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Implement the sampler class
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vasilmkd committed Nov 12, 2021
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/*
* Copyright 2020-2021 Typelevel
*
* 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 cats.effect.unsafe
package metrics

/**
* An implementation of the [[ComputePoolSamplerMBean]] interface which simply delegates to the
* corresponding methods of the [[cats.effect.unsafe.WorkStealingThreadPool]] being monitored.
*
* @param queue
* the monitored local queue
*/
private[unsafe] class ComputePoolSampler(compute: WorkStealingThreadPool)
extends ComputePoolSamplerMBean {
def getWorkerThreadCount(): Int = compute.getWorkerThreadCount()
def getActiveThreadCount(): Int = compute.getActiveThreadCount()
def getSearchingThreadCount(): Int = compute.getSearchingThreadCount()
def getBlockedWorkerThreadCount(): Int = compute.getBlockedWorkerThreadCount()
def getLocalQueueFiberCount(): Long = compute.getLocalQueueFiberCount()
def getSuspendedFiberCount(): Long = compute.getSuspendedFiberCount()
}

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