org.apache.rocketmq.shaded.io.opentelemetry.sdk.metrics.data.HistogramPointData Maven / Gradle / Ivy
/*
* Copyright The OpenTelemetry Authors
* SPDX-License-Identifier: Apache-2.0
*/
package org.apache.rocketmq.shaded.io.opentelemetry.sdk.metrics.data;
import java.util.List;
/**
* A histogram metric point.
*
* See:
* https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/datamodel.md#histogram
*/
public interface HistogramPointData extends PointData {
/**
* The sum of all measurements recorded.
*
* @return the sum of recorded measurements.
*/
double getSum();
/**
* The number of measurements taken.
*
* @return the count of recorded measurements.
*/
long getCount();
/** Return {@code true} if {@link #getMin()} is set. */
boolean hasMin();
/**
* The min of all measurements recorded, if {@link #hasMin()} is {@code true}. If {@link
* #hasMin()} is {@code false}, the response should be ignored.
*/
double getMin();
/** Return {@code true} if {@link #getMax()} is set. */
boolean hasMax();
/**
* The max of all measurements recorded, if {@link #hasMax()} is {@code true}. If {@link
* #hasMax()} is {@code false}, the response should be ignored.
*/
double getMax();
/**
* The bucket boundaries. For a Histogram with N defined boundaries, e.g, [x, y, z]. There are N+1
* counts: (-inf, x], (x, y], (y, z], (z, +inf).
*
* @return the read-only bucket boundaries in increasing order. do not mutate the returned
* object.
*/
List getBoundaries();
/**
* The counts in each bucket.
*
* @return the read-only counts in each bucket. do not mutate the returned object.
*/
List getCounts();
/** List of exemplars collected from measurements that were used to form the data point. */
@Override
List getExemplars();
}