private static void GetFirstParalle(XElement template, Guid nodeId, ref XElement parallelStart)
{
// 查找子节点中的第一并发
var custs = from c in template.Elements("Connections").First().Elements("Connection")
where c.Element("SinkID").Value == nodeId.ToString()
select c.Element("SourceID").Value;
// 找到所有的父
foreach (var item in custs)
{
// 获取节点名称
var nodeInfos = from c in template.Elements("DesignerItems").Elements("DesignerItem")
where c.Element("ID").Value == item
select c;
foreach (var nodeInfo in nodeInfos)
{
Guid nextId = Guid.Parse(nodeInfo.Element("ID").Value);
if (nodeInfo.Element("BType").Value == "Process")
{
StandBookmark standardBookmark = new StandBookmark();
var obj = (StandBookmark)JsonHelper.JsonToObject(nodeInfo.Element("Details").Value, standardBookmark);
// 如果遇到并发的起点，说明是并发内部的并发
if (!obj.IsParallel)
{
GetFirstParalle(template, nextId, ref parallelStart);
}
else
{
parallelStart = nodeInfo;
break;
}
}
else
{
GetFirstParalle(template, nextId, ref parallelStart);
}
}
}
}
public string ValidateMsg(string submitMsg, TransInfoDto dto)
{
// 如果是以命令开头
if (submitMsg.StartsWith("_"))
{
if (submitMsg == SubmitTypeEnum._SP.ToString())
{
List <Guid> searchNodes = new List <Guid>();
var nodeId = Guid.Parse(XmlHelper.GetSafeValue(dto.Activity, ActivityConst.ID));
searchNodes.Add(nodeId);
Stack <string> parallelStarts = new Stack <string>();
Stack <string> parallelEnds = new Stack <string>();
bool? stopParallelValidate = null;
// 检查是否有起始的节点
Action <XElement> next = null;
Action <XElement> forward = null;
forward = (e) =>
{
var parentActivities = XmlHelper.GetAllForwardActivities(dto.TemplateXml, nodeId);
foreach (var parentActivity in parentActivities)
{
var id = Guid.Parse(XmlHelper.GetSafeValue(parentActivity, ActivityConst.ID));
string bType = XmlHelper.GetSafeValue(parentActivity, ActivityConst.TYPE);
if (bType == ActivityTypeEnum.Process.ToString())
{
StandBookmark bookmark = JsonHelper.JsonToT <StandBookmark>(XmlHelper.GetSafeValue(parentActivity, ActivityConst.DETAILS));
if (bookmark.IsParallel)
{
if (parallelEnds.Contains(bookmark.GroupName))
{
parallelEnds.Pop();
}
else
{
if (parallelEnds.Count() == 0)
{
stopParallelValidate = true;
}
}
}
}
else if (bType == ActivityTypeEnum.Parallel.ToString())
{
var groupName = XmlHelper.GetSafeValue(parentActivity, ActivityConst.GROUPNAME);
if (parallelEnds.Contains(XmlHelper.GetSafeValue(parentActivity, ActivityConst.GROUPNAME)))
{
parallelEnds.Push(groupName);
break;
}
}
if (!stopParallelValidate.HasValue && !searchNodes.Contains(id))
{
searchNodes.Add(id);
forward(parentActivity);
}
}
};
forward(dto.Activity);
if (stopParallelValidate != true)
{
return("该节点不支持并发结束");
}
return(string.Empty);
}
else if (submitMsg.StartsWith(SubmitTypeEnum._BK.ToString()))
{
if (submitMsg.Split(':').Count() == 2)
{
return(string.Empty);
}
else
{
return("退回必须要填写退回的节点名称！");
}
}
else if (submitMsg.StartsWith(SubmitTypeEnum._SB.ToString()) || submitMsg.StartsWith(SubmitTypeEnum._SP.ToString()))
{
return(string.Empty);
}
else
{
return("提交结构不合法！");
}
}
return(string.Empty);
}