/**
* <summary>
* Retrieves a data logger for a given identifier.
* <para>
* The identifier can be specified using several formats:
* </para>
* <para>
* </para>
* <para>
* - FunctionLogicalName
* </para>
* <para>
* - ModuleSerialNumber.FunctionIdentifier
* </para>
* <para>
* - ModuleSerialNumber.FunctionLogicalName
* </para>
* <para>
* - ModuleLogicalName.FunctionIdentifier
* </para>
* <para>
* - ModuleLogicalName.FunctionLogicalName
* </para>
* <para>
* </para>
* <para>
* This function does not require that the data logger is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDataLogger.isOnline()</c> to test if the data logger is
* indeed online at a given time. In case of ambiguity when looking for
* a data logger by logical name, no error is notified: the first instance
* found is returned. The search is performed first by hardware name,
* then by logical name.
* </para>
* </summary>
* <param name="func">
* a string that uniquely characterizes the data logger
* </param>
* <returns>
* a <c>YDataLogger</c> object allowing you to drive the data logger.
* </returns>
*/
public static YDataLogger FindDataLogger(string func)
{
YDataLogger obj;
obj = (YDataLogger)YFunction._FindFromCache("DataLogger", func);
if (obj == null)
{
obj = new YDataLogger(func);
YFunction._AddToCache("DataLogger", func, obj);
}
return(obj);
}
public YOldDataStream(YDataLogger parent, int run, int stamp, UInt32 utc, int itv)
: base(parent)
{
this._dataLogger = parent;
this._runNo = run;
this._timeStamp = stamp;
this._utcStamp = utc;
this._interval = itv;
this._samplesPerHour = (int)(3600 / _interval);
this._isClosed = true;
this._minVal = DATA_INVALID;
this._avgVal = DATA_INVALID;
this._maxVal = DATA_INVALID;
}
public YOldDataStream(YDataLogger parent, int run, int stamp, UInt32 utc, int itv)
: base(parent)
{
this._dataLogger = parent;
this._runNo = run;
this._timeStamp = stamp;
this._utcStamp = utc;
this._interval = itv;
this._samplesPerHour = (int)(3600 / _interval);
this._isClosed = true;
this._minVal = DATA_INVALID;
this._avgVal = DATA_INVALID;
this._maxVal = DATA_INVALID;
}
/**
* <summary>
* Retrieves a data logger for a given identifier.
* <para>
* The identifier can be specified using several formats:
* </para>
* <para>
* </para>
* <para>
* - FunctionLogicalName
* </para>
* <para>
* - ModuleSerialNumber.FunctionIdentifier
* </para>
* <para>
* - ModuleSerialNumber.FunctionLogicalName
* </para>
* <para>
* - ModuleLogicalName.FunctionIdentifier
* </para>
* <para>
* - ModuleLogicalName.FunctionLogicalName
* </para>
* <para>
* </para>
* <para>
* This function does not require that the data logger is online at the time
* it is invoked. The returned object is nevertheless valid.
* Use the method <c>YDataLogger.isOnline()</c> to test if the data logger is
* indeed online at a given time. In case of ambiguity when looking for
* a data logger by logical name, no error is notified: the first instance
* found is returned. The search is performed first by hardware name,
* then by logical name.
* </para>
* </summary>
* <param name="func">
* a string that uniquely characterizes the data logger
* </param>
* <returns>
* a <c>YDataLogger</c> object allowing you to drive the data logger.
* </returns>
*/
public static YDataLogger FindDataLogger(string func)
{
YDataLogger obj;
obj = (YDataLogger)YFunction._FindFromCache("DataLogger", func);
if (obj == null)
{
obj = new YDataLogger(func);
YFunction._AddToCache("DataLogger", func, obj);
}
return obj;
}
