Aggregator (opentelemetry-sdk-metrics 0.12.0 API)

All Known Implementing Classes:

DoubleLastValueAggregator, DoubleMinMaxSumCount, DoubleSumAggregator, LongLastValueAggregator, LongMinMaxSumCount, LongSumAggregator, NoopAggregator
```
@ThreadSafe
public interface Aggregator
```
Aggregator represents the interface for all the available aggregations.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`hasRecordings()`	Whether there have been any recordings since this aggregator has been reset.
`void`	`mergeToAndReset(Aggregator aggregator)`	Merges the current value into the given `aggregator` and resets the current value in this `Aggregator`.
`void`	`recordDouble(double value)`	Updates the current aggregator with a newly recorded `double` value.
`void`	`recordLong(long value)`	Updates the current aggregator with a newly recorded `long` value.
`MetricData.Point`	`toPoint(long startEpochNanos, long epochNanos, io.opentelemetry.api.common.Labels labels)`	Returns the `Point` with the given properties and the value from this Aggregation.

- Method Detail
  - mergeToAndReset
```
void mergeToAndReset(Aggregator aggregator)
```
    Merges the current value into the given aggregator and resets the current value in this Aggregator.
    
    Parameters:
    
    aggregator - value to merge into.
  - toPoint
```
@Nullable
MetricData.Point toPoint(long startEpochNanos,
                         long epochNanos,
                         io.opentelemetry.api.common.Labels labels)
```
    Returns the Point with the given properties and the value from this Aggregation.
    
    Parameters:
    
    startEpochNanos - the startEpochNanos for the Point.
    
    epochNanos - the epochNanos for the Point.
    
    labels - the labels for the Point.
    
    Returns:
    
    the Point with the value from this Aggregation.
  - recordLong
```
void recordLong(long value)
```
    Updates the current aggregator with a newly recorded long value.
    
    Parameters:
    
    value - the new long value to be added.
  - recordDouble
```
void recordDouble(double value)
```
    Updates the current aggregator with a newly recorded double value.
    
    Parameters:
    
    value - the new double value to be added.
  - hasRecordings
```
boolean hasRecordings()
```
    Whether there have been any recordings since this aggregator has been reset.