private Classifier CreateClassifier()
{
Classifier classifier = null;
try
{
using (FileStream positiveExamplesStream = File.OpenRead(_localGiraffePositiveExamplesFilePath), negativeExamplesStream = File.OpenRead(_localNegativeExamplesFilePath))
{
Dictionary <string, Stream> positiveExamples = new Dictionary <string, Stream>();
positiveExamples.Add(_giraffeClassname, positiveExamplesStream);
CreateClassifier createClassifier = new CreateClassifier(_createdClassifierName, positiveExamples, negativeExamplesStream);
classifier = _service.CreateClassifier(createClassifier);
}
}
catch (Exception e)
{
if (_trainRetries > 0)
{
_trainRetries--;
CreateClassifier();
}
else
{
throw e;
}
}
return(classifier);
}
private Classifier CreateClassifier(CreateClassifier createClassifier, Dictionary <string, object> customData = null)
{
Console.WriteLine("\nAttempting to CreateClassifier()");
var result = _service.CreateClassifier(createClassifier: createClassifier, customData: customData);
if (result != null)
{
Console.WriteLine("CreateClassifier() succeeded:\n{0}", JsonConvert.SerializeObject(result, Formatting.Indented));
}
else
{
Console.WriteLine("Failed to CreateClassifier()");
}
return(result);
}
public async Task <Classifier> Create(CreateClassifier request)
{
request.UserUid = _currentUserProvider.GetUserUid();
return(await _mediator.Send(request));
}
public void TestClassifiers_Success()
{
var listClassifiersResult = ListClassifiers();
Classifier createClassifierResult = null;
using (FileStream positiveExamplesStream = File.OpenRead(_localGiraffePositiveExamplesFilePath), negativeExamplesStream = File.OpenRead(_localNegativeExamplesFilePath))
{
Dictionary <string, Stream> positiveExamples = new Dictionary <string, Stream>();
positiveExamples.Add(_giraffeClassname, positiveExamplesStream);
CreateClassifier createClassifier = new CreateClassifier(_createdClassifierName, positiveExamples, negativeExamplesStream);
createClassifierResult = _service.CreateClassifier(createClassifier);
}
string createdClassifierId = createClassifierResult.ClassifierId;
var getClassifierResult = GetClassifier(createdClassifierId);
try
{
IsClassifierReady(createdClassifierId);
}
catch (Exception e)
{
Console.WriteLine("Failed to get classifier...");
}
autoEvent.WaitOne();
Classifier updateClassifierResult = null;
var retrainRetries = 0;
try
{
using (FileStream positiveExamplesStream = File.OpenRead(_localTurtlePositiveExamplesFilePath))
{
Dictionary <string, Stream> positiveExamples = new Dictionary <string, Stream>();
positiveExamples.Add(_turtleClassname, positiveExamplesStream);
UpdateClassifier updateClassifier = new UpdateClassifier(createdClassifierId, positiveExamples);
updateClassifierResult = _service.UpdateClassifier(updateClassifier);
}
}
catch (Exception e)
{
retrainRetries++;
if (retrainRetries < 3)
{
Console.WriteLine("Retraining failed. Retrying...");
using (FileStream positiveExamplesStream = File.OpenRead(_localTurtlePositiveExamplesFilePath))
{
Dictionary <string, Stream> positiveExamples = new Dictionary <string, Stream>();
positiveExamples.Add(_turtleClassname, positiveExamplesStream);
UpdateClassifier updateClassifier = new UpdateClassifier(createdClassifierId, positiveExamples);
updateClassifierResult = _service.UpdateClassifier(updateClassifier);
}
}
else
{
Console.WriteLine("Retraining failed. Out of retries...");
}
}
try
{
IsClassifierReady(createdClassifierId);
}
catch (Exception e)
{
Console.WriteLine("Failed to get classifier...");
}
autoEvent.WaitOne();
var deleteClassifierResult = DeleteClassifier(createdClassifierId);
Assert.IsNotNull(deleteClassifierResult);
Assert.IsNotNull(updateClassifierResult);
Assert.IsTrue(updateClassifierResult.ClassifierId == createdClassifierId);
Assert.IsNotNull(getClassifierResult);
Assert.IsTrue(getClassifierResult.ClassifierId == createdClassifierId);
Assert.IsNotNull(createClassifierResult);
Assert.IsTrue(createClassifierResult.Name == _createdClassifierName);
Assert.IsNotNull(listClassifiersResult);
}
