/// <summary>
/// 进行流程跳转
/// </summary>
/// <param name="context"></param>
public void Jump(WorkflowContext context)
{
WorkflowInstance instance = context.Instance;
if (instance.State == WorkflowInstanceState.Running)
{
WorkflowNode current = instance.Current;
context.SetOperation(WorkflowAction.Jump);
if (CheckAuthorization(context) == false)
{
return;
}
long transitionTo = current.Transitions
.FirstOrDefault(e => e.NID == context.TransitionID).DESTINATION;
current.SetActor(context.ActorID, context.ActorName, WorkflowAction.Jump);
instance.Jump(transitionTo);
ASTNode to = current.GetNode(transitionTo);
OnExecuteProcess(new ExecutingContext()
{
From = current,
To = to,
TransitionID = context.TransitionID,
Instance = instance,
Data = context.Data,
Operation = context.Operation,
ActorID = context.ActorID,
ActorName = context.ActorName
});
if (to.NodeType == WorkflowNodeCategeory.End)
{
instance.State = WorkflowInstanceState.End;
instance.Transfer();
}
else if (to.NodeType == WorkflowNodeCategeory.Decision)
{
WorkflowDecision wfDecision = WorkflowDecision.ConvertToReallyType(to);
Transition transition = wfDecision.GetTransition();
if (transition == null)
{
return;
}
Jump(new WorkflowContext()
{
Instance = WorkflowInstance.GetInstance(instance.InstanceID),
TransitionID = transition.NID,
ActorID = context.ActorID,
Data = context.Data
});
}
}
}
/// <summary>
/// 获取决策节点实例
/// </summary>
/// <param name="node">抽象节点</param>
/// <returns>决策节点实例</returns>
public static WorkflowDecision ConvertToReallyType(ASTNode node)
{
WorkflowDecision wfNode = new WorkflowDecision();
wfNode.INSTANCEID = node.INSTANCEID;
wfNode.NID = node.NID;
wfNode.IDENTIFICATION = node.IDENTIFICATION;
wfNode.APPELLATION = node.APPELLATION;
wfNode.NodeType = node.NodeType;
return(wfNode);
}
/// <summary>
/// 获取决策节点实例
/// </summary>
/// <param name="node">抽象节点</param>
/// <returns>决策节点实例</returns>
public static WorkflowDecision ConvertToReallyType(ASTNode node)
{
WorkflowDecision wfNode = new WorkflowDecision();
wfNode.InstanceID = node.InstanceID;
wfNode.NID = node.NID;
wfNode.ID = node.ID;
wfNode.Name = node.Name;
wfNode.NodeType = node.NodeType;
return(wfNode);
}
/// <summary>
/// 进行流程跳转
/// </summary>
/// <param name="context"></param>
public void Jump(WorkflowContext context)
{
WorkflowInstance instance = context.Instance;
if (instance.State == WorkflowInstanceState.Running)
{
WorkflowNode current = instance.Current;
string transitionTo = current.Transitions
.FirstOrDefault(e => e.NID == context.TransitionID).Destination;
instance.Jump(transitionTo);
ASTNode to = current.GetNode(transitionTo);
OnExecuteProcess(new ExecutingContext()
{
From = current,
To = to,
TransitionID = context.TransitionID,
Instance = instance,
Data = context.Data,
ActorID = context.ActorID,
ActorName = context.ActorName
});
if (to.NodeType == WorkflowNodeCategory.End)
{
instance.Transfer(WorkflowInstanceState.End);
}
else if (to.NodeType == WorkflowNodeCategory.Decision)
{
WorkflowDecision wfDecision = WorkflowDecision.ConvertToReallyType(to);
Transition transition = wfDecision.GetTransition();
if (transition == null)
{
return;
}
Jump(new WorkflowContext()
{
Instance = WorkflowInstance.GetInstance(instance.InstanceID),
TransitionID = transition.NID,
ActorID = context.ActorID,
Data = context.Data
});
}
}
}
public List <Transition> GetTransitions()
{
foreach (Smartflow.Elements.Transition transition in this.Transitions)
{
ASTNode an = this.GetNode(transition.Destination);
Transition decisionTransition = transition;
while (an.NodeType == Enums.WorkflowNodeCategory.Decision)
{
WorkflowDecision decision = WorkflowDecision.ConvertToReallyType(an);
decisionTransition = decision.GetTransition();
an = this.GetNode(decisionTransition.Destination);
}
transition.Name = decisionTransition.Name;
}
return(this.Transitions);
}
/// <summary>
/// 获取当前执行的跳转路线
/// </summary>
/// <param name="transitionID">跳转ID</param>
/// <returns>跳转对象</returns>
protected Transition GetExecuteTransition(string transitionID)
{
Transition executeTransition = Transitions
.FirstOrDefault(t => t.NID == transitionID);
ASTNode an = this.GetNode(executeTransition.Destination);
Transition returnTransition = executeTransition;
while (an.NodeType == Enums.WorkflowNodeCategory.Decision)
{
WorkflowDecision decision = WorkflowDecision.ConvertToReallyType(an);
returnTransition = decision.GetTransition();
an = this.GetNode(returnTransition.Destination);
}
return(returnTransition);
}
