/// <summary>Closes the sampler, and any sub-samplers.</summary>
public void Close()
{
lock (_lock)
{
DefaultSampler.Close();
foreach (var sampler in SamplingFilters.Select(f => f.TargetSampler))
{
sampler.Close();
}
}
}
/// <summary>Makes a decision on tracing a span.</summary>
/// <param name="operation">The operation being executed. (This is not just the HTTP Method)</param>
/// <param name="id">The ID of the span.</param>
public SamplingStatus Sample(string operation, TraceId id)
{
lock (_lock)
{
var context = HttpContextAccessor.HttpContext;
return(SamplingFilters.Find(f => f.ShouldSample(context.Request))
?.TargetSampler?.Sample(operation, id)
?? DefaultSampler.Sample(operation, id));
}
}