/// <summary>
/// This method creates a new measurement including two attributes: inspector and time. The inspector is set to a random inspector taken
/// from the particular catalog, time is set to the current time. Please note that datetime values need to be
/// Xml converted in order to be handled correctly. Measurement's time can also be set via the <see cref="DataMeasurement.Time"/> property.
/// As it internally sets the particular attribute be patient: Setting the <see cref="DataMeasurement.Time"/> property before setting the
/// <see cref="SimpleMeasurement.Attributes"/> property will cause the <see cref="DataMeasurement.Time"/> property to be overwritten/deleted.
/// </summary>
private async void CreateMeasurementsButton_Click( object sender, EventArgs e )
{
double val1, val2, val3;
if( !Double.TryParse( _Value1TextBox.Text, out val1 ) || !Double.TryParse( _Value2TextBox.Text, out val2 ) ||
!Double.TryParse( _Value3TextBox.Text, out val3 ) || _CurrentPart == null|| _CurrentCharacteristics == null || _CurrentCharacteristics.Length != 3 )
{
LogMessage( "Creating measurement failed due to badly formatted values!\r\n" );
return;
}
try
{
LogMessage( "Creating a measurement and three values" );
var sw = System.Diagnostics.Stopwatch.StartNew();
var attributes = new List<DataService.Attribute>();
attributes.Add( new DataService.Attribute( WellKnownKeys.Measurement.Time, XmlConvert.ToString( DateTime.Now, XmlDateTimeSerializationMode.RoundtripKind ) ) );
var inspectorDef = _Configuration.GetDefinition( Entity.Measurement, WellKnownKeys.Measurement.InspectorName ) as CatalogAttributeDefinition;
var rdm = new Random();
if( inspectorDef != null )
{
var catalogEntry = _Catalogs[ inspectorDef.Catalog, rdm.Next( 0, _Catalogs[ inspectorDef.Catalog ].CatalogEntries.Length ).ToString() ];
attributes.Add( new DataService.Attribute( WellKnownKeys.Measurement.InspectorName, catalogEntry.Key ) );
}
var measurement = new DataMeasurement
{
Uuid = Guid.NewGuid(),
Attributes = attributes.ToArray(),
Characteristics = new[]
{
new DataCharacteristic
{
Uuid = _CurrentCharacteristics[0].Uuid,
Timestamp = DateTime.Now,
Value = new DataValue( val1 )
},
new DataCharacteristic
{
Uuid = _CurrentCharacteristics[1].Uuid,
Timestamp = DateTime.Now,
Value = new DataValue( val2 )
},
new DataCharacteristic
{
Uuid = _CurrentCharacteristics[2].Uuid,
Timestamp = DateTime.Now,
Value = new DataValue( val3 )
}
},
PartUuid = _CurrentPart.Uuid
};
await _RestDataServiceClient.CreateMeasurementValues( new[] { measurement } );
sw.Stop();
LogMessage( "Successfully create a measurmeent and three values in {0} ms.\r\n", sw.ElapsedMilliseconds );
}
catch( Exception ex )
{
LogMessage( String.Format( "Error creating measurement: '{0}'.\r\n", ex.Message ) );
}
}
/// <summary>
/// Updates the measurements and measurement values parts to the database. Please note that no single values can be inserted or updated. Whole
/// measurements with all values can be created or updated only.
/// </summary>
/// <param name="values">The measurements and values to update.</param>
/// <param name="cancellationToken">A token to cancel the asynchronous operation.</param>
public Task UpdateMeasurementValues( DataMeasurement[] values, CancellationToken cancellationToken = default(CancellationToken) )
{
return Put( "values", values, cancellationToken );
}