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-rw-r--r--kamon-core/src/legacy-main/scala/kamon/metric/instrument/MinMaxCounter.scala105
1 files changed, 0 insertions, 105 deletions
diff --git a/kamon-core/src/legacy-main/scala/kamon/metric/instrument/MinMaxCounter.scala b/kamon-core/src/legacy-main/scala/kamon/metric/instrument/MinMaxCounter.scala
deleted file mode 100644
index 76fc2c2a..00000000
--- a/kamon-core/src/legacy-main/scala/kamon/metric/instrument/MinMaxCounter.scala
+++ /dev/null
@@ -1,105 +0,0 @@
-package kamon.metric.instrument
-
-/*
- * =========================================================================================
- * Copyright © 2013-2014 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.
- * =========================================================================================
- */
-
-import java.lang.Math.abs
-import java.util.concurrent.atomic.AtomicReference
-import akka.actor.Cancellable
-import kamon.jsr166.LongMaxUpdater
-import kamon.metric.instrument.Histogram.DynamicRange
-import kamon.util.PaddedAtomicLong
-import scala.concurrent.duration.FiniteDuration
-
-trait MinMaxCounter extends Instrument {
- override type SnapshotType = Histogram.Snapshot
-
- def increment(): Unit
- def increment(times: Long): Unit
- def decrement(): Unit
- def decrement(times: Long): Unit
- def refreshValues(): Unit
-}
-
-object MinMaxCounter {
-
- def apply(dynamicRange: DynamicRange, refreshInterval: FiniteDuration, scheduler: RefreshScheduler): MinMaxCounter = {
- val underlyingHistogram = Histogram(dynamicRange)
- val minMaxCounter = new PaddedMinMaxCounter(underlyingHistogram)
- val refreshValuesSchedule = scheduler.schedule(refreshInterval, () ⇒ {
- minMaxCounter.refreshValues()
- })
-
- minMaxCounter.refreshValuesSchedule.set(refreshValuesSchedule)
- minMaxCounter
- }
-
- def create(dynamicRange: DynamicRange, refreshInterval: FiniteDuration, scheduler: RefreshScheduler): MinMaxCounter =
- apply(dynamicRange, refreshInterval, scheduler)
-
-}
-
-class PaddedMinMaxCounter(underlyingHistogram: Histogram) extends MinMaxCounter {
- private val min = new LongMaxUpdater(0L)
- private val max = new LongMaxUpdater(0L)
- private val sum = new PaddedAtomicLong
- val refreshValuesSchedule = new AtomicReference[Cancellable]()
-
- def increment(): Unit = increment(1L)
-
- def increment(times: Long): Unit = {
- val currentValue = sum.addAndGet(times)
- max.update(currentValue)
- }
-
- def decrement(): Unit = decrement(1L)
-
- def decrement(times: Long): Unit = {
- val currentValue = sum.addAndGet(-times)
- min.update(-currentValue)
- }
-
- def collect(context: CollectionContext): Histogram.Snapshot = {
- refreshValues()
- underlyingHistogram.collect(context)
- }
-
- def cleanup: Unit = {
- if (refreshValuesSchedule.get() != null)
- refreshValuesSchedule.get().cancel()
- }
-
- def refreshValues(): Unit = {
- val currentValue = {
- val value = sum.get()
- if (value <= 0) 0 else value
- }
-
- val currentMin = {
- val rawMin = min.maxThenReset(-currentValue)
- if (rawMin >= 0)
- 0
- else
- abs(rawMin)
- }
-
- val currentMax = max.maxThenReset(currentValue)
-
- underlyingHistogram.record(currentValue)
- underlyingHistogram.record(currentMin)
- underlyingHistogram.record(currentMax)
- }
-}