internal void SetCurrentNode(PowerThreadNode toNode)
{
// if (IsContained(toNode))
{
CurrentNode = toNode;
}
}
public Transmission(PowerThreadNode from, PowerThreadNode to)
{
this.FromNode = from;
ConditionBranches = new List <TransmissionConditionBranch>()
{
new TransmissionConditionBranch {
Condition = TransmissionCondition.Default, ToNode = to
}
};
}
private PowerThreadNode GetNextNode(PowerThreadContext context, PowerThreadNode fromNode)
{
var transmission = Transmissions.FirstOrDefault(p => p.FromNode.ObjectId == fromNode.ObjectId);
if (transmission == null)
{
return(PowerThreadDefaultNodes.DefaultEndNode);
}
foreach (var item in transmission.ConditionBranches)
{
if (item.Condition.IsSatisified(context))
{
return(item.ToNode);
}
}
//
return(PowerThreadDefaultNodes.MissFoundNode);
}
public void Next(PowerThreadContext context, PowerThreadNode fromNode)
{
if (context.IsCurrentNode(fromNode) == false)
{
throw new InvalidThreadActionException("Not actived thread node!");
}
if (fromNode.Equals(PowerThreadDefaultNodes.DefaultEndNode))
{
throw new InvalidTransmissionSinceThreadAlreadyEnd();
}
var toNode = GetNextNode(context, fromNode);
if (toNode != null)
{
context.PowerThread.SetCurrentNode(toNode);
if (!IsEndNode(toNode))
{
toNode.LoadNode();
}
if (toNode.IsEnd)
{
context.PowerThread.SetState(PowerThreadState.End);
}
else if (IsUnfound(toNode))
{
context.PowerThread.SetState(PowerThreadState.ErrorMissFoundNode);
}
else
{
context.PowerThread.SetState(PowerThreadState.Processing);
}
}
else
{
// 如果找不到下一个节点， 也认为其结束。
context.PowerThread.SetState(PowerThreadState.End);
}
}
private bool IsContained(PowerThreadNode node)
{
bool result = this.Nodes.Any(p => p.ObjectId == node.ObjectId);
return(result);
}
public void TerminateThreadAtNode(PowerThreadNode fromNode)
{
StateMachine.TerminateThread(Context, fromNode);
}
public void GoNextNode(PowerThreadNode fromNode)
{
// todo
StateMachine.Next(Context, fromNode);
}
public void TerminateThread(PowerThreadContext context, PowerThreadNode fromNode)
{
context.PowerThread.SetState(PowerThreadState.Terminated);
}
private bool IsUnfound(PowerThreadNode toNode)
{
return(toNode.Name == "[UnfoundNode]");
}
private bool IsEndNode(PowerThreadNode toNode)
{
return(toNode.Equals(PowerThreadDefaultNodes.DefaultEndNode));
}
internal bool IsCurrentNode(PowerThreadNode fromNode)
{
return(fromNode.ObjectId == PowerThread.CurrentNode.ObjectId);
}