private void SendToLispMinerAsync(string userId, MiningTask task,
List <Discretization> discretizations, int rowCount, List <EquivalencyClass> eqClasses)
{
var service = new PmmlService(_configuration);
var minerId = task.DataSet.MinerId;
bool?preprocessed = null;
if (minerId == null)
{
preprocessed = false;
var minerIdResponse = _lmConnector.GetMinerId(userId, task);
var newMinerId = PmmlService.GetMinerId(minerIdResponse);
if (newMinerId == null)
{
_data.SetTaskState(userId, task.Id, (int)TaskState.Failed,
"OLAP Recommender was unable to obtain miner id from LISP Miner. Response: " + minerIdResponse);
return;
}
else
{
task.DataSet.MinerId = newMinerId;
_data.SetMinerId(userId, task.DataSet.Id, newMinerId);
}
}
if (preprocessed == null)
{
preprocessed = task.DataSet.Preprocessed;
}
var preprocessingPmml = service.GetPreprocessingPmml(task, discretizations, rowCount);
if ((bool)!preprocessed)
{
preprocessed = _lmConnector.SendPreprocessing(userId, task, preprocessingPmml);
}
if ((bool)preprocessed)
{
var taskPmml = service.GetTaskPmml(task, eqClasses, rowCount);
while (true)
{
var responseOk = _lmConnector.SendTask(userId, task, taskPmml, preprocessingPmml);
if (responseOk)
{
var resultsFile = _lmConnector.GetTaskResultsFile(task.Name);
var resultService = new PmmlService(_configuration, resultsFile);
var taskState = resultService.GetTaskState();
if (taskState == TaskState.Started)
{
Thread.Sleep(TimeSpan.FromMinutes(2));
}
else if (taskState == TaskState.Finished)
{
_data.SetTaskState(userId, task.Id, (int)TaskState.Finished);
SaveTaskResults(task.Name, task.DataSet.Id, task.Id);
break;
}
else if (taskState == TaskState.Interrupted)
{
_data.SetTaskState(userId, task.Id, (int)TaskState.Interrupted, "Hypotheses count too high, define higher Lift or Base to obtain less rules.");
SaveTaskResults(task.Name, task.DataSet.Id, task.Id);
break;
}
else
{
_data.SetTaskState(userId, task.Id, (int)TaskState.Failed, "Task failed due to an unknown reason in Lisp Miner.");
break;
}
}
else
{
break;
}
}
}
}
