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/*
* =========================================================================================
* Copyright © 2013-2015 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.spm
import kamon.metric.instrument._
import kamon.util.MilliTimestamp
case class SPMMetric(ts: MilliTimestamp, category: String, name: String, instrumentName: String, unitOfMeasurement: UnitOfMeasurement, snapshot: InstrumentSnapshot)
object SPMMetric {
private def convert(unit: UnitOfMeasurement, value: Long): Long = unit match {
case t: Time ⇒ t.scale(Time.Milliseconds)(value).toLong
case m: Memory ⇒ m.scale(Memory.Bytes)(value).toLong
case _ ⇒ value
}
private def prefix(metric: SPMMetric): String = {
s"${metric.ts.millis}\t${metric.category}-${metric.instrumentName}\t${metric.ts.millis}\t${metric.name}"
}
def format(metric: SPMMetric): String = metric match {
case SPMMetric(_, _, _, _, unit, histo: Histogram#SnapshotType) ⇒ {
val min = convert(unit, histo.min)
val max = convert(unit, histo.max)
val sum = convert(unit, histo.sum)
s"${prefix(metric)}\t${min}\t${max}\t${sum}\t${histo.numberOfMeasurements}"
}
case SPMMetric(_, _, _, _, unit, counter: Counter#SnapshotType) ⇒ {
s"${prefix(metric)}\t${counter.count}"
}
}
}
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