public TMetric RemoveLabelled(TLabels labels)
{
if (_labelledMetrics == null)
{
throw new InvalidOperationException("Metric family does not have any labels");
}
var key = LabelsHelper.GetHashCode(labels);
_labelledMetrics.TryRemove(key, out var removed);
return(removed);
}
public TMetric WithLabels(TLabels labels)
{
if (_labelledMetrics == null)
{
throw new InvalidOperationException("Metric family does not have any labels");
}
var key = LabelsHelper.GetHashCode(labels);
if (_labelledMetrics.TryGetValue(key, out var metric))
{
return(metric);
}
metric = CreateLabelled(LabelsHelper.ToArray(labels));
return(_labelledMetrics.GetOrAdd(key, metric));
}
TMetric IMetricFamily <TMetric> .RemoveLabelled(params string[] labels)
{
if (_labelledMetrics == null)
{
throw new InvalidOperationException("Metric family does not have any labels");
}
if (labels.Length != _configuration.LabelNames.Count)
{
throw new ArgumentException("Wrong number of labels");
}
var key = LabelsHelper.GetHashCode(labels);
_labelledMetrics.TryRemove(key, out var removed);
return(removed);
}
TMetric IMetricFamily <TMetric> .WithLabels(params string[] labels)
{
if (_labelledMetrics == null)
{
throw new InvalidOperationException("Metric family does not have any labels");
}
if (labels.Length != _configuration.LabelNames.Count)
{
throw new ArgumentException("Wrong number of labels");
}
var key = LabelsHelper.GetHashCode(labels);
if (_labelledMetrics.TryGetValue(key, out var metric))
{
return(metric);
}
metric = CreateLabelled(labels);
return(_labelledMetrics.GetOrAdd(key, metric));
}
