internal IViewData GetView(IViewName viewName, IClock clock, StatsCollectionState state)
{
lock (this.lck)
{
MutableViewData view = this.GetMutableViewData(viewName);
return(view?.ToViewData(clock.Now, state));
}
}
/** 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));
}
}
internal IViewData GetView(IViewName viewName, StatsCollectionState state)
{
lock (this.lck)
{
var view = this.GetMutableViewData(viewName);
return(view?.ToViewData(DateTimeOffset.Now, state));
}
}
// Sets current state to the given state. Returns true if the current state is changed, false
// otherwise.
internal bool Set(StatsCollectionState state)
{
if (isRead)
{
throw new ArgumentException("State was already read, cannot set state.");
}
if (state == currentState)
{
return(false);
}
else
{
currentState = state;
return(true);
}
}
internal override IViewData ToViewData(ITimestamp now, StatsCollectionState state)
{
if (state == StatsCollectionState.ENABLED)
{
return(ViewData.Create(
View,
CreateAggregationMap(tagValueAggregationMap, View.Measure),
start, now));
}
else
{
// If Stats state is DISABLED, return an empty ViewData.
return(ViewData.Create(
View,
new Dictionary <TagValues, IAggregationData>(),
ZERO_TIMESTAMP, ZERO_TIMESTAMP));
}
}
internal override IViewData ToViewData(DateTimeOffset now, StatsCollectionState state)
{
if (state == StatsCollectionState.ENABLED)
{
return(ViewData.Create(
this.View,
CreateAggregationMap(this.tagValueAggregationMap, this.View.Measure),
this.start,
now));
}
else
{
// If Stats state is DISABLED, return an empty ViewData.
return(ViewData.Create(
this.View,
new Dictionary <TagValues, IAggregationData>(),
DateTimeOffset.MinValue,
DateTimeOffset.MinValue));
}
}
/** Convert this {@link MutableViewData} to {@link ViewData}. */
internal abstract IViewData ToViewData(DateTimeOffset now, StatsCollectionState state);
/** Convert this {@link MutableViewData} to {@link ViewData}. */
internal abstract IViewData ToViewData(ITimestamp now, StatsCollectionState state);
