public static AppMetric JoinQueryMetric(AppMetricId metricId, params IAppMetricsProvider[] collections)
{
if (metricId == null)
{
throw new ArgumentNullException(nameof(metricId));
}
if (collections == null || collections.Length == 0)
{
throw new ArgumentNullException(nameof(collections));
}
AppMetric retVal = null;
foreach (IAppMetricsProvider c in collections)
{
AppMetric cMetric = c.QueryMetric(metricId);
if (cMetric != null)
{
if (retVal != null)
{
retVal = retVal.JoinWith(cMetric);
}
else
{
retVal = cMetric.Copy();
}
}
}
return(retVal);
}
private static Dictionary <AppMetricId, AppMetric> JoinMetricsFromProviders(IEnumerable <IAppMetricsProvider> collections)
{
Dictionary <AppMetricId, AppMetric> metrics =
new Dictionary <AppMetricId, AppMetric>();
foreach (IAppMetricsProvider c in collections)
{
foreach (AppMetric cMetric in c.CollectMetrics())
{
AppMetric cMetricToAdd = cMetric.Copy();
if (metrics.TryGetValue(cMetricToAdd.Id, out AppMetric existing))
{
metrics[cMetricToAdd.Id] = existing.JoinWith(cMetricToAdd);
}
else
{
metrics[cMetricToAdd.Id] = cMetricToAdd;
}
}
}
return(metrics);
}
