diff options
Diffstat (limited to 'kamon-core/src/main/scala/kamon/metrics/instruments/MinMaxCounter.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/metrics/instruments/MinMaxCounter.scala | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/kamon-core/src/main/scala/kamon/metrics/instruments/MinMaxCounter.scala b/kamon-core/src/main/scala/kamon/metrics/instruments/MinMaxCounter.scala deleted file mode 100644 index ba2550af..00000000 --- a/kamon-core/src/main/scala/kamon/metrics/instruments/MinMaxCounter.scala +++ /dev/null @@ -1,58 +0,0 @@ -package kamon.metrics.instruments - -/* - * ========================================================================================= - * 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._ -import jsr166e.LongMaxUpdater -import kamon.util.PaddedAtomicLong -import kamon.metrics.instruments.MinMaxCounter.CounterMeasurement - -class MinMaxCounter { - private val min = new LongMaxUpdater - private val max = new LongMaxUpdater - private val sum = new PaddedAtomicLong - - min.update(0L) - max.update(0L) - - def increment(value: Long = 1L): Unit = { - val currentValue = sum.addAndGet(value) - max.update(currentValue) - } - - def decrement(value: Long = 1L): Unit = { - val currentValue = sum.addAndGet(-value) - min.update(-currentValue) - } - - def collect(): CounterMeasurement = { - val currentValue = { - val value = sum.get() - if (value < 0) 0 else value - } - val result = CounterMeasurement(abs(min.maxThenReset()), max.maxThenReset(), currentValue) - max.update(currentValue) - min.update(-currentValue) - result - } -} - -object MinMaxCounter { - def apply() = new MinMaxCounter() - - case class CounterMeasurement(min: Long, max: Long, current: Long) -} |