/** Enable stats collection for the given {@link View}. */
internal void RegisterView(IView view, IClock clock)
{
lock (_lck)
{
exportedViews = null;
registeredViews.TryGetValue(view.Name, out IView existing);
if (existing != null)
{
if (existing.Equals(view))
{
// Ignore views that are already registered.
return;
}
else
{
throw new ArgumentException("A different view with the same name is already registered: " + existing);
}
}
IMeasure measure = view.Measure;
registeredMeasures.TryGetValue(measure.Name, out IMeasure registeredMeasure);
if (registeredMeasure != null && !registeredMeasure.Equals(measure))
{
throw new ArgumentException("A different measure with the same name is already registered: " + registeredMeasure);
}
registeredViews.Add(view.Name, view);
if (registeredMeasure == null)
{
registeredMeasures.Add(measure.Name, measure);
}
AddMutableViewData(view.Measure.Name, MutableViewData.Create(view, clock.Now));
}
}
/** Returns a {@link ViewData} corresponding to the given {@link View.Name}. */
internal IViewData GetView(IViewName viewName, IClock clock, StatsCollectionState state)
{
lock (_lck)
{
MutableViewData view = GetMutableViewData(viewName);
return(view == null ? null : view.ToViewData(clock.Now, state));
}
}
public static IAggregationData Sum(this IDictionary <TagValues, IAggregationData> aggMap, IView view)
{
var sum = MutableViewData.CreateMutableAggregation(view.Aggregation);
foreach (IAggregationData agData in aggMap.Values)
{
Sum(sum, agData);
}
return(MutableViewData.CreateAggregationData(sum, view.Measure));
}
private void AddMutableViewData(string name, MutableViewData mutableViewData)
{
if (mutableMap.ContainsKey(name))
{
mutableMap[name].Add(mutableViewData);
}
else
{
mutableMap.Add(name, new List <MutableViewData>()
{
mutableViewData
});
}
}