internal Histogram(Meter meter, string name, string?unit, string?description) : base(meter, name, unit, description)
{
Publish();
}
internal ObservableGauge(Meter meter, string name, Func <T> observeValue !!, string?unit, string?description) : base(meter, name, unit, description)
/// <summary>
/// Create the metrics instrument using the properties meter, name, description, and unit.
/// All classes extending Instrument{T} need to call this constructor when constructing object of the extended class.
/// </summary>
/// <param name="meter">The meter that created the instrument.</param>
/// <param name="name">The instrument name. cannot be null.</param>
/// <param name="unit">Optional instrument unit of measurements.</param>
/// <param name="description">Optional instrument description.</param>
protected Instrument(Meter meter, string name, string?unit, string?description) : base(meter, name, unit, description)
{
ValidateTypeParameter <T>();
}
internal Counter(Meter meter, string name, string?unit, string?description) : base(meter, name, unit, description)
{
Publish();
}
/// <summary>
/// Publish is activating the instrument to start recording measurements and to allow listeners to start listening to such measurements.
/// </summary>
protected void Publish()
{
Meter.AddInstrument(this);
MeterListener.NotifyForPublishedInstrument(this);
}