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/*
* =========================================================================================
* 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.
* =========================================================================================
*/
package kamon.metrics
import com.typesafe.config.Config
import org.HdrHistogram.HdrRecorder
case class DispatcherMetrics(name: String) extends MetricGroupIdentity {
val category = DispatcherMetrics
}
object DispatcherMetrics extends MetricGroupCategory {
val name = "dispatcher"
case object MaximumPoolSize extends MetricIdentity { val name, tag = "maximum-pool-size" }
case object RunningThreadCount extends MetricIdentity { val name, tag = "running-thread-count" }
case object QueueTaskCount extends MetricIdentity { val name, tag = "queued-task-count" }
case object PoolSize extends MetricIdentity { val name, tag = "pool-size" }
case class DispatcherMetricRecorder(maximumPoolSize: MetricRecorder, runningThreadCount: MetricRecorder, queueTaskCount: MetricRecorder, poolSize: MetricRecorder)
extends MetricGroupRecorder {
def collect: MetricGroupSnapshot = {
DispatcherMetricSnapshot(maximumPoolSize.collect(), runningThreadCount.collect(), queueTaskCount.collect(), poolSize.collect())
}
}
case class DispatcherMetricSnapshot(maximumPoolSize: MetricSnapshotLike, runningThreadCount: MetricSnapshotLike, queueTaskCount: MetricSnapshotLike, poolSize: MetricSnapshotLike)
extends MetricGroupSnapshot {
val metrics: Map[MetricIdentity, MetricSnapshotLike] = Map(
(MaximumPoolSize -> maximumPoolSize),
(RunningThreadCount -> runningThreadCount),
(QueueTaskCount -> queueTaskCount),
(PoolSize -> poolSize))
}
val Factory = new MetricGroupFactory {
type GroupRecorder = DispatcherMetricRecorder
def create(config: Config): DispatcherMetricRecorder = {
val settings = config.getConfig("precision.dispatcher")
val threadCountConfig = extractPrecisionConfig(settings.getConfig("maximum-pool-size"))
val RunningThreadCountConfig = extractPrecisionConfig(settings.getConfig("running-thread-count"))
val QueueTaskCountConfig = extractPrecisionConfig(settings.getConfig("queued-task-count"))
val PoolSizeConfig = extractPrecisionConfig(settings.getConfig("pool-size"))
new DispatcherMetricRecorder(
HdrRecorder(threadCountConfig.highestTrackableValue, threadCountConfig.significantValueDigits, Scale.Unit),
HdrRecorder(RunningThreadCountConfig.highestTrackableValue, RunningThreadCountConfig.significantValueDigits, Scale.Unit),
HdrRecorder(QueueTaskCountConfig.highestTrackableValue, QueueTaskCountConfig.significantValueDigits, Scale.Unit),
HdrRecorder(PoolSizeConfig.highestTrackableValue, PoolSizeConfig.significantValueDigits, Scale.Unit))
}
}
}
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