/// <summary>
/// Enable stats collection for the given <see cref="IView"/>.
/// </summary>
/// <param name="view">The view.</param>
internal void RegisterView(IView view)
{
this.exportedViews = null;
this.registeredViews.TryGetValue(view.Name, out var 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);
}
}
var measure = view.Measure;
this.registeredMeasures.TryGetValue(measure.Name, out var registeredMeasure);
if (registeredMeasure != null && !registeredMeasure.Equals(measure))
{
throw new ArgumentException("A different measure with the same name is already registered: " + registeredMeasure);
}
this.registeredViews.Add(view.Name, view);
if (registeredMeasure == null)
{
this.registeredMeasures.Add(measure.Name, measure);
}
this.AddMutableViewData(view.Measure.Name, MutableViewData.Create(view, DateTimeOffset.Now));
}
internal IViewData GetView(IViewName viewName, StatsCollectionState state)
{
lock (this.lck)
{
MutableViewData view = this.GetMutableViewData(viewName);
return(view?.ToViewData(DateTimeOffset.Now, state));
}
}
public static IAggregationData Sum(this IDictionary <TagValues, IAggregationData> aggMap, IView view)
{
var sum = MutableViewData.CreateMutableAggregation(view.Aggregation);
foreach (var agData in aggMap.Values)
{
Sum(sum, agData);
}
return(MutableViewData.CreateAggregationData(sum, view.Measure));
}
private void AddMutableViewData(string name, MutableViewData mutableViewData)
{
if (this.mutableMap.ContainsKey(name))
{
this.mutableMap[name].Add(mutableViewData);
}
else
{
this.mutableMap.Add(name, new List <MutableViewData>()
{
mutableViewData
});
}
}