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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 kamon.metrics._
import kamon.metrics.MetricSnapshot.Measurement
import jsr166e.LongAdder
class CounterRecorder extends MetricRecorder {
private val counter = new LongAdder
def record(value: Long): Unit = {
counter.add(value)
}
def collect(): MetricSnapshotLike = {
val sum = counter.sumThenReset()
MetricSnapshot(InstrumentTypes.Counter, sum, Scale.Unit, Vector(Measurement(1, sum)))
}
}
object CounterRecorder {
def apply(): CounterRecorder = new CounterRecorder()
}
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