/// <summary>
/// Given a new <seealso cref="Gauge{T}" />, registers it under the given metric name.
/// </summary>
/// <param name="metricName">the name of the metric</param>
/// <param name="metric">the metric</param>
/// <typeparam name="T">the type of the value returned by the metric</typeparam>
/// <returns>{@code metric}</returns>
public Gauge<T> NewGauge<T>(
MetricName metricName,
Gauge<T> metric)
{
return GetOrAdd(metricName, metric);
}
private void NotifyMetricAdded(
MetricName name,
Metric metric)
{
MetricAdded?.Invoke(this, new MetricsRegistryEventArgs(name, metric));
}
/// <summary>
/// Creates a new <seealso cref="Counter" /> and registers it under the given metric name.
/// </summary>
/// <param name="metricName">the name of the metric</param>
/// <returns>a new <seealso cref="Counter"/></returns>
public Counter NewCounter(MetricName metricName)
{
return GetOrAdd(metricName, new Counter());
}
private void NotifyMetricRemoved(MetricName name)
{
MetricRemoved?.Invoke(this, new MetricsRegistryEventArgs(name));
}
/// <summary>
/// Initializes a new instance of the <see cref="MetricsRegistryEventArgs"/> class.
/// </summary>
/// <param name="name">The name.</param>
public MetricsRegistryEventArgs(MetricName name)
{
Name = name;
}