/// <summary>
/// Create a HIT from a stored template.
/// </summary>
/// <param name="hitId">The Hit Id</param>
public void CreateHit(int hitId)
{
using (var ctx = new TurkRContext())
{
var hit = ctx.Hits.FirstOrDefault(h => h.HitId == hitId);
if (hit != null)
{
SimpleClient myClient = new SimpleClient(_mturkConfig);
// Setup qualifications
List<QualificationRequirement> qualifications = new List<QualificationRequirement>();
// First register the HitType
string hitTypeId = myClient.RegisterHITType(hit.Title, hit.Description, (long)hit.AutoApprovalDelay, (long)hit.Duration, (decimal)hit.Reward, hit.Keywords, qualifications);
// Define the external question
ExternalQuestion eq = new ExternalQuestion();
eq.ExternalURL = "https://www.descil.ethz.ch/apps/turkr/start/" + hit.HitCode;
eq.FrameHeight = "800";
// More definitions
string requesterAnnotation = hit.HitCode;
string[] responseGroup = null;
// Creat the HIT
var amtHit = myClient.CreateHIT(hitTypeId, hit.Title, hit.Description, hit.Keywords, eq, (decimal)hit.Reward, (long)hit.Duration, (long)hit.AutoApprovalDelay, (long)hit.Lifetime, hit.Assignments, requesterAnnotation, qualifications, responseGroup);
hit.AmtHitId = amtHit.HITId;
hit.CreationTime = DateTime.UtcNow;
ctx.SaveChanges();
}
}
}
public void Execute(AnalysisExecutionContext context)
{
_context = context;
if (context.Results.Count <= 0)
{
context.OnExecutionProgress("MechanicalTurk", new AnalysisExecutionProgressEventArgs(AnalysisExecutionStatus.Canceled, 0, 0, 0));
return;
}
MechanicalTurkSettings settings = context.CustomField as MechanicalTurkSettings;
if (settings == null)
settings = new MechanicalTurkSettings(null, 3, new decimal(0.10), 300, 1800, 75);
string key = context.Key;
string secret = context.Secret;
MTurkConfig config = new MTurkConfig(_serviceURL, key, secret);
SimpleClient client = new SimpleClient(config);
List<QualificationRequirement> requirements = new List<QualificationRequirement>();
QualificationRequirement sucRequirement = new QualificationRequirement();
sucRequirement.QualificationTypeId = MTurkSystemQualificationTypes.ApprovalRateQualification;
sucRequirement.IntegerValueSpecified = true;
sucRequirement.IntegerValue = settings.PercentOfSuccess;
sucRequirement.Comparator = Comparator.GreaterThanOrEqualTo;
requirements.Add(sucRequirement);
if (settings.Locale != null)
{
QualificationRequirement qualReq = new QualificationRequirement();
qualReq.LocaleValue = new Locale() { Country = settings.Locale };
qualReq.Comparator = Comparator.EqualTo;
qualReq.QualificationTypeId = MTurkSystemQualificationTypes.LocaleQualification;
requirements.Add(qualReq);
}
string hitType = string.Empty;
try
{
if (context.UseDebugMode)
{
TimeSpan time = TimeSpan.Zero;
hitType = BenchmarkHelper.Invoke(new InvokeBenchmarkHandler(delegate(object state)
{
return hitType = client.RegisterHITType("Sentiment analysis", "Judge the sentiment expressed by the following text.",
settings.TimeToApprove, settings.TimeToFinish, settings.Reward, "sentiment nlp", requirements);
}), null, out time) as string;
Console.WriteLine("MechanicalTurk: HIT type for sentiment analysis has been created. HIT type ID is: {0} Execution time is: {1}", hitType, time.TotalMilliseconds);
}
else
hitType = client.RegisterHITType("Sentiment analysis", "Judge the sentiment expressed by the following text.",
settings.TimeToApprove, settings.TimeToFinish, settings.Reward, "sentiment, nlp", requirements);
NotificationSpecification notification = new NotificationSpecification();
notification.Transport = NotificationTransport.Email;
notification.EventType = new EventType[] { EventType.AssignmentReturned };
notification.Destination = settings.Email;
notification.Version = "2006-05-05";
if (settings.Email != null)
client.SetHITTypeNotification(hitType, notification, true);
else
{
notification.Destination = "*****@*****.**";
client.SetHITTypeNotification(hitType, notification, false);
}
}
catch (Exception ex)
{
AnalysisExecutionProgressEventArgs ea = new AnalysisExecutionProgressEventArgs(AnalysisExecutionStatus.Failed, context.Results.Count, 0, 0);
ea.Reason = ex.Message;
context.OnExecutionProgress("MechanicalTurk", ea);
if (ea.Cancel)
return;
}
string questionFile = Path.Combine(AppDomain.CurrentDomain.SetupInformation.ApplicationBase, "SentimentTemplate.xml");
string template = File.ReadAllText(questionFile);
QuestionForm formTemplate = QuestionUtil.DeserializeQuestionForm(template);
int processed = 0;
int failed = 0;
foreach (KeyValuePair<string, ResultSet> document in context.Results)
{
formTemplate.Question[0].QuestionIdentifier = document.Key;
formTemplate.Question[0].QuestionContent.Items[0] = Encoding.UTF8.GetString(Encoding.Default.GetBytes(document.Value.Source));
string question = QuestionUtil.SerializeQuestionForm(formTemplate);
HIT hit = new HIT();
hit.Expiration = DateTime.Now.AddDays(1);
hit.ExpirationSpecified = true;
hit.HITGroupId = "SentimentAnalysis";
hit.HITTypeId = hitType;
hit.MaxAssignments = settings.Assignments;
hit.MaxAssignmentsSpecified = true;
hit.Question = question;
HIT serverHit = null;
try
{
processed++;
if (context.UseDebugMode)
{
TimeSpan time = TimeSpan.Zero;
serverHit = BenchmarkHelper.Invoke(new InvokeBenchmarkHandler(delegate(object state)
{
return client.CreateHIT(hit);
}), null, out time) as HIT;
Console.WriteLine("MechanicalTurk: HIT {0} has been sent to Mechanical turk for processing. Execution time is: {1}", serverHit.HITId, time.TotalMilliseconds);
}
else
serverHit = client.CreateHIT(hit);
document.Value.AddOutput("MechanicalTurk", settings.Assignments, serverHit.HITId);
AnalysisExecutionProgressEventArgs e = new AnalysisExecutionProgressEventArgs(AnalysisExecutionStatus.Processed, context.Results.Count, processed, failed);
context.OnExecutionProgress("MechanicalTurk", e);
if (e.Cancel)
break;
}
catch (Exception ex)
{
failed++;
document.Value.AddOutput("MechanicalTurk", 0, "failed");
AnalysisExecutionProgressEventArgs ea = new AnalysisExecutionProgressEventArgs(AnalysisExecutionStatus.Failed, context.Results.Count, processed, failed);
ea.Reason = ex.Message;
context.OnExecutionProgress("MechanicalTurk", ea);
if (ea.Cancel)
break;
}
}
context.OnExecutionProgress("MechanicalTurk", new AnalysisExecutionProgressEventArgs(AnalysisExecutionStatus.Success, context.Results.Count, processed, failed));
}