public void ProcessTask(TaskManager.TaskDetails oTask, out List <string> lsLogs, out string sOutput, out string sStatus)
{
// cast input values
TransportReference oReference = new TransportReference();
oReference = (TransportReference)oDF.XmlStringToObject(oTask.ReferenceValues, oReference);
TransportOutput oOutput = new TransportOutput();
// call processing algorithm
GAMSWorkspace ws = new GAMSWorkspace();
// fill GAMSDatabase by reading from Access
GAMSDatabase db = ReadFromDatabase(ws, oReference.Identifier);
// run job
using (GAMSOptions opt = ws.AddOptions())
{
GAMSJob t9 = ws.AddJobFromString(GetModelText());
opt.Defines.Add("gdxincname", db.Name);
opt.AllModelTypes = "xpress";
t9.Run(opt, db);
foreach (GAMSVariableRecord rec in t9.OutDB.GetVariable("z"))
{
oOutput.TransportCost = rec.Level;
}
// write results into Access file
WriteToDatabase(ws, t9.OutDB, oReference.Identifier);
}
// submit results
sOutput = oDF.ObjectToXmlString(oOutput);
sStatus = "completed";
lsLogs = lsLog;
}
private void WorkerDoWork(object sender, DoWorkEventArgs e)
{
TaskManager.TaskDetails oTask = (TaskManager.TaskDetails)e.Argument;
lsLog.Clear();
try
{
string sOutput = "", sStatus = "";
OptimizationAlgorithm oProcess = new OptimizationAlgorithm();
oProcess.ProcessTask(oTask, out lsLog, out sOutput, out sStatus);
string sLogs = oDF.ObjectToXmlString(lsLog);
oTM.SubmitResult(oTask.TaskID, sOutput, sLogs, sStatus);
}
catch (Exception ex)
{
lsLog.Add("Exception:" + ex.Message);
string sLogs = oDF.ObjectToXmlString(lsLog);
oTM.SubmitResult(oTask.TaskID, null, sLogs, "failed");
}
}
private void TimerTick(object sender, EventArgs e)
{
if (IsTaskServerActive())
{
// check for available tasks
TaskManager.TaskDetails oTask = oTM.GetTask("TransportBot01", "transport");
if (oTask != null)
{
// if a task is available take it
AddLogItem("Task Received : " + oTask.Name + ". Probing Stopped.");
oTimer.Stop();
oWorker.RunWorkerAsync(oTask);
}
else
{
AddLogItem("No Tasks Available. Probing will continue.");
}
}
else
{
AddLogItem("Task Server InAccessible. Probing will continue.");
}
}
