|
public static CreateObservationRecord ( GSF.PQDIF.Physical.Record physicalRecord, |
||
| physicalRecord | GSF.PQDIF.Physical.Record | The physical record used to create the observation record. |
| dataSource | The data source record that defines the channels in this observation record. | |
| settings | GSF.PQDIF.Logical.MonitorSettingsRecord | The monitor settings to be applied to this observation record. |
| 리턴 | ||
/// <summary>
/// Determines whether there are any more
/// <see cref="ObservationRecord"/>s to be
/// read from the PQDIF file.
/// </summary>
/// <returns>true if there is another observation record to be read from PQDIF file; false otherwise</returns>
public bool HasNextObservationRecord()
{
Record physicalRecord;
RecordType recordType;
// Read records from the file until we encounter an observation record or end of file
while ((object)m_nextObservationRecord == null && m_physicalParser.HasNextRecord())
{
physicalRecord = m_physicalParser.NextRecord();
recordType = physicalRecord.Header.TypeOfRecord;
switch (recordType)
{
case RecordType.DataSource:
// Keep track of the latest data source record in order to associate it with observation records
m_currentDataSourceRecord = DataSourceRecord.CreateDataSourceRecord(physicalRecord);
m_allDataSourceRecords.Add(m_currentDataSourceRecord);
break;
case RecordType.MonitorSettings:
// Keep track of the latest monitor settings record in order to associate it with observation records
m_currentMonitorSettingsRecord = MonitorSettingsRecord.CreateMonitorSettingsRecord(physicalRecord);
break;
case RecordType.Observation:
// Found an observation record!
m_nextObservationRecord = ObservationRecord.CreateObservationRecord(physicalRecord, m_currentDataSourceRecord, m_currentMonitorSettingsRecord);
break;
case RecordType.Container:
// The container record is parsed when the file is opened; it should never be encountered here
throw new InvalidOperationException("Found more than one container record in PQDIF file.");
default:
// Ignore unrecognized record types as the rest of the file might be valid.
//throw new ArgumentOutOfRangeException(string.Format("Unknown record type: {0}", physicalRecord.Header.RecordTypeTag));
break;
}
}
return((object)m_nextObservationRecord != null);
}