/// <summary>
/// Flattens Extension object on ITelemetry if exists into the properties and measurements.
/// </summary>
internal static void FlattenIExtensionIfExists(this ITelemetry telemetry)
{
if (telemetry.Extension != null)
{
ISupportProperties itemWithProperties = telemetry as ISupportProperties;
ISupportMetrics itemWithMetrics = telemetry as ISupportMetrics;
// Do not serialize if data cannot be stored on the item
if (itemWithProperties != null || itemWithMetrics != null)
{
DictionarySerializationWriter extensionSerializationWriter = new DictionarySerializationWriter();
telemetry.Extension.Serialize(extensionSerializationWriter);
if (itemWithProperties != null)
{
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedDictionary, itemWithProperties.Properties);
}
if (itemWithMetrics != null)
{
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedMeasurements, itemWithMetrics.Metrics);
}
}
}
}
private static void SerializeUnknownTelemetryHelper(ITelemetry telemetryItem, JsonSerializationWriter jsonSerializationWriter)
{
DictionarySerializationWriter dictionarySerializationWriter = new DictionarySerializationWriter();
telemetryItem.SerializeData(dictionarySerializationWriter); // Properties and Measurements are covered as part of Data if present
telemetryItem.CopyGlobalPropertiesIfExist(dictionarySerializationWriter.AccumulatedDictionary);
if (telemetryItem.Extension != null)
{
DictionarySerializationWriter extensionSerializationWriter = new DictionarySerializationWriter();
telemetryItem.Extension.Serialize(extensionSerializationWriter); // Extension is supposed to be flattened as well
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedDictionary, dictionarySerializationWriter.AccumulatedDictionary);
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedMeasurements, dictionarySerializationWriter.AccumulatedMeasurements);
}
jsonSerializationWriter.WriteProperty("name", telemetryItem.WriteTelemetryName(EventTelemetry.TelemetryName));
telemetryItem.WriteEnvelopeProperties(jsonSerializationWriter); // No need to copy Context - it's serialized here from the original item
jsonSerializationWriter.WriteStartObject("data");
jsonSerializationWriter.WriteProperty("baseType", typeof(EventData).Name);
jsonSerializationWriter.WriteStartObject("baseData");
jsonSerializationWriter.WriteProperty("ver", 2);
jsonSerializationWriter.WriteProperty("name", EventNameForUnknownTelemetry);
jsonSerializationWriter.WriteProperty("properties", dictionarySerializationWriter.AccumulatedDictionary);
jsonSerializationWriter.WriteProperty("measurements", dictionarySerializationWriter.AccumulatedMeasurements);
jsonSerializationWriter.WriteEndObject(); // baseData
jsonSerializationWriter.WriteEndObject(); // data
}
/// <summary>
/// Flattens ITelemetry object into the properties and measurements.
/// </summary>
/// <returns>EventData containing flattened ITelemetry object.</returns>
internal static EventData FlattenTelemetryIntoEventData(this ITelemetry telemetry)
{
EventData flatTelemetry = new EventData();
DictionarySerializationWriter dictionarySerializationWriter = new DictionarySerializationWriter();
telemetry.SerializeData(dictionarySerializationWriter); // Properties and Measurements are covered as part of Data if present
Utils.CopyDictionary(dictionarySerializationWriter.AccumulatedDictionary, flatTelemetry.properties);
Utils.CopyDictionary(dictionarySerializationWriter.AccumulatedMeasurements, flatTelemetry.measurements);
if (telemetry.Context.GlobalPropertiesValue != null)
{
Utils.CopyDictionary(telemetry.Context.GlobalProperties, flatTelemetry.properties);
}
if (telemetry.Extension != null)
{
DictionarySerializationWriter extensionSerializationWriter = new DictionarySerializationWriter();
telemetry.Extension.Serialize(extensionSerializationWriter); // Extension is supposed to be flattened as well
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedDictionary, flatTelemetry.properties);
Utils.CopyDictionary(extensionSerializationWriter.AccumulatedMeasurements, flatTelemetry.measurements);
}
return(flatTelemetry);
}
