/// <summary>
/// Adds a metric to the group, if it doesn't already exist.
/// </summary>
/// <returns>The metric.</returns>
public TMetric Add(T1 tag1, out bool isNew)
{
isNew = false;
if (_metrics.ContainsKey(tag1))
{
return(_metrics[tag1]);
}
lock (_dictionaryLock)
{
if (_metrics.ContainsKey(tag1))
{
return(_metrics[tag1]);
}
isNew = true;
TMetric metric;
if (WithoutPrefix)
{
metric = _collector.GetMetricWithoutPrefix(Name, Unit, Description, _metricFactory(tag1));
}
else
{
metric = _collector.GetMetric(Name, Unit, Description, _metricFactory(tag1));
}
_metrics[tag1] = metric;
return(metric);
}
}
