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/* =========================================================================================
* Copyright © 2013-2017 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon
package metric
/**
*
* @param interval
* @param metrics
*/
case class TickSnapshot(interval: Interval, metrics: MetricsSnapshot)
case class Interval(from: Long, to: Long)
case class MetricsSnapshot(
histograms: Seq[MetricDistribution],
rangeSamplers: Seq[MetricDistribution],
gauges: Seq[MetricValue],
counters: Seq[MetricValue]
)
/**
* Snapshot for instruments that internally track a single value. Meant to be used for counters and gauges.
*
*/
case class MetricValue(name: String, tags: Tags, unit: MeasurementUnit, value: Long)
/**
* Snapshot for instruments that internally the distribution of values in a defined dynamic range. Meant to be used
* with histograms and min max counters.
*/
case class MetricDistribution(name: String, tags: Tags, unit: MeasurementUnit, dynamicRange: DynamicRange, distribution: Distribution)
trait Distribution {
def buckets: Seq[Bucket]
def bucketsIterator: Iterator[Bucket]
def min: Long
def max: Long
def sum: Long
def count: Long
def percentile(p: Double): Percentile
def percentiles: Seq[Percentile]
def percentilesIterator: Iterator[Percentile]
}
trait Bucket {
def value: Long
def frequency: Long
}
trait Percentile {
def quantile: Double
def value: Long
def countUnderQuantile: Long
}
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