String dataRecorderPath = pnl.getDataRecorderPath();
DeviceProxy deviceProxy = TangoDeviceHelper
.getDeviceProxy(dataRecorderPath);
try {
DbDatum property = deviceProxy.get_property(ARCHIVING_DEVICE_PROP);
archivingDeviceName = property.extractString();
} catch (DevFailed e) {
TechnicalDataMessageManager.notifyReadAttributeErrorDetected(
dataRecorderPath, ARCHIVING_DEVICE_PROP, e);
}
// archivingDeviceName can be null