/// <summary>
/// Retrieve series events for a given Time Series Id over a specified time interval asynchronously.
/// </summary>
/// <param name="timeSeriesId">The Time Series Id to retrieve series events for.</param>
/// <param name="timeSpan">The time interval over which to query data.</param>
/// <param name="endTime">End timestamp of the time range. Events that match this timestamp are excluded. If null is provided, <c>DateTimeOffset.UtcNow</c> is used.</param>
/// <param name="options">Optional parameters to use when querying for series events.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The <see cref="TimeSeriesQueryAnalyzer"/> object that can be used to retrieve the pageable list <see cref="AsyncPageable{TimeSeriesPoint}"/>.</returns>
/// <example>
/// <code snippet="Snippet:TimeSeriesInsightsSampleQuerySeriesWithInlineVariables" language="csharp">
/// Console.WriteLine("\n\nQuery for temperature series in Celsius and Fahrenheit over the past 10 minutes.\n");
///
/// var celsiusVariable = new NumericVariable(
/// new TimeSeriesExpression("$event.Temperature"),
/// new TimeSeriesExpression("avg($value)"));
/// var fahrenheitVariable = new NumericVariable(
/// new TimeSeriesExpression("$event.Temperature * 1.8 + 32"),
/// new TimeSeriesExpression("avg($value)"));
///
/// var querySeriesRequestOptions = new QuerySeriesRequestOptions();
/// querySeriesRequestOptions.InlineVariables["TemperatureInCelsius"] = celsiusVariable;
/// querySeriesRequestOptions.InlineVariables["TemperatureInFahrenheit"] = fahrenheitVariable;
///
/// TimeSeriesQueryAnalyzer seriesQuery = queriesClient.CreateSeriesQuery(
/// tsId,
/// TimeSpan.FromMinutes(10),
/// null,
/// querySeriesRequestOptions);
///
/// await foreach (TimeSeriesPoint point in seriesQuery.GetResultsAsync())
/// {
/// double? tempInCelsius = (double?)point.GetValue("TemperatureInCelsius");
/// double? tempInFahrenheit = (double?)point.GetValue("TemperatureInFahrenheit");
///
/// Console.WriteLine($"{point.Timestamp} - Average temperature in Celsius: {tempInCelsius}. Average temperature in Fahrenheit: {tempInFahrenheit}.");
/// }
/// </code>
/// </example>
public virtual TimeSeriesQueryAnalyzer CreateSeriesQuery(
TimeSeriesId timeSeriesId,
TimeSpan timeSpan,
DateTimeOffset?endTime = null,
QuerySeriesRequestOptions options = null,
CancellationToken cancellationToken = default)
{
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(TimeSeriesInsightsClient)}.{nameof(GetSeries)}");
scope.Start();
try
{
DateTimeOffset rangeEndTime = endTime ?? DateTimeOffset.UtcNow;
DateTimeOffset rangeStartTime = rangeEndTime - timeSpan;
var searchSpan = new DateTimeRange(rangeStartTime, rangeEndTime);
var queryRequest = new QueryRequest
{
GetSeries = new GetSeries(timeSeriesId, searchSpan)
};
BuildSeriesRequestOptions(options, queryRequest);
return(new TimeSeriesQueryAnalyzer(_queryRestClient, queryRequest, options?.Store?.ToString(), cancellationToken));
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
}
private static void BuildSeriesRequestOptions(QuerySeriesRequestOptions options, QueryRequest queryRequest)
{
if (options != null)
{
if (options.Filter != null)
{
queryRequest.GetSeries.Filter = options.Filter;
}
if (options.ProjectedVariableNames != null)
{
foreach (string projectedVariable in options.ProjectedVariableNames)
{
queryRequest.GetSeries.ProjectedVariables.Add(projectedVariable);
}
}
if (options.InlineVariables != null)
{
foreach (string inlineVariableKey in options.InlineVariables.Keys)
{
queryRequest.GetSeries.InlineVariables[inlineVariableKey] = options.InlineVariables[inlineVariableKey];
}
}
queryRequest.GetSeries.Take = options.MaxNumberOfEvents;
}
}
/// <summary>
/// Retrieve series events for a given Time Series Id synchronously.
/// </summary>
/// <param name="timeSeriesId">The Time Series Id to retrieve series events for.</param>
/// <param name="startTime">Start timestamp of the time range. Events that have this timestamp are included.</param>
/// <param name="endTime">End timestamp of the time range. Events that match this timestamp are excluded.</param>
/// <param name="options">Optional parameters to use when querying for series events.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The pageable list <see cref="AsyncPageable{QueryResultPage}"/> of query result frames.</returns>
public virtual Pageable <QueryResultPage> GetSeries(
TimeSeriesId timeSeriesId,
DateTimeOffset startTime,
DateTimeOffset endTime,
QuerySeriesRequestOptions options = null,
CancellationToken cancellationToken = default)
{
using DiagnosticScope scope = _clientDiagnostics.CreateScope($"{nameof(TimeSeriesInsightsClient)}.{nameof(GetSeries)}");
scope.Start();
try
{
var searchSpan = new DateTimeRange(startTime, endTime);
var queryRequest = new QueryRequest
{
GetSeries = new GetSeries(timeSeriesId, searchSpan)
};
BuildSeriesRequestOptions(options, queryRequest);
return(QueryInternal(queryRequest, options?.StoreType?.ToString(), cancellationToken));
}
catch (Exception ex)
{
scope.Failed(ex);
throw;
}
}
