/// <summary>
/// If the user as explictity set a formatter us this as the default formatter to output metrics.
/// </summary>
/// <param name="reporter">The reporter to set the user configured formatter</param>
private void UseUserConfiguredFormatter(IReportMetrics reporter)
{
var formatter = _formatters.FirstOrDefault();
if (formatter != null)
{
reporter.Formatter = formatter;
}
}
/// <inheritdoc />
public IMetricsRoot Build()
{
IMetricsRegistry registry = new NullMetricsRegistry();
if (_options == null)
{
_options = new MetricsOptions();
}
if (_options.Enabled)
{
registry = new DefaultMetricsRegistry(_options.DefaultContextLabel, _clock, ContextRegistry);
}
if (_metricsOutputFormatters.Count == 0)
{
_metricsOutputFormatters.Add(new MetricsTextOutputFormatter());
}
if (_envFormatters.Count == 0)
{
_envFormatters.Add(new EnvInfoTextOutputFormatter());
}
var builderFactory = new DefaultMetricsBuilderFactory(_defaultSamplingReservoir);
var measure = new DefaultMeasureMetricsProvider(registry, builderFactory, _clock);
var provider = new DefaultMetricsProvider(registry, builderFactory, _clock);
var snapshot = new DefaultMetricValuesProvider(_metricsFilter, registry);
var manage = new DefaultMetricsManager(registry);
var metrics = new DefaultMetrics(_clock, _metricsFilter, measure, builderFactory, provider, snapshot, manage);
var defaultMetricsOutputFormatter = _defaultMetricsOutputFormatter ?? _metricsOutputFormatters.FirstOrDefault();
var defaultEnvOutputFormatter = _defauEnvOutputFormatter ?? _envFormatters.FirstOrDefault();
if (CanReport())
{
_metricsReportRunner = new DefaultMetricsReportRunner(metrics, _reporters);
}
return(new MetricsRoot(
metrics,
_options,
_metricsOutputFormatters,
_envFormatters,
defaultMetricsOutputFormatter,
defaultEnvOutputFormatter,
_environmentInfoProvider,
_reporters,
_metricsReportRunner));
IMetricContextRegistry ContextRegistry(string context) =>
new DefaultMetricContextRegistry(context, new GlobalMetricTags(_options.GlobalTags));
}