivityTypeEnum.EndNode ||
transition.ToActivity.ActivityType == ActivityTypeEnum.TaskNode ||
transition.ToActivity.ActivityType == ActivityTypeEnum.SubProcessNode)
{
child = NextActivityComponentFactory.CreateNextActivityComponent(transition, transition.ToActivity);
}
else if (transition.ToActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
NextActivityScheduleBase activitySchedule = NextActivityScheduleFactory.CreateActivitySchedule(this,
transition.ToActivity.GatewaySplitJoinType);
child = activitySchedule.GetNextActivityListFromGateway(transition,
transition.ToActivity,
conditionKeyValuePair,
out resultType);
}
else
{
throw new XmlDefinitionException(string.Format("未知的节点类型：{0}", transition.ToActivity.ActivityType.ToString()));
}
if (child != null)
{
root.Add(child);
resultType = NextActivityMatchedType.Successed;
}
}
}
else
{
resultType = NextActivityMatchedType.NoneTransitionFilteredByCondition;
}
result = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(resultType, root);
return(result);
}
catch (System.Exception e)
{
throw new WfXpdlException(string.Format("解析流程定义文件发生异常，异常描述：{0}", e.Message), e);
}
}
public override void Add(NextActivityComponent nextActivity)
{
nextActivityList.Add(nextActivity);
if (hasChildren == false)
{
hasChildren = true;
}
}
public override bool Remove(NextActivityComponent nextActivity)
{
bool isRemoved = nextActivityList.Remove(nextActivity);
if (nextActivityList.Count == 0)
{
hasChildren = false;
}
return(isRemoved);
}
/// <summary>
/// 把子节点添加到网关路由节点，根据网关节点和子节点是否为空处理
/// </summary>
/// <param name="gatewayComponent"></param>
/// <param name="child"></param>
/// <param name="currentGatewayActivity"></param>
/// <returns></returns>
protected NextActivityComponent AddChildToGatewayComponent(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
NextActivityComponent gatewayComponent,
NextActivityComponent child)
{
if ((gatewayComponent == null) && (child != null))
gatewayComponent = NextActivityComponentFactory.CreateNextActivityComponent(fromTransition, currentGatewayActivity);
if ((gatewayComponent != null) && (child != null))
gatewayComponent.Add(child);
return gatewayComponent;
}
/// <summary>
/// 添加子节点到网关节点
/// </summary>
/// <param name="newRoot"></param>
/// <param name="root"></param>
/// <param name="child"></param>
/// <returns></returns>
private NextActivityComponent AddChildToNewGatewayComponent(NextActivityComponent newRoot,
NextActivityComponent root,
NextActivityComponent child)
{
if ((newRoot == null) && (child != null))
{
newRoot = NextActivityComponentFactory.CreateNextActivityComponent(root);
}
if ((newRoot != null) && (child != null))
{
newRoot.Add(child);
}
return(newRoot);
}
/// <summary>
/// 把子节点添加到网关路由节点，根据网关节点和子节点是否为空处理
/// </summary>
/// <param name="fromTransition">起始转移</param>
/// <param name="currentGatewayActivity">当前网关节点</param>
/// <param name="gatewayComponent">网关Component</param>
/// <param name="child">子节点</param>
/// <returns>下一步Component</returns>
protected NextActivityComponent AddChildToGatewayComponent(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
NextActivityComponent gatewayComponent,
NextActivityComponent child)
{
if ((gatewayComponent == null) && (child != null))
{
gatewayComponent = NextActivityComponentFactory.CreateNextActivityComponent(fromTransition, currentGatewayActivity);
}
if ((gatewayComponent != null) && (child != null))
{
gatewayComponent.Add(child);
}
return(gatewayComponent);
}
/// <summary>
/// 创建跳转节点(强制拉取跳转方式，后续节点状态可以强制拉取前置节点到当前节点[后续节点])
/// </summary>
/// <param name="fromActivity">要拉取的节点</param>
/// <param name="toActivity">拉取到节点</param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(ActivityEntity fromActivity,
ActivityEntity toActivity)
{
NextActivityComponent component = null;
if (XPDLHelper.IsSimpleComponentNode(fromActivity.ActivityType) == true) //可流转简单类型节点
{
string name = "单一节点";
var transition = TransitionBuilder.CreateJumpforwardEmptyTransition(fromActivity, toActivity);
component = new NextActivityItem(name, transition, fromActivity); //强制拉取跳转类型的transition 为空类型
}
else
{
throw new ApplicationException(string.Format("不能跳转到其它非任务类型的节点！当前节点:{0}",
fromActivity.ActivityType));
}
return(component);
}
/// <summary>
/// 获取下一步节点列表（伴随条件和资源）
/// </summary>
/// <param name="currentActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal NextActivityMatchedResult GetNextActivityList(string currentActivityGUID,
IDictionary <string, string> conditionKeyValuePair,
ActivityResource activityResource,
Expression <Func <ActivityResource, ActivityEntity, bool> > expression)
{
NextActivityComponent newRoot = NextActivityComponentFactory.CreateNextActivityComponent();
//先获取未加运行时表达式过滤的下一步节点列表
NextActivityMatchedResult result = GetNextActivityList(currentActivityGUID,
conditionKeyValuePair);
foreach (NextActivityComponent c in result.Root)
{
if (c.HasChildren)
{
NextActivityComponent child = GetNextActivityListByExpressionRecurisivly(c, activityResource, expression);
if (child != null)
{
newRoot.Add(child);
}
}
else
{
if (expression.Compile().Invoke(activityResource, c.Activity))///TODO
{
newRoot.Add(c);
}
}
}
NextActivityMatchedResult newResult = null;
if (newRoot.HasChildren)
{
newResult = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(result.MatchedType, newRoot);
}
else
{
newResult = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(NextActivityMatchedType.NoneTransitionFilteredByCondition,
newRoot);
}
return(newResult);
}
/// <summary>
/// 迭代遍历
/// </summary>
/// <param name="root"></param>
/// <param name="treeNodeList"></param>
private void Tranverse(NextActivityComponent root, IList <NodeView> treeNodeList)
{
foreach (var child in root)
{
if (child.HasChildren)
{
Tranverse(child, treeNodeList);
}
else
{
treeNodeList.Add(new NodeView
{
ActivityGUID = child.Activity.ActivityGUID,
ActivityName = child.Activity.ActivityName,
ActivityCode = child.Activity.ActivityCode,
Roles = GetActivityRoles(child.Activity.ActivityGUID)
});
}
}
}
/// <summary>
/// 创建跳转节点(强制拉取跳转方式，后续节点状态可以强制拉取前置节点到当前节点[后续节点])
/// </summary>
/// <param name="fromActivity">要拉取的节点</param>
/// <param name="toActivity">拉取到节点</param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(ActivityEntity fromActivity,
ActivityEntity toActivity)
{
NextActivityComponent component = null;
if (fromActivity.ActivityType == ActivityTypeEnum.TaskNode ||
fromActivity.ActivityType == ActivityTypeEnum.EndNode)
{
string name = "单一节点";
var transition = ProcessModel.CreateJumpforwardEmptyTransition(fromActivity, toActivity);
component = new NextActivityItem(name, transition, fromActivity); //强制拉取跳转类型的transition 为空类型
}
else
{
throw new ApplicationException(string.Format("不能跳转到其它非任务类型的节点！当前节点:{0}",
fromActivity.ActivityType));
}
return(component);
}
/// <summary>
/// 递归获取满足条件的下一步节点列表
/// </summary>
/// <param name="root"></param>
/// <param name="activityResource"></param>
/// <param name="expression"></param>
/// <returns></returns>
private NextActivityComponent GetNextActivityListByExpressionRecurisivly(NextActivityComponent root,
ActivityResource activityResource,
Expression <Func <ActivityResource, ActivityEntity, bool> > expression)
{
NextActivityComponent r1 = null;
foreach (NextActivityComponent c in root)
{
if (c.HasChildren)
{
NextActivityComponent child = GetNextActivityListByExpressionRecurisivly(c, activityResource, expression);
r1 = AddChildToNewGatewayComponent(r1, c, child);
}
else
{
if (expression.Compile().Invoke(activityResource, c.Activity))
{
r1 = AddChildToNewGatewayComponent(r1, root, c);
}
}
}
return(r1);
}
/// <summary>
/// 获取下一步节点列表
/// </summary>
/// <param name="processInstanceID"></param>
/// <param name="fromTransition"></param>
/// <param name="currentGatewayActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal override NextActivityComponent GetNextActivityListFromGateway(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
IDictionary <string, string> conditionKeyValuePair,
out NextActivityMatchedType resultType)
{
NextActivityComponent child = null;
NextActivityComponent gatewayComponent = null;
resultType = NextActivityMatchedType.Unknown;
//直接取出下步列表，运行时再根据条件执行
List <TransitionEntity> transitionList = base.ProcessModel.GetForwardTransitionList(currentGatewayActivity.ActivityGUID).ToList();
foreach (TransitionEntity transition in transitionList)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
return(gatewayComponent);
}
/// <summary>
/// 删除子节点
/// </summary>
/// <param name="nextActivity"></param>
/// <returns></returns>
public virtual bool Remove(NextActivityComponent nextActivity)
{
throw new InvalidOperationException("非组合节点，无子项可以删除！");
}
/// <summary>
/// 创建方法
/// </summary>
/// <param name="scheduleStatus"></param>
/// <param name="root"></param>
/// <returns></returns>
internal static NextActivityMatchedResult CreateNextActivityMatchedResultObject(NextActivityMatchedType matchedType,
NextActivityComponent root)
{
NextActivityMatchedResult result = new NextActivityMatchedResult(matchedType, root);
switch (matchedType)
{
case NextActivityMatchedType.Unknown:
result.Message = NextActivityMatchedResult.Unkonwn;
break;
case NextActivityMatchedType.Failed:
result.Message = NextActivityMatchedResult.Exceptional;
break;
case NextActivityMatchedType.Successed:
result.Message = NextActivityMatchedResult.Successed;
break;
case NextActivityMatchedType.NoneTransitionFilteredByCondition:
result.Message = NextActivityMatchedResult.NoneTransitionFilteredByCondition;
break;
case NextActivityMatchedType.WaitingForSplitting:
result.Message = NextActivityMatchedResult.NoneTransitionAsBeingFiltered;
break;
case NextActivityMatchedType.NoneTransitionMatchedToSplit:
result.Message = NextActivityMatchedResult.NoneWayMatchedToSplit;
break;
case NextActivityMatchedType.WaitingForOthersJoin:
result.Message = NextActivityMatchedResult.WaitingForOthersJoin;
break;
case NextActivityMatchedType.NotMadeItselfToJoin:
result.Message = NextActivityMatchedResult.NotMadeItselfToJoin;
break;
}
return(result);
}
/// <summary>
/// 获取下一步节点列表
/// </summary>
/// <param name="processInstanceID"></param>
/// <param name="fromTransition"></param>
/// <param name="currentGatewayActivity"></param>
/// <param name="conditionKeyValuePair"></param>
/// <returns></returns>
internal override NextActivityComponent GetNextActivityListFromGateway(TransitionEntity fromTransition,
ActivityEntity currentGatewayActivity,
IDictionary <string, string> conditionKeyValuePair,
out NextActivityMatchedType resultType)
{
NextActivityComponent child = null;
NextActivityComponent gatewayComponent = null;
resultType = NextActivityMatchedType.Unknown;
var transitionList = this.ProcessModel.GetForwardTransitionList(currentGatewayActivity.ActivityGUID).ToList();
if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.AndSplit)
{
//判读连线上的条件是否都满足，如果都满足才可以取出后续节点列表
bool isCheckedOk = base.ProcessModel.CheckAndSplitOccurrenceCondition(transitionList, conditionKeyValuePair);
if (isCheckedOk)
{
//获取AndSplit的每一条后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
}
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.WaitingForSplitting;
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.OrSplit)
{
//获取OrSplit的，满足条件的后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
bool isValidTransition = base.ProcessModel.IsValidTransition(transition, conditionKeyValuePair);
if (isValidTransition)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
}
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.NoneTransitionMatchedToSplit;
}
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.XOrSplit)
{
//按连线定义的优先级排序
transitionList.Sort(new TransitionPriorityCompare());
//获取XOrSplit的，第一条满足条件的后续连线上的To节点
foreach (TransitionEntity transition in transitionList)
{
bool isValidTransitionXOr = base.ProcessModel.IsValidTransition(transition, conditionKeyValuePair);
if (isValidTransitionXOr)
{
child = GetNextActivityListFromGatewayCore(transition,
conditionKeyValuePair,
out resultType);
gatewayComponent = AddChildToGatewayComponent(fromTransition, currentGatewayActivity, gatewayComponent, child);
//退出循环
break;
}
}
if (gatewayComponent == null)
{
resultType = NextActivityMatchedType.NoneTransitionMatchedToSplit;
}
}
else if (currentGatewayActivity.GatewayDirectionType == GatewayDirectionEnum.ComplexSplit)
{
resultType = NextActivityMatchedType.Failed;
throw new Exception("ComplexSplit 没有具体实现！");
}
else
{
resultType = NextActivityMatchedType.Failed;
throw new Exception("Split 分支节点的类型不明确！");
}
return(gatewayComponent);
}
/// <summary>
/// 添加子节点
/// </summary>
/// <param name="nextActivity"></param>
public virtual void Add(NextActivityComponent nextActivity)
{
throw new InvalidOperationException("非组合节点，不能添加子项！");
}
public virtual void Add(NextActivityComponent nextActivity)
{
throw new InvalidOperationException("非组合节点，不能添加子项！");
}
public virtual bool Remove(NextActivityComponent nextActivity)
{
throw new InvalidOperationException("非组合节点，无子项可以删除！");
}
private NextActivityMatchedResult(NextActivityMatchedType matchedType,
NextActivityComponent root)
{
MatchedType = matchedType;
Root = root;
}
private NextActivityMatchedResult(NextActivityMatchedType matchedType,
NextActivityComponent root)
{
MatchedType = matchedType;
Root = root;
}
/// <summary>
/// 根据现有下一步节点列表，创建新的下一步节点列表对象
/// </summary>
/// <param name="c"></param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(NextActivityComponent c)
{
NextActivityComponent newComp = CreateNextActivityComponent(c.Transition, c.Activity);
return(newComp);
}
/// <summary>
/// 根据现有下一步节点列表，创建新的下一步节点列表对象
/// </summary>
/// <param name="c"></param>
/// <returns></returns>
internal static NextActivityComponent CreateNextActivityComponent(NextActivityComponent c)
{
NextActivityComponent newComp = CreateNextActivityComponent(c.Transition, c.Activity);
return newComp;
}
/// <summary>
/// 递归获取满足条件的下一步节点列表
/// </summary>
/// <param name="root"></param>
/// <param name="activityResource"></param>
/// <param name="expression"></param>
/// <returns></returns>
private NextActivityComponent GetNextActivityListByExpressionRecurisivly(NextActivityComponent root,
ActivityResource activityResource,
Expression<Func<ActivityResource, ActivityEntity, bool>> expression)
{
NextActivityComponent r1 = null;
foreach (NextActivityComponent c in root)
{
if (c.HasChildren)
{
NextActivityComponent child = GetNextActivityListByExpressionRecurisivly(c, activityResource, expression);
r1 = AddChildToNewGatewayComponent(r1, c, child);
}
else
{
if (expression.Compile().Invoke(activityResource, c.Activity))
{
r1 = AddChildToNewGatewayComponent(r1, root, c);
}
}
}
return r1;
}
/// <summary>
/// 迭代遍历
/// </summary>
/// <param name="root"></param>
/// <param name="treeNodeList"></param>
private void Tranverse(NextActivityComponent root, IList<NodeView> treeNodeList)
{
foreach (var child in root)
{
if (child.HasChildren)
{
Tranverse(child, treeNodeList);
}
else
{
treeNodeList.Add(new NodeView
{
ActivityGUID = child.Activity.ActivityGUID,
ActivityName = child.Activity.ActivityName,
ActivityCode = child.Activity.ActivityCode,
Roles = GetActivityRoles(child.Activity.ActivityGUID)
});
}
}
}
/// <summary>
/// 添加子节点到网关节点
/// </summary>
/// <param name="newRoot"></param>
/// <param name="root"></param>
/// <param name="child"></param>
/// <returns></returns>
private NextActivityComponent AddChildToNewGatewayComponent(NextActivityComponent newRoot,
NextActivityComponent root,
NextActivityComponent child)
{
if ((newRoot == null) && (child != null))
newRoot = NextActivityComponentFactory.CreateNextActivityComponent(root);
if ((newRoot != null) && (child != null))
newRoot.Add(child);
return newRoot;
}
public override void Add(NextActivityComponent nextActivity)
{
nextActivityList.Add(nextActivity);
if (hasChildren == false)
hasChildren = true;
}
/// <summary>
/// 递归执行节点
/// </summary>
/// <param name="root"></param>
/// <param name="fromNode"></param>
/// <param name="conditionKeyValuePair"></param>
protected void ContinueForwardCurrentNodeRecurisivly(ActivityEntity fromActivity,
ActivityInstanceEntity fromActivityInstance,
NextActivityComponent root,
IDictionary<string, string> conditionKeyValuePair,
Boolean isJumpforward)
{
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,
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);
}
else
{
WfRuntimeException e = 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!");
LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, e);
}
}
else if (comp.Activity.IsSimpleWorkItem)
{
//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 ((fromActivity.GatewayDirectionType | GatewayDirectionEnum.AllJoinType)
== GatewayDirectionEnum.AllJoinType)
{
WfRuntimeException e = new WfRuntimeException("等待其它需要合并的分支!");
LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, e);
}
}
}
else if (comp.Activity.ActivityType == ActivityTypeEnum.SubProcessNode)
{
//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)
{
//此节点为完成结束节点，结束流程
var endMediator = new NodeMediatorEnd(ActivityForwardContext, Session);
endMediator.Linker.ToActivity = comp.Activity;
endMediator.CompleteAutomaticlly(ActivityForwardContext.ProcessInstance,
comp.Transition.TransitionGUID,
fromActivityInstance,
ActivityForwardContext.ActivityResource,
Session);
}
else
{
WfRuntimeException e = 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()));
LogManager.RecordLog("递归执行节点方法异常", LogEventType.Exception, LogPriority.Normal, null, e);
}
}
}
