/// <summary>
/// Common calls of getting Data from AFServer
/// </summary>
/// <param name="server_database">String representing the server and database</param>
/// <param name="AttributeName"> name of the attribute</param>
/// <param name="MatlabName">variable name for the Matlab Workspace</param>
/// <param name="start">Start time of data collection.</param>
/// <param name="end">End time of the data collection.</param>
/// <param name="afobject"> AF object - AFAttribute, AFEventFrame, or PIPoint</param>
/// <param name="addToListView"> Whether to add to the Listview (generally true)</param>
public static void getData(string server_database, string AttributeName, string MatlabName, string start, string end, Object afobject, bool addToListView)
{
MatlabName = MatlabAccess.modifyMatlabName(MatlabName);
LogInput logInput = null;
AFValues Values = new AFValues();
AFAttribute attribute;
object[] vals;
double[] dbVals;
double[] timestamps = null;
int[] statuses;
int baddata;
//TIME RANGE
AFTimeRange aftr;
try { aftr = checkAFTimeRange(start, end); }
catch (Exception ex)
{
MessageBox.Show(ex.Message);
throw ex;
}
/// Get Object
Type type = afobject.GetType();
string typestring = type.ToString();
// LogInput logInput = new LogInput(MatlabName, Element.Name, attribute.Name, path, aftr);
switch (type.ToString())
{
case "OSIsoft.AF.Asset.AFAttribute":
attribute = (AFAttribute)afobject;
logInput = new LogInput(MatlabName, attribute.Element.Name, attribute.Name, attribute.Element.GetPath(), aftr);
if (attribute.PIPoint == null) // Constant Value
{
aftr = new AFTimeRange("*", "*");
logInput.setAFTimeRange(aftr);
Values = attribute.GetValues(aftr, dataPref, null);
}
else // PI Point - Time Matters!!
{
/* Summary: Attribute.GetValues - Important Call!
* Parameter Int32 => DataPref
* = 0 : All Values returned
* < 0 : Evenly spaced values, including start and end
* > 0 : # of intervals, for each interval 5 points are given (first, last, high, low, and exceptional)
*/
Values = attribute.GetValues(aftr, dataPref, null); // FULLY UNDERSTAND THIS !!! Important Call!!!!
}
break;
case "OSIsoft.AF.EventFrame.AFEventFrame":
AFEventFrame frame = (AFEventFrame)afobject;
logInput = new LogInput(MatlabName, frame.Name, frame.Attributes[AttributeName].Name, frame.GetPath(), aftr);
attribute = frame.Attributes[AttributeName];
logInput.setAFTimeRange(aftr);
AFValue val = attribute.GetValue(aftr);
Values = new AFValues()
{
val
};
break;
case "OSIsoft.AF.PI.PIPoint":
PIPoint piPoint = (PIPoint)afobject;
string path = piPoint.GetPath();
logInput = new LogInput(MatlabName, "PI.Point", piPoint.Name, "PI.Point", aftr);
Values = piPoint.RecordedValues(aftr, AFBoundaryType.Interpolated, "", true, Int32.MaxValue);
break;
}
//Determine if AFTIME Absolute String
isAbsoluteTimeString(start, end, logInput);
logInput.setAttributeGetValueFormat(dataPref);
logInput.setTimespaceFormat(dataFormat);
ConvertAFValues.GetValuesArray(Values, false, out vals, out timestamps, out statuses, out baddata);
try
{
MatlabAccess.sendDataToMatlab(MatlabName, AFValuesToArray(vals));
if (Timestamp)
{
MatlabAccess.sendDataToMatlab(MatlabName + "Time", timestamps);
}
}
catch
{
logInput.setServerDatabase(server_database);
LogSystem.addLogInput(server_database, logInput, addToListView);
throw new NullReferenceException();
}
logInput.setServerDatabase(server_database);
LogSystem.addLogInput(server_database, logInput, addToListView);
}