private void ValidateObservationRecord(ObservationRecord observationRecord)
{
if (!observationRecord.PhysicalRecord.Body.Collection.GetElementsByTag(ObservationRecord.ObservationNameTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "ObservationNameTag", ObservationRecord.ObservationNameTag));
}
if (!observationRecord.PhysicalRecord.Body.Collection.GetElementsByTag(ObservationRecord.TimeCreateTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "TimeCreateTag", ObservationRecord.TimeCreateTag));
}
if (!observationRecord.PhysicalRecord.Body.Collection.GetElementsByTag(ObservationRecord.TimeStartTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "TimeStartTag", ObservationRecord.TimeStartTag));
}
if (!observationRecord.PhysicalRecord.Body.Collection.GetElementsByTag(ObservationRecord.TriggerMethodTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "TriggerMethodTag", ObservationRecord.TriggerMethodTag));
}
if (!observationRecord.PhysicalRecord.Body.Collection.GetElementsByTag(ObservationRecord.ChannelInstancesTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "ChannelInstancesTag", ObservationRecord.ChannelInstancesTag));
}
if (observationRecord.ChannelInstances.Count == 0)
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "OneChannelInstanceTag", ObservationRecord.OneChannelInstanceTag));
}
foreach (ChannelInstance channelInstance in observationRecord.ChannelInstances)
{
if (!channelInstance.PhysicalStructure.GetElementsByTag(ChannelDefinition.ChannelDefinitionIndexTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "ChannelDefinitionIndexTag", ChannelDefinition.ChannelDefinitionIndexTag));
}
if (!channelInstance.PhysicalStructure.GetElementsByTag(ChannelInstance.SeriesInstancesTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "SeriesInstancesTag", ChannelInstance.SeriesInstancesTag));
}
if (channelInstance.SeriesInstances.Count == 0)
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "OneSeriesInstanceTag", ChannelInstance.OneSeriesInstanceTag));
}
foreach (SeriesInstance seriesInstance in channelInstance.SeriesInstances)
{
if (!seriesInstance.PhysicalStructure.GetElementsByTag(SeriesInstance.SeriesValuesTag).Any())
{
m_missingTags.Add(new MissingTag(RecordType.Observation, "SeriesValuesTag", SeriesInstance.SeriesValuesTag));
}
}
}
}
/// <summary>
/// Writes the given observation record, as well as its data source
/// and monitor settings records if necessary, to the file stream.
/// </summary>
/// <param name="observationRecord">The observation record to be written to the PQDIF file.</param>
/// <param name="lastRecord">Indicates whether this observation record is the last record in the file.</param>
/// <exception cref="ArgumentNullException"><paramref name="observationRecord"/> is null.</exception>
/// <exception cref="ObjectDisposedException">The writer was disposed.</exception>
/// <exception cref="InvalidOperationException">
/// <para>File does not yet have a <see cref="ContainerRecord"/>.</para>
/// <para>- OR -</para>
/// <para><paramref name="observationRecord"/> does not have a data source.</para>
/// </exception>
/// <exception cref="InvalidDataException">The PQDIF data is invalid.</exception>
public async Task WriteAsync(ObservationRecord observationRecord, bool lastRecord = false)
{
if (observationRecord == null)
{
throw new ArgumentNullException("observationRecord");
}
if (m_disposed)
{
throw new ObjectDisposedException(GetType().Name);
}
if (m_containerRecord == null)
{
throw new InvalidOperationException("Container record must be the first record in a PQDIF file.");
}
if (observationRecord.DataSource == null)
{
throw new InvalidOperationException("An observation record must have a data source.");
}
if (!ReferenceEquals(m_currentDataSource, observationRecord.DataSource))
{
ValidateDataSourceRecord(observationRecord.DataSource);
}
if (observationRecord.Settings != null && !ReferenceEquals(m_currentMonitorSettings, observationRecord.Settings))
{
ValidateMonitorSettingsRecord(observationRecord.Settings);
}
ValidateObservationRecord(observationRecord);
if (!ReferenceEquals(m_currentDataSource, observationRecord.DataSource))
{
m_currentMonitorSettings = null;
m_currentDataSource = observationRecord.DataSource;
await m_physicalWriter.WriteRecordAsync(observationRecord.DataSource.PhysicalRecord);
}
if (observationRecord.Settings != null && !ReferenceEquals(m_currentMonitorSettings, observationRecord.Settings))
{
m_currentMonitorSettings = observationRecord.Settings;
await m_physicalWriter.WriteRecordAsync(observationRecord.Settings.PhysicalRecord);
}
await m_physicalWriter.WriteRecordAsync(observationRecord.PhysicalRecord, lastRecord);
}
// Static Methods
/// <summary>
/// Creates a new observation record from scratch with the given data source and settings.
/// </summary>
/// <param name="dataSource">The data source record that defines the channels in this observation record.</param>
/// <param name="settings">The monitor settings to be applied to this observation record.</param>
/// <returns>The new observation record.</returns>
public static ObservationRecord CreateObservationRecord(DataSourceRecord dataSource, MonitorSettingsRecord?settings)
{
Guid recordTypeTag = Record.GetTypeAsTag(RecordType.Observation);
Record physicalRecord = new Record(recordTypeTag);
ObservationRecord observationRecord = new ObservationRecord(physicalRecord, dataSource, settings);
DateTime now = DateTime.UtcNow;
observationRecord.Name = now.ToString();
observationRecord.CreateTime = now;
observationRecord.StartTime = now;
observationRecord.TriggerMethod = TriggerMethod.None;
CollectionElement bodyElement = physicalRecord.Body.Collection;
bodyElement.AddElement(new CollectionElement {
TagOfElement = ChannelInstancesTag
});
return(observationRecord);
}
/// <summary>
/// Creates a new instance of the <see cref="ChannelInstance"/> class.
/// </summary>
/// <param name="physicalStructure">The collection element which is the physical structure of the channel instance.</param>
/// <param name="observationRecord">The observation record in which the channel instance resides.</param>
public ChannelInstance(CollectionElement physicalStructure, ObservationRecord observationRecord)
{
m_physicalStructure = physicalStructure;
m_observationRecord = observationRecord;
}