//获得工作流实体的当前任务
public static UI_MISSION GetActiveMission <T>(int entity_id, ObjectContext oc, bool bAuthCheck = true)
{
UI_MISSION miss = new UI_MISSION();
WorkFlows wfs = new WorkFlows();
WorkFlow_Entity wfe = wfs.GetWorkFlowEntity(entity_id);
miss.WE_Entity_Id = wfe.WE_Id;
miss.WE_Name = wfs.GetWorkFlowEntityName(wfe.WE_Id);
miss.WE_Entity_Ser = wfe.WE_Ser;
//恢复工作流实体
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;
//权限验证
if (bAuthCheck)
{
IEvent ev = wf.GetCurrentEvent();
if (!ev.CheckAuthority <T>((Dictionary <string, object>)HttpContext.Current.Session[authority_params], oc))
{
return(null);
}
}
miss.WE_Event_Name = wf.GetCurrentEvent().name;
miss.WE_Event_Desc = wf.GetCurrentEvent().description;
miss.Mission_Url = wf.CurrentEventLink();
//读取参数的值
foreach (var pa in wf.GetCurrentEvent().paramlist)
{
miss.Miss_Params[pa.Key] = pa.Value.value;
miss.Miss_ParamsAppRes[pa.Key] = wf.GetCurrentEvent().paramsApp_res[pa.Key];
}
return(miss);
}
/// <summary>
/// 检查SubProcess的状态
/// </summary>
private void CheckSubEventStatus()
{
//如果当前状态是SubProcess， 则要检测子时间是否已经执行完毕，
//若已经执行完毕，则需要将返回值从子事件中取回
if (m_events[m_courrentEvent].GetType().Name == "CSubProcessEvent")
{
CSubProcessEvent subE = (CSubProcessEvent)(m_events[m_courrentEvent]);
WorkFlows wfs = new WorkFlows();
WorkFlow_Entity wfe = wfs.GetWorkFlowEntity(subE.WfEntityId);
//自流程已执行完成
if (wfe.WE_Status == WE_STATUS.DONE)
{
CWorkFlow subWf = new CWorkFlow();
XmlDocument doc = new XmlDocument();
doc.LoadXml(Encoding.Default.GetString(wfs.GetWorkFlowEntity(subE.WfEntityId).WE_Binary));
subWf.InstFromXmlNode(doc.DocumentElement);
subWf.EntityID = subE.WfEntityId;
IEvent subEnd = subWf.GetCurrentEvent();
//将变量返回回来
foreach (var p in subE.m_paramsFrom)
{
subE.paramlist[p.Key].value = subEnd.paramlist[p.Value].value;
}
//若子工作流的工作方式为串行， 则父工作流在子流程完成后继续向下执行
if (subE.WorkingMode == "serial")
{
StateTransfer("");
if (m_events[m_courrentEvent].GetType().Name == "CEndEvent")
{
//将该工作流置为已完成（结束）
UpdateEntity(WE_STATUS.DONE);
//2016.1.3 添加子事件返回
}
else
//更新工作流到数据库，不改变状态
UpdateEntity(WE_STATUS.INVALID);
}
}
}
}
//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);
}
}
}
