/// <summary>
/// Creates a QiType in the remote Qi Service. QiTypes are required by QiStreams and cannot be deleted while so referenced.
/// </summary>
/// <param name="typeDef">QiType object defining a user-defined type with properties</param>
/// <returns>void</returns>
public async Task <string> CreateType(QiType typeDef)
{
HttpRequestMessage msg = new HttpRequestMessage
{
RequestUri = new Uri(_baseUrl + _typesBase),
Method = HttpMethod.Post,
};
string token = AcquireAuthToken();
msg.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
string content = JsonConvert.SerializeObject(typeDef);
msg.Content = new StringContent(content, Encoding.UTF8, "application/json");
HttpResponseMessage response = await _httpClient.SendAsync(msg);
if (!response.IsSuccessStatusCode)
{
throw new QiError(response.StatusCode, "Error creating Type with id " + typeDef.Id);
}
else
{
return(await response.Content.ReadAsStringAsync());
}
}
static void Main(string[] args)
{
// Instantiate the REST client
Console.WriteLine("Creating a Qi REST API Client...");
string server = ConfigurationManager.AppSettings["QiServerUrl"];
QiClient qiclient = new QiClient(server);
QiType evtType = null;
try
{
// create types for int and double, then create properties for all the WaveData properties
Console.WriteLine("Creating a Qi type for WaveData instances");
QiType intType = new QiType();
intType.Id = "intType";
intType.QiTypeCode = QiTypeCode.Int32;
QiType doubleType = new QiType();
doubleType.Id = "doubleType";
doubleType.QiTypeCode = QiTypeCode.Double;
QiTypeProperty orderProperty = new QiTypeProperty();
orderProperty.Id = "Order";
orderProperty.QiType = intType;
orderProperty.IsKey = true;
QiTypeProperty tauProperty = new QiTypeProperty();
tauProperty.Id = "Tau";
tauProperty.QiType = doubleType;
QiTypeProperty radiansProperty = new QiTypeProperty();
radiansProperty.Id = "Radians";
radiansProperty.QiType = doubleType;
QiTypeProperty sinProperty = new QiTypeProperty();
sinProperty.Id = "Sin";
sinProperty.QiType = doubleType;
QiTypeProperty cosProperty = new QiTypeProperty();
cosProperty.Id = "Cos";
cosProperty.QiType = doubleType;
QiTypeProperty tanProperty = new QiTypeProperty();
tanProperty.Id = "Tan";
tanProperty.QiType = doubleType;
QiTypeProperty sinhProperty = new QiTypeProperty();
sinhProperty.Id = "Sinh";
sinhProperty.QiType = doubleType;
QiTypeProperty coshProperty = new QiTypeProperty();
coshProperty.Id = "cosh";
coshProperty.QiType = doubleType;
QiTypeProperty tanhProperty = new QiTypeProperty();
tanhProperty.Id = "Tanh";
tanhProperty.QiType = doubleType;
// Create a QiType for our WaveData class; the metadata proeprties are the ones we just created
QiType type = new QiType();
type.Name = "WaveData";
type.Id = "WaveDataType";
type.Description = "This is a sample stream for storing WaveData type events";
QiTypeProperty[] props = {orderProperty, tauProperty, radiansProperty, sinProperty, cosProperty, tanProperty, sinhProperty, coshProperty, tanhProperty};
type.Properties = props;
// create the type in the Qi Service
string evtTypeString = qiclient.CreateType(type).Result;
evtType = JsonConvert.DeserializeObject<QiType>(evtTypeString);
// create a stream named evtStream
Console.WriteLine("Creating a stream in this tenant for simple event measurements");
QiStream stream = new QiStream("evtStream", evtType.Id);
string evtStreamString = qiclient.CreateStream(stream).Result;
QiStream evtStream = JsonConvert.DeserializeObject<QiStream>(evtStreamString);
#region CRUD operations
#region Create (Insert)
Console.WriteLine("Artificially generating 100 events and inserting them into the Qi Service");
// How to insert a single event
TimeSpan span = new TimeSpan(0, 1, 0);
WaveData evt = WaveData.Next(span, 2.0, 0);
qiclient.CreateEvent("evtStream", JsonConvert.SerializeObject(evt)).Wait();
List<WaveData> events = new List<WaveData>();
// how to insert an a collection of events
for (int i = 2; i < 200; i+=2)
{
evt = WaveData.Next(span, 2.0, i);
events.Add(evt);
Thread.Sleep(400);
}
qiclient.CreateEvents("evtStream", JsonConvert.SerializeObject(events)).Wait();
Thread.Sleep(2000);
#endregion
#region Retrieve events
Console.WriteLine("Retrieving the inserted events");
Console.WriteLine("==============================");
string jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
WaveData[] foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region Update events
Console.WriteLine();
Console.WriteLine("Updating values");
// take the first value inserted and update
evt = foundEvents.First<WaveData>();
evt = WaveData.Next(span, 4.0, 0);
qiclient.UpdateValue("evtStream", JsonConvert.SerializeObject(evt)).Wait();
// update the remaining events (same span, multiplier, order)
List<WaveData> newEvents = new List<WaveData>();
foreach (WaveData evnt in events)
{
WaveData newEvt = WaveData.Next(span, 4.0, evnt.Order);
newEvents.Add(newEvt);
Thread.Sleep(500);
}
qiclient.UpdateValues("evtStream", JsonConvert.SerializeObject(events)).Wait();
Thread.Sleep(2000);
// check the results
Console.WriteLine("Retrieving the updated values");
Console.WriteLine("=============================");
jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region stream behavior
// illustrate how stream behaviors modify retrieval
// First, pull three items back with GetRangeValues for range values between events.
// The default behavior is continuous, so ExactOrCalculated should bring back interpolated values
Console.WriteLine();
Console.WriteLine(@"Retrieving three events without a stream behavior");
jCollection = qiclient.GetRangeValues("evtStream", "1", 0, 3, false, QiBoundaryType.ExactOrCalculated).Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
// now, create a stream behavior with Discrete and attach it to the existing stream
QiStreamBehavior behavior = new QiStreamBehavior();
behavior.Id = "evtStreamStepLeading";
behavior.Mode = QiStreamMode.StepwiseContinuousLeading;
string behaviorString = qiclient.CreateBehavior(behavior).Result;
behavior = JsonConvert.DeserializeObject<QiStreamBehavior>(behaviorString);
// update the stream to include this behavior
evtStream.BehaviorId = behavior.Id;
qiclient.UpdateStream("evtStream", evtStream).Wait();
// repeat the retrieval
Console.WriteLine();
Console.WriteLine("Retrieving three events with a stepwise stream behavior in effect -- compare to last retrieval");
jCollection = qiclient.GetRangeValues("evtStream", "1", 0, 3, false, QiBoundaryType.ExactOrCalculated).Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region delete events
// remove the first value -- index is the timestamp of the event
Console.WriteLine();
Console.WriteLine("Deleting events");
qiclient.RemoveValue("evtStream", "0").Wait();
// remove the rest -- start and end time indices
qiclient.RemoveWindowValues("evtStream", "1", "198").Wait();
Thread.Sleep(2000);
Console.WriteLine("Checking for events");
Console.WriteLine("===================");
jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#endregion
}
catch (QiError qerr)
{
Console.WriteLine("Error, status code = " + qerr.Code.ToString() + "; " + qerr.Message);
Console.WriteLine("Press ENTER to terminate");
Console.ReadLine();
}
finally
{
try
{
qiclient.DeleteStream("evtStream").Wait();
qiclient.DeleteBehavior("evtStreamStepLeading").Wait();
qiclient.DeleteType(evtType.Id).Wait();
}
catch (Exception)
{
}
}
}
/// <summary>
/// Creates a QiType in the remote Qi Service. QiTypes are required by QiStreams and cannot be deleted while so referenced.
/// </summary>
/// <param name="typeDef">QiType object defining a user-defined type with properties</param>
/// <returns>void</returns>
public async Task<string> CreateType(QiType typeDef)
{
HttpRequestMessage msg = new HttpRequestMessage
{
RequestUri = new Uri(_baseUrl + _typesBase),
Method = HttpMethod.Post,
};
string token = AcquireAuthToken();
msg.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token);
string content = JsonConvert.SerializeObject(typeDef);
msg.Content = new StringContent(content, Encoding.UTF8, "application/json");
HttpResponseMessage response = await _httpClient.SendAsync(msg);
if (!response.IsSuccessStatusCode)
{
throw new QiError(response.StatusCode, "Error creating Type with id " + typeDef.Id);
}
else
{
return await response.Content.ReadAsStringAsync();
}
}
/// <summary>
/// Creates a QiType in the remote Qi Service. QiTypes are required by QiStreams and cannot be deleted while so referenced.
/// </summary>
/// <param name="typeDef">QiType object defining a user-defined type with properties</param>
/// <returns>void</returns>
public async Task <string> CreateTypeAsync(QiType typeDef)
{
return(await CreateQiObjectAsync <QiType>(_baseUrl + RestSampleStrings.TypesBaseUrl, typeDef));
}
static void Main(string[] args)
{
// Instantiate the REST client
Console.WriteLine("Creating a Qi REST API Client...");
string server = ConfigurationManager.AppSettings["QiServerUrl"];
QiClient qiclient = new QiClient(server);
QiType evtType = null;
try
{
// create types for int and double, then create properties for all the WaveData properties
Console.WriteLine("Creating a Qi type for WaveData instances");
QiType intType = new QiType();
intType.Id = "intType";
intType.QiTypeCode = QiTypeCode.Int32;
QiType doubleType = new QiType();
doubleType.Id = "doubleType";
doubleType.QiTypeCode = QiTypeCode.Double;
QiTypeProperty orderProperty = new QiTypeProperty();
orderProperty.Id = "Order";
orderProperty.QiType = intType;
orderProperty.IsKey = true;
QiTypeProperty tauProperty = new QiTypeProperty();
tauProperty.Id = "Tau";
tauProperty.QiType = doubleType;
QiTypeProperty radiansProperty = new QiTypeProperty();
radiansProperty.Id = "Radians";
radiansProperty.QiType = doubleType;
QiTypeProperty sinProperty = new QiTypeProperty();
sinProperty.Id = "Sin";
sinProperty.QiType = doubleType;
QiTypeProperty cosProperty = new QiTypeProperty();
cosProperty.Id = "Cos";
cosProperty.QiType = doubleType;
QiTypeProperty tanProperty = new QiTypeProperty();
tanProperty.Id = "Tan";
tanProperty.QiType = doubleType;
QiTypeProperty sinhProperty = new QiTypeProperty();
sinhProperty.Id = "Sinh";
sinhProperty.QiType = doubleType;
QiTypeProperty coshProperty = new QiTypeProperty();
coshProperty.Id = "cosh";
coshProperty.QiType = doubleType;
QiTypeProperty tanhProperty = new QiTypeProperty();
tanhProperty.Id = "Tanh";
tanhProperty.QiType = doubleType;
// Create a QiType for our WaveData class; the metadata proeprties are the ones we just created
QiType type = new QiType();
type.Name = "WaveData";
type.Id = "WaveDataType";
type.Description = "This is a sample stream for storing WaveData type events";
QiTypeProperty[] props = {orderProperty, tauProperty, radiansProperty, sinProperty, cosProperty, tanProperty, sinhProperty, coshProperty, tanhProperty};
type.Properties = props;
// create the type in the Qi Service
string evtTypeString = qiclient.CreateType(type).Result;
evtType = JsonConvert.DeserializeObject<QiType>(evtTypeString);
// create a stream named evtStream
Console.WriteLine("Creating a stream in this tenant for simple event measurements");
QiStream stream = new QiStream("evtStream", evtType.Id);
string evtStreamString = qiclient.CreateStream(stream).Result;
QiStream evtStream = JsonConvert.DeserializeObject<QiStream>(evtStreamString);
#region CRUD operations
#region Create (Insert)
Console.WriteLine("Artificially generating 100 events and inserting them into the Qi Service");
// How to insert a single event
TimeSpan span = new TimeSpan(0, 1, 0);
WaveData evt = WaveData.Next(span, 2.0, 0);
qiclient.CreateEvent("evtStream", JsonConvert.SerializeObject(evt)).Wait();
List<WaveData> events = new List<WaveData>();
// how to insert an a collection of events
for (int i = 2; i < 200; i+=2)
{
evt = WaveData.Next(span, 2.0, i);
events.Add(evt);
Thread.Sleep(400);
}
qiclient.CreateEvents("evtStream", JsonConvert.SerializeObject(events)).Wait();
Thread.Sleep(2000);
#endregion
#region Retrieve events
Console.WriteLine("Retrieving the inserted events");
Console.WriteLine("==============================");
string jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
WaveData[] foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region Update events
Console.WriteLine();
Console.WriteLine("Updating values");
// take the first value inserted and update
evt = foundEvents.First<WaveData>();
evt = WaveData.Next(span, 4.0, 0);
qiclient.UpdateValue("evtStream", JsonConvert.SerializeObject(evt)).Wait();
// update the remaining events (same span, multiplier, order)
List<WaveData> newEvents = new List<WaveData>();
foreach (WaveData evnt in events)
{
WaveData newEvt = WaveData.Next(span, 4.0, evnt.Order);
newEvents.Add(newEvt);
Thread.Sleep(500);
}
qiclient.UpdateValues("evtStream", JsonConvert.SerializeObject(events)).Wait();
Thread.Sleep(2000);
// check the results
Console.WriteLine("Retrieving the updated values");
Console.WriteLine("=============================");
jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region stream behavior
// illustrate how stream behaviors modify retrieval
// First, pull three items back with GetRangeValues for range values between events.
// The default behavior is continuous, so ExactOrCalculated should bring back interpolated values
Console.WriteLine();
Console.WriteLine(@"Retrieving three events without a stream behavior");
jCollection = qiclient.GetRangeValues("evtStream", "1", 0, 3, false, QiBoundaryType.ExactOrCalculated).Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
// now, create a stream behavior with Discrete and attach it to the existing stream
QiStreamBehavior behavior = new QiStreamBehavior();
behavior.Id = "evtStreamStepLeading";
behavior.Mode = QiStreamMode.StepwiseContinuousLeading;
string behaviorString = qiclient.CreateBehavior(behavior).Result;
behavior = JsonConvert.DeserializeObject<QiStreamBehavior>(behaviorString);
// update the stream to include this behavior
evtStream.BehaviorId = behavior.Id;
qiclient.UpdateStream("evtStream", evtStream).Wait();
// repeat the retrieval
Console.WriteLine();
Console.WriteLine("Retrieving three events with a stepwise stream behavior in effect -- compare to last retrieval");
jCollection = qiclient.GetRangeValues("evtStream", "1", 0, 3, false, QiBoundaryType.ExactOrCalculated).Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#region delete events
// remove the first value -- index is the timestamp of the event
Console.WriteLine();
Console.WriteLine("Deleting events");
qiclient.RemoveValue("evtStream", "0").Wait();
// remove the rest -- start and end time indices
qiclient.RemoveWindowValues("evtStream", "1", "198").Wait();
Thread.Sleep(2000);
Console.WriteLine("Checking for events");
Console.WriteLine("===================");
jCollection = qiclient.GetWindowValues("evtStream", "0", "198").Result;
foundEvents = JsonConvert.DeserializeObject<WaveData[]>(jCollection);
DumpEvents(foundEvents);
#endregion
#endregion
}
catch (QiError qerr)
{
Console.WriteLine("Error, status code = " + qerr.Code.ToString() + "; " + qerr.Message);
Console.WriteLine("Press ENTER to terminate");
Console.ReadLine();
}
finally
{
try
{
qiclient.DeleteStream("evtStream").Wait();
qiclient.DeleteBehavior("evtStreamStepLeading").Wait();
qiclient.DeleteType(evtType.Id).Wait();
}
catch (Exception)
{
}
}
}