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);
}
public AppMetric QueryMetric(AppMetricId metricId)
{
if (mMetrics.TryGetValue(metricId, out AppMetric targetMetric))
{
return(targetMetric.Copy());
}
else
{
return(null);
}
}
public long UpdateMetric(AppMetricId metricId, Func <AppMetric, long> updateFn)
{
if (metricId == null)
{
throw new ArgumentNullException(nameof(metricId));
}
if (updateFn == null)
{
throw new ArgumentNullException(nameof(updateFn));
}
if (mMetrics.TryGetValue(metricId, out AppMetric targetMetric))
{
return(updateFn.Invoke(targetMetric));
}
else
{
throw new InvalidOperationException($"Attempted to update unsupported metric: {metricId}");
}
}
public AppMetric(AppMetricId id, long value)
{
mId = id ?? throw new ArgumentNullException(nameof(id));
mValue = value;
}
public AppMetric(AppMetricId id)
: this(id, 0)
{
return;
}
