Activity ResolveNextActivity(IAssociation assoc, NavigateResults navResults, ProcessContext processContext)
{
var parent = this.FromActivity.Parent as Activity;
if (parent.Graph.Nodes == null)
{
throw new InvalidGraphException("父级节点{0}的图形不正确，没有nodes", parent.Id.ToString());
}
var node = parent.Graph.Nodes.FirstOrDefault(node => node.Name == assoc.To);
if (node == null)
{
throw new InvalidGraphException("未在父级节点{0}找到名称为{1}的节点", parent.Id.ToString(), assoc.To);
}
var nextActivity = parent.FindUndealedChild(node.Name);
if (nextActivity != null)
{
return(nextActivity);
}
nextActivity = new Activity(this.FromActivity.Engine, parent, node, this.FromActivity.Version, navResults.NextInputs, processContext.Dealer, navResults.NextDealer, processContext);
this.FromActivity.Todo(nextActivity, navResults.NextInputs);
this.ToActivities.Add(nextActivity);
this.ActivityEntities.Add(nextActivity.Entity);
return(nextActivity);
}
NavigationEntity CreateNavigation(Activity toActivity, IAssociation assoc, NavigateResults navResults, ProcessContext processContext)
{
var entity = new NavigationEntity()
{
FromActivityId = this.FromActivity.Id,
ToActivityId = toActivity.Id,
ParentActivityId = this.FromActivity.ParentId.Value,
FlowId = toActivity.FlowId,
NavigatorType = assoc.InstanceType,
NextDealerId = navResults.NextDealer?.Id,
NextDealerName = navResults.NextDealer?.Name,
NextInputs = JSON.Stringify(navResults.NextInputs),
CreateTime = DateTime.Now,
CreatorId = processContext.Dealer.Id,
CreatorName = processContext.Dealer.Name
};
this.NavigationEntities.Add(entity);
this.FromActivity.AddNexts(assoc.Name, toActivity.Id);
return(entity);
}
Action DoNavigate(Arrow arrow, NavigateResults navResults, Context context)
{
var parent = this.Parent;
if (parent.Graph.Nodes == null)
{
throw new InvalidGraphException("父级节点{0}的图形不正确，没有nodes", parent.Id.ToString());
}
var node = parent.Graph.Nodes.FirstOrDefault(node => node.Name == arrow.To);
if (node == null)
{
throw new InvalidGraphException("未在父级节点{0}找到名称为{1}的节点", parent.Id.ToString(), arrow.To);
}
Action nextAction = new Action(this.Engine, parent, node, null, navResults.NextInputs ?? this.results, context.Dealer, navResults.NextDealer);
parent.AddChild(nextAction);
this.DelayExecute((context) => {
nextAction.Deal(null, context.Dealer, context);
});
return(nextAction);
}
public bool AddIfPass(IAssociation assoc, ProcessContext processConext)
{
// 该连线已经有了
if (this.FromActivity.Nexts.ContainsKey(assoc.Name))
{
return(false);
}
// 获取到导航器
var navigator = this.FromActivity.Engine.ResolveNavigator(this.FromActivity, assoc, processConext);
// 用导航器得到导航结果
NavigateResults navResults = navigator.Navigate(this.FromActivity, assoc, this.ExecuteResults, processConext);
//检查没通过，不会走该线路
if (navResults == null)
{
return(false);
}
var nextActivity = this.ResolveNextActivity(assoc, navResults, processConext);
this.CreateNavigation(nextActivity, assoc, navResults, processConext);
return(true);
}