/// <summary>
/// URL: /workflow/Instance/handle
/// id: 流程实例节点ID
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public ActionResult handle()
{
string UserID = this.User.Identity.Name;
string TemplateID = Request.Form["TemplateID"];
string instNodeID = Request.Form["instNodeID"];
string nodeID = Request.Form["nodeID"];
string actionID = Request.Form["actionID"];
using (MyDB mydb = new MyDB())
{
WFInstNode instNode = mydb.WFInstNodes.FirstOrDefault(n => n.ID.Equals(instNodeID));
WFTemplate template = mydb.WFTemplates.Find(TemplateID);
Type t = getType(template);
if (instNode == null)
{
EntityObjectLib.WFInst inst = Activator.CreateInstance(t) as EntityObjectLib.WFInst;
//Object inst = Activator.CreateInstance(t);
foreach (string key in Request.Form.Keys)
{
PropertyInfo pi = t.GetProperty(key);
if (pi != null)
{
pi.SetValue(
inst,
//Request.Form[key],
Convert.ChangeType(Request.Form[key], pi.PropertyType.UnderlyingSystemType),
null);
}
}
inst.WFTemplate = template;
inst.State = "处理中";
inst.Creator = mydb.Users.Find(UserID);
inst.CreateTime = DateTime.Now;
instNode = new WFInstNode
{
ID = instNodeID,
WFNode = mydb.WFNodes.Find(nodeID),
State = "处理中",
EntryTime = DateTime.Now,
WFInst = inst,
WFInstNodeHandlers = new List<WFInstNodeHandler>()
{
new WFInstNodeHandler
{
Handler = mydb.Users.Find(UserID),
State = "待处理" //如果是"处理中",即表明一个人已经接收,准备处理,其他人不能处理
}
}
};
mydb.WFInstNodes.Add(instNode);
mydb.SaveChanges();
}
}
this.process(instNodeID, this.HttpContext);
return View("handleSuccess");
}
/// <summary>
/// 已完成当前节点工作,将流程实例推入下一个节点
/// 1,判断下一个节点的类型
/// 2.如果是处理节点,则创建实例节点,分配处理人
/// 3.如果是分支节点,则创建实例节点,调用处理该节点
/// 4.如果是结束节点,创建结束节点,调用处理该节点
/// </summary>
/// <param name="instID">流程实例ID</param>
/// <param name="nextNodeID">下一个节点ID</param>
/// <param name="ctx">HTTP上下文</param>
private void entry(string instID, string nextNodeID, HttpContextBase ctx)
{
using (MyDB mydb = new MyDB())
{
WFNode next = mydb.WFNodes.Find(nextNodeID);
WFInst inst = mydb.WFInsts.Find(instID);
if (next is WFNodeHandle)
{
WFInstNode inode = new WFInstNode
{
EntryTime = DateTime.Now,
State = "处理中",
WFNode = next,
WFInst = inst,
WFInstNodeHandlers = ((WFNodeHandle)next).Subjects.OfType<User>().Select(a => new WFInstNodeHandler { Handler = a }).ToArray()
};
mydb.WFInstNodes.Add(inode);
mydb.SaveChanges();
}
else if (next is WFNodeXORSplit)
{
//WFNodeXORSplit Split = next as WFNodeXORSplit;
WFInstNode inode = new WFInstNode
{
EntryTime = DateTime.Now,
State = "处理中",
WFNode = next,
WFInst = inst
};
mydb.WFInstNodes.Add(inode);
mydb.SaveChanges();
this.process(inode.ID, this.HttpContext);
}
else if (next is WFNodeFinish)
{
//WFNodeXORSplit Split = next as WFNodeXORSplit;
WFInstNode inode = new WFInstNode
{
EntryTime = DateTime.Now,
State = "处理中",
WFNode = next,
WFInst = inst
};
mydb.WFInstNodes.Add(inode);
mydb.SaveChanges();
this.process(inode.ID, this.HttpContext);
}
else
{
}
}
}