From b260e19fac6fc85822c53abc4688e90b6166a0af Mon Sep 17 00:00:00 2001 From: Diego Date: Wed, 30 Apr 2014 00:35:07 -0300 Subject: ! core: new counter recorder based on LongAdder --- .../metrics/instruments/CounterRecorder.scala | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 kamon-core/src/main/scala/kamon/metrics/instruments/CounterRecorder.scala (limited to 'kamon-core/src/main/scala/kamon/metrics/instruments/CounterRecorder.scala') diff --git a/kamon-core/src/main/scala/kamon/metrics/instruments/CounterRecorder.scala b/kamon-core/src/main/scala/kamon/metrics/instruments/CounterRecorder.scala new file mode 100644 index 00000000..1ab743d2 --- /dev/null +++ b/kamon-core/src/main/scala/kamon/metrics/instruments/CounterRecorder.scala @@ -0,0 +1,36 @@ +package kamon.metrics.instruments +/* + * ========================================================================================= + * Copyright © 2013-2014 the kamon project + * + * 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() = new CounterRecorder +} \ No newline at end of file -- cgit v1.2.3