Struct HistogramAggregator

pub struct HistogramAggregator { /* private fields */ }

Available on crate feature metrics only.

This aggregator observes events and counts them in pre-determined buckets. It also calculates the sum and count of all events.

Trait Implementations

impl Aggregator for HistogramAggregator

fn update(&self, number: &Number, descriptor: &Descriptor) -> Result<()>

Update receives a new measured value and incorporates it into the aggregation. Update calls may be called concurrently.

fn synchronized_move( &self, other: &Arc<dyn Aggregator + Send + Sync>, _descriptor: &Descriptor, ) -> Result<()>

This method is called during collection to finish one period of aggregation by atomically saving the currently-updating state into the argument Aggregator.

fn merge( &self, other: &(dyn Aggregator + Send + Sync), desc: &Descriptor, ) -> Result<()>

This combines the checkpointed state from the argument Aggregator into this Aggregator. merge is not synchronized with respect to update or synchronized_move.

fn as_any(&self) -> &dyn Any

Returns the implementing aggregator as Any for downcasting.

impl Count for HistogramAggregator

fn count(&self) -> Result<u64>

The count of the currently aggregated metrics

impl Debug for HistogramAggregator

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Histogram for HistogramAggregator

fn histogram(&self) -> Result<Buckets>

Buckets for this histogram.

impl Sum for HistogramAggregator

fn sum(&self) -> Result<Number>

The sum of the currently aggregated metrics