public string TurnOff(IoT_Meter meter, string reason, string oper)
{
//
string taskID;
string result = "";
//1、在通讯层注册关阀任务，成功返回空，输出参数为本次注册的任务ID
result = M_ValveControlSevice.TurnOff(meter, out taskID);
//2、在数据库中登记关阀操作
IoT_ValveControl valve = new IoT_ValveControl();
valve.CompanyID = meter.CompanyID;
valve.MeterID = meter.ID;
valve.MeterNo = meter.MeterNo;
valve.RegisterDate = DateTime.Now;
valve.State = '0';
valve.TaskID = taskID;
valve.UserID = meter.UserID;
valve.Reason = reason;
valve.Oper = oper;
valve.ControlType = Convert.ToChar(((byte)ValveControlType.关阀).ToString());
result = Insert(valve);
return(result);
}
public string ValveControlFinished(string taskID, string taskType, TaskState state)
{
string result = "";
//1、向通讯层更新任务执行状态。
result = M_ValveControlSevice.ValveControlFinished(taskID, state);
if (result != "")
{
return(result);
}
//2、在数据库登记
string configName = System.Configuration.ConfigurationManager.AppSettings["defaultDatabase"];
//Linq to SQL 上下文对象
DataContext dd = new DataContext(System.Configuration.ConfigurationManager.ConnectionStrings[configName].ConnectionString);
try
{
IoT_ValveControl dbinfo = dd.GetTable <IoT_ValveControl>().Where(p =>
p.TaskID == taskID).SingleOrDefault();
if (dbinfo == null)
{
return("阀门控制任务不存在。");
}
dbinfo.State = '2';//任务完成
dbinfo.FinishedDate = DateTime.Now;
dbinfo.Context = "";
//修改阀门状态
IoT_Meter meterInfo = dd.GetTable <IoT_Meter>().Where(p => p.MeterNo == dbinfo.MeterNo).SingleOrDefault();
meterInfo.ValveState = taskType == "KF"?'0':'1';
dd.SubmitChanges();
}
catch (Exception e)
{
return(e.Message);
}
return(result);
}
public string Undo(string taskID, string context)
{
string result = "";
//TODO:在做撤销操作前，应先通知通讯调度中心，撤销当前任务，如任务已执行，则本次撤销操作失败。
//1、向通讯层提交任务撤销请求,返回空表示撤销任务成功。
result = M_ValveControlSevice.Undo(taskID);
if (result != "")
{
return(result);
}
//2、在数据库登记撤销
string configName = System.Configuration.ConfigurationManager.AppSettings["defaultDatabase"];
//Linq to SQL 上下文对象
DataContext dd = new DataContext(System.Configuration.ConfigurationManager.ConnectionStrings[configName].ConnectionString);
try
{
IoT_ValveControl dbinfo = dd.GetTable <IoT_ValveControl>().Where(p =>
p.TaskID == taskID).SingleOrDefault();
if (dbinfo == null)
{
return("阀门控制任务不存在。");
}
dbinfo.State = '1'; //任务撤销
dbinfo.FinishedDate = DateTime.Now;
dbinfo.Context = context; //撤销原因
dd.SubmitChanges();
}
catch (Exception e)
{
return(e.Message);
}
return(result);
}
