//工作流开始运行
public string Start(IDictionary<string, string> record)
{
IEvent startE = null;
foreach(var item in m_events)
{
if (item.Value.GetType().Name == "CStartEvent")
{
startE = item.Value;
break;
}
}
if (startE == null)
return null;
m_courrentEvent = startE.name;
startE.EnterEvent("");
UpdateEntity(WE_STATUS.ACTIVE);
SubmitSignal("[]");
//状态发生了迁移
if (GetCurrentState() != startE.name)
{
if (record != null)
{
WorkFlows wfs = new WorkFlows();
Mission ms = wfs.GetWFEntityLastMission(EntityID);
List<Process_Record> res = new List<Process_Record>();
foreach (var re in record)
{
if (GetRecordItems().ContainsKey(re.Key))
{
Process_Record pre = new Process_Record();
pre.Re_Name = re.Key;
pre.Re_Value = re.Value;
res.Add(pre);
}
}
wfs.LinkRecordInfoToMiss(ms.Miss_Id, res);
}
}
return m_events[m_courrentEvent].currentaction + @"/?wfe_id=" + m_entityID;
}
//发送消息到工作流
public static void SubmitSignal(int wfe_id, IDictionary <string, string> signal, IDictionary <string, string> record = null)
{
WorkFlows wfs = new WorkFlows();
WorkFlow_Entity wfe = wfs.GetWorkFlowEntity(wfe_id);
//如果该工作流处于非激活状态，则不能向其发送信息
if (wfe.WE_Status != WE_STATUS.ACTIVE)
{
return;
}
CWorkFlow wf = new CWorkFlow();
XmlDocument doc = new XmlDocument();
doc.LoadXml(Encoding.Default.GetString(wfe.WE_Binary));
wf.InstFromXmlNode(doc.DocumentElement);
wf.EntityID = wfe.WE_Id;
string preState = wf.GetCurrentState();
JArray ja = new JArray();
foreach (var s in signal)
{
JObject jo = new JObject();
jo.Add("name", s.Key);
jo.Add("value", s.Value);
ja.Add(jo);
}
wf.SubmitSignal(JsonConvert.SerializeObject(ja));
//如果preEvent为subprocess
IEvent preEvent = wf.GetCurrentEvent();
if (preEvent.GetType().Name == "CSubProcessEvent")
{
Post_processSubprocess(preEvent, record);
//wf.SubmitSignal("[]");
}
//状态发生了迁移
if (wf.GetCurrentState() != preState)
{
if (record != null)
{
Mission ms = wfs.GetWFEntityLastMission(wf.EntityID);
List <Process_Record> res = new List <Process_Record>();
foreach (var re in record)
{
//如果record中包含事件定义的需要记录的record item则记录到数据库中
if (wf.GetRecordItems().ContainsKey(re.Key))
{
Process_Record pre = new Process_Record();
pre.Re_Name = re.Key;
pre.Re_Value = re.Value;
res.Add(pre);
}
}
wfs.LinkRecordInfoToMiss(ms.Miss_Id, res);
}
//如果当前工作流是子流程，且已执行到End
if (wf.GetCurrentEvent().GetType().Name == "CEndEvent" && wf.ParentEntityID != -1)
{
WorkFlow_Entity P_wfe = wfs.GetWorkFlowEntity(wf.ParentEntityID);
CWorkFlow P_wf = new CWorkFlow();
XmlDocument P_doc = new XmlDocument();
P_doc.LoadXml(Encoding.Default.GetString(P_wfe.WE_Binary));
P_wf.InstFromXmlNode(P_doc.DocumentElement);
P_wf.EntityID = P_wfe.WE_Id;
P_wf.GetCurrentState();
}
}
//如果当前时间为subprocess
if (preEvent.GetType().Name == "CSubProcessEvent")
{
//如果该子事件的工作模式为并行的， 则需要发送一个信号，激励其自动运行一次
if (((CSubProcessEvent)preEvent).WorkingMode == "parallel")
{
SubmitSignal(wfe_id, new Dictionary <string, string>(), record);
}
}
}