private void WriteMetadata(SerializableMetadata metadata)
{
try
{
// Abort if services is not enabled.
if (!Enabled)
return;
// Ensure that data archive is available.
if (Archive == null)
throw new NullReferenceException("Archive");
// Write all metadata records to the archive.
foreach (SerializableMetadataRecord record in metadata.MetadataRecords)
{
Archive.WriteMetaData(record.HistorianID, record.Deflate().BinaryImage());
}
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
private SerializableMetadata ReadMetadata(string idList)
{
try
{
// Abort if services is not enabled.
if (!Enabled)
{
return(null);
}
// Ensure that data archive is available.
if (Archive == null)
{
throw new NullReferenceException("Archive");
}
// Read specified metadata records from the archive.
int id;
byte[] buffer;
SerializableMetadata metadata = new SerializableMetadata();
List <SerializableMetadataRecord> records = new List <SerializableMetadataRecord>();
foreach (string singleID in idList.Split(',', ';'))
{
buffer = Archive.ReadMetaData(id = int.Parse(singleID));
if ((object)buffer == null)
{
// ID is invalid.
continue;
}
records.Add(new SerializableMetadataRecord(new MetadataRecord(id, MetadataFileLegacyMode.Enabled, buffer, 0, buffer.Length)));
}
metadata.MetadataRecords = records.ToArray();
return(metadata);
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
private SerializableMetadata ReadMetadata()
{
try
{
// Abort if services is not enabled.
if (!Enabled)
{
return(null);
}
// Ensure that data archive is available.
if (Archive == null)
{
throw new NullReferenceException("Archive");
}
// Read all metadata records from the archive.
int id = 0;
byte[] buffer;
SerializableMetadata metadata = new SerializableMetadata();
List <SerializableMetadataRecord> records = new List <SerializableMetadataRecord>();
while (true)
{
buffer = Archive.ReadMetaData(++id);
if ((object)buffer == null)
{
// No more records.
break;
}
records.Add(new SerializableMetadataRecord(new MetadataRecord(id, MetadataFileLegacyMode.Enabled, buffer, 0, buffer.Length)));
}
metadata.MetadataRecords = records.ToArray();
return(metadata);
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
private SerializableMetadata ReadMetadata(string fromID, string toID)
{
try
{
// Abort if services is not enabled.
if (!Enabled)
return null;
// Ensure that data archive is available.
if (Archive == null)
throw new NullReferenceException("Archive");
// Read specified metadata records from the archive.
byte[] buffer;
SerializableMetadata metadata = new SerializableMetadata();
List<SerializableMetadataRecord> records = new List<SerializableMetadataRecord>();
for (int id = int.Parse(fromID); id <= int.Parse(toID); id++)
{
buffer = Archive.ReadMetaData(id);
if ((object)buffer == null)
// ID is invalid.
continue;
records.Add(new SerializableMetadataRecord(new MetadataRecord(id, MetadataFileLegacyMode.Enabled, buffer, 0, buffer.Length)));
}
metadata.MetadataRecords = records.ToArray();
return metadata;
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
/// <summary>
/// Writes <paramref name="metadata"/> received in <see cref="System.ServiceModel.Web.WebMessageFormat.Json"/> format to the <see cref="DataService.Archive"/>.
/// </summary>
/// <param name="metadata">An <see cref="SerializableMetadata"/> object.</param>
public void WriteMetadataAsJson(SerializableMetadata metadata)
{
WriteMetadata(metadata);
}
private SerializableMetadata ReadMetadata(string fromID, string toID)
{
try
{
// Abort if services is not enabled.
if (!Enabled)
return null;
// Ensure that data archive is available.
if (Archive == null)
throw new NullReferenceException("Archive");
// Read specified metadata records from the archive.
byte[] buffer;
SerializableMetadata metadata = new SerializableMetadata();
List<SerializableMetadataRecord> records = new List<SerializableMetadataRecord>();
for (int id = int.Parse(fromID); id <= int.Parse(toID); id++)
{
buffer = Archive.ReadMetaData(id);
if ((object)buffer == null)
// ID is invalid.
continue;
records.Add(new SerializableMetadataRecord(new MetadataRecord(id, MetadataFileLegacyMode.Enabled, buffer, 0, buffer.Length)));
}
metadata.MetadataRecords = records.ToArray();
return metadata;
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
private SerializableMetadata ReadMetadata()
{
try
{
// Abort if services is not enabled.
if (!Enabled)
return null;
// Ensure that data archive is available.
if (Archive == null)
throw new NullReferenceException("Archive");
// Read all metadata records from the archive.
int id = 0;
byte[] buffer;
SerializableMetadata metadata = new SerializableMetadata();
List<SerializableMetadataRecord> records = new List<SerializableMetadataRecord>();
while (true)
{
buffer = Archive.ReadMetaData(++id);
if ((object)buffer == null)
// No more records.
break;
records.Add(new SerializableMetadataRecord(new MetadataRecord(id, MetadataFileLegacyMode.Enabled, buffer, 0, buffer.Length)));
}
metadata.MetadataRecords = records.ToArray();
return metadata;
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
private void WriteMetadata(SerializableMetadata metadata)
{
try
{
// Abort if services is not enabled.
if (!Enabled)
return;
// Ensure that data archive is available.
if (Archive == null)
throw new NullReferenceException("Archive");
// Write all metadata records to the archive.
foreach (SerializableMetadataRecord record in metadata.MetadataRecords)
{
Archive.WriteMetaData(record.HistorianID, record.Deflate().BinaryImage());
}
}
catch (Exception ex)
{
// Notify about the encountered processing exception.
OnServiceProcessException(ex);
throw;
}
}
/// <summary>
/// Writes <paramref name="metadata"/> received in <see cref="System.ServiceModel.Web.WebMessageFormat.Json"/> format to the <see cref="DataService.Archive"/>.
/// </summary>
/// <param name="metadata">An <see cref="SerializableMetadata"/> object.</param>
public void WriteMetadataAsJson(SerializableMetadata metadata)
{
WriteMetadata(metadata);
}
