internal static void RequireNotEmpty(this TelemetryEventCorrelation correlation, string argumentName)
{
if (correlation.IsEmpty)
{
throw new ArgumentException("Value shouldn't be empty.", argumentName);
}
}
/// <summary>
/// Register correlation from a given asset id with specified asset type.
/// </summary>
/// <param name="assetTypeName">Asset type name. It is defined by asset provider.</param>
/// <param name="assetId">
/// Used to identify the asset. The id should be immutable in the asset life cycle, even if the status or content changes over time.
/// E.g., project guid is generated during project creation and will never change. This makes it a good candidate for asset id of Project asset.
/// </param>
/// <param name="correlation">correlation of the asset.</param>
/// <remarks>
/// Used by Asset Provider.
/// </remarks>
public void RegisterCorrelation(string assetTypeName, string assetId, TelemetryEventCorrelation correlation)
{
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(assetTypeName, "assetTypeName");
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(assetId, "assetId");
CacheKey key = new CacheKey(assetTypeName, assetId);
registeredCorrelations[key] = correlation;
}
/// <summary>
/// Creates the new telemetry event instance with specific information.
/// </summary>
/// <param name="eventName">Event name that is unique, not null and not empty.</param>
/// <param name="severity">Severity level of the event.</param>
/// <param name="correlation">Correlation value for this event.</param>
internal TelemetryEvent(string eventName, TelemetrySeverity severity, TelemetryEventCorrelation correlation)
{
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(eventName, "eventName");
correlation.RequireNotEmpty("correlation");
TelemetryService.EnsureEtwProviderInitialized();
this.eventName = eventName.ToLower(CultureInfo.InvariantCulture);
Severity = severity;
Correlation = correlation;
EventSchemaVersion = 5;
InitDataModelBasicProperties();
}
/// <summary>
/// Initializes a new instance of the <see cref="T:Coding4Fun.VisualStudio.Telemetry.AssetEvent" /> class.
/// </summary>
/// <param name="eventName">
/// An event name following data model schema.
/// It requires that event name is a unique, not null or empty string.
/// It consists of 3 parts and must follows pattern [product]/[featureName]/[entityName]. FeatureName could be a one-level feature or feature hierarchy delimited by "/".
/// For examples,
/// vs/platform/opensolution;
/// vs/platform/editor/lightbulb/fixerror;
/// </param>
/// <param name="assetId">
/// Used to identify the asset. The id should be immutable in the asset life cycle, even if the status or content changes over time.
/// E.g., project guid is generated during project creation and will never change. This makes it a good candidate for asset id of Project asset.
/// </param>
/// <param name="assetEventVersion">
/// Used for customized properties versioning.
/// E.g., project asset posts event with name "vs/platform/project".
/// If the event is updated, uses this parameter to increment the version.
/// </param>
/// <param name="correlation">
/// Correlation value for this event.
/// </param>
public AssetEvent(string eventName, string assetId, int assetEventVersion, TelemetryEventCorrelation correlation)
: base(eventName, TelemetrySeverity.Normal, correlation)
{
if (correlation.EventType != DataModelEventType.Asset)
{
throw new ArgumentException("Property EventType should be AssetEvent.", "correlation");
}
DataModelEventNameHelper.SetProductFeatureEntityName(this);
AssetId = assetId;
base.ReservedProperties["DataModel.Asset.AssetId"] = assetId;
AssetEventVersion = assetEventVersion;
base.ReservedProperties["DataModel.Asset.SchemaVersion"] = assetEventVersion;
}
/// <summary>
/// Correlate this event with other event via <see cref="T:Coding4Fun.VisualStudio.Telemetry.TelemetryEventCorrelation" /> with description information.
/// </summary>
/// <param name="correlation">The property <see cref="P:Coding4Fun.VisualStudio.Telemetry.TelemetryEvent.Correlation" /> of correlated event.</param>
/// <param name="description">
/// A description string for this correlation information, such as name, hint, tag, category.
/// Please don't include comma which is a reserved char.
/// It could be null or empty string.
/// </param>
/// <remarks>
/// This method is not thread-safe.
/// </remarks>
protected void CorrelateWithDescription(TelemetryEventCorrelation correlation, string description)
{
if (description != null && description.Contains(','))
{
throw new ArgumentException("Comma is not allowed.", "description");
}
if (!correlation.IsEmpty && !Correlation.Equals(correlation))
{
if (CorrelatedWith == null)
{
CorrelatedWith = new Dictionary <TelemetryEventCorrelation, string>();
}
CorrelatedWith[correlation] = description;
}
}
/// <summary>
/// Get correlation for a given asset type and asset id.
/// </summary>
/// <param name="assetTypeName">Asset type name. It is defined by asset provider.</param>
/// <param name="assetId">
/// Used to identify the asset. The id should be immutable in the asset life cycle, even if the status or content changes over time.
/// E.g., project guid is generated during project creation and will never change. This makes it a good candidate for asset id of Project asset.
/// You can get more information from asset provider.
/// </param>
/// <returns>Asset correlation</returns>
public TelemetryEventCorrelation GetCorrelation(string assetTypeName, string assetId)
{
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(assetTypeName, "assetTypeName");
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(assetId, "assetId");
IAssetProvider provider = null;
CacheKey key = new CacheKey(assetTypeName, assetId);
TelemetryEventCorrelation correlation = TelemetryEventCorrelation.Empty;
lock (locker)
{
if (!registeredCorrelations.TryGetValue(key, out correlation))
{
correlation = TelemetryEventCorrelation.Empty;
if (registeredProviders.TryGetValue(assetTypeName, out provider))
{
correlation = new TelemetryEventCorrelation(Guid.NewGuid(), DataModelEventType.Asset);
RegisterCorrelation(assetTypeName, assetId, correlation);
}
}
}
if (provider != null)
{
ThreadScheduler.Schedule(delegate
{
bool flag = false;
try
{
flag = provider.PostAsset(assetId, correlation);
}
finally
{
if (!flag)
{
UnregisterCorrelation(assetTypeName, assetId);
}
}
});
}
return(correlation);
}
/// <summary>
/// Correlate this event with other event via <see cref="T:Coding4Fun.VisualStudio.Telemetry.TelemetryEventCorrelation" /> with description information.
/// </summary>
/// <param name="correlation">The property <see cref="P:Coding4Fun.VisualStudio.Telemetry.TelemetryEvent.Correlation" /> of correlated event.</param>
/// <param name="description">
/// A description string for this correlation information, such as name, hint, tag, category.
/// Please don't include comma which is a reserved char.
/// </param>
/// <remarks>
/// This method is not thread-safe.
/// </remarks>
public void Correlate(TelemetryEventCorrelation correlation, string description)
{
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(description, "description");
CorrelateWithDescription(correlation, description);
}
/// <summary>
/// Register correlation from a given asset id with specified asset type.
/// </summary>
/// <param name="assetTypeName">Asset type name. It is defined by asset provider.</param>
/// <param name="assetId">
/// Used to identify the asset. The id should be immutable in the asset life cycle, even if the status or content changes over time.
/// E.g., project guid is generated during project creation and will never change. This makes it a good candidate for asset id of Project asset.
/// </param>
/// <param name="correlation">correlation of the asset.</param>
/// <remarks>
/// Used by Asset Provider.
/// </remarks>
public void RegisterCorrelation(string assetTypeName, Guid assetId, TelemetryEventCorrelation correlation)
{
CodeContract.RequiresArgumentNotNullAndNotWhiteSpace(assetTypeName, assetTypeName);
CodeContract.RequiresArgumentNotEmpty(assetId, "assetId");
RegisterCorrelation(assetTypeName, assetId.ToString("D"), correlation);
}