/// <summary>
/// Get the bump test gas end point for a sensor.
/// </summary>
/// <param name="sensor">The sensor to get the gas for.</param>
/// <returns>The correct gas end point.</returns>
/// <exception cref="CorrectBumpTestGasUnavailable">
/// Thrown when no cylinder is provided for the sensor.
/// </exception>
protected GasEndPoint GetSensorGasEndPoint(Sensor sensor)
{
#region LogDebug
if (sensor != null)
{
Log.Debug("BumpTest.GetSensorGasEndPoint");
Log.Debug("Finding appropriate Bump gas for Sensor: " + sensor.Type
+ ", S/N: " + sensor.Uid
+ ", CalGas Code: " + sensor.CalibrationGas.Code
+ ", Conc: " + sensor.CalibrationGasConcentration
+ ", Measurement: " + ((SensorType)sensor.Type).MeasurementType);
}
#endregion
GasEndPoint endPoint = null;
Log.Debug("UseExpiredCylinders=" + Configuration.DockingStation.UseExpiredCylinders);
// If UseExpiredCylinders is true, then we should try and use expired cylinders
// if there are any. i.e., expired cylinders are "preferred" over non-expired cylinders.
if (Configuration.DockingStation.UseExpiredCylinders)
{
// Get sub-list of available end points that are only the expired cylinders.
DateTime localTime = Configuration.GetLocalTime();
List <GasEndPoint> gasEndPoints = GasEndPoints.FindAll(gep => gep.Cylinder.ExpirationDate <= localTime);
Log.Debug(string.Format("Looking for an expired cylinder to use ({0} expired candidates)....", gasEndPoints.Count));
// See if we can find an appropriate gas to use that's in this expired end points list.
endPoint = GetSensorGasEndPoint(sensor, gasEndPoints);
// If we didn't find an expired cylinder to use, we need to see if there's an un-expired cylinder to use.
if (endPoint == null)
{
gasEndPoints = GasEndPoints.FindAll(gep => gep.Cylinder.ExpirationDate > localTime);
Log.Debug(string.Format("No expired cylinder found. Looking for an unexpired cylinder ({0} unexpired candidates)....", gasEndPoints.Count));
endPoint = GetSensorGasEndPoint(sensor, gasEndPoints);
}
}
else
{
endPoint = GetSensorGasEndPoint(sensor, GasEndPoints);
}
if (endPoint == null)
{
Log.Debug("NO APPROPRIATE BUMP GAS FOUND!");
}
return(endPoint);
}
private void ConstructorInit(PurgeType purgeType, InstrumentController instrumentController, List <GasEndPoint> gasEndPoints, InstrumentGasResponseEvent gasResponseEvent)
{
Log.Assert(instrumentController != null, "instrumentController cannot be null");
_instrumentController = instrumentController;
_purgeType = purgeType;
_returnGasResponseEvent = gasResponseEvent;
// clone the supplied GasEndPoints
foreach (GasEndPoint currentGasEndPoint in gasEndPoints)
{
GasEndPoint purgeGasEndPoint = (GasEndPoint)currentGasEndPoint.Clone();
GasEndPoints.Add(purgeGasEndPoint);
}
}
