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Add package private isAlive and specific Exception type #535

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merged 2 commits into from
May 25, 2021
Merged

Add package private isAlive and specific Exception type #535

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ada8b98
Add package private isAlive and specific Exception type
hamnis May 25, 2021
f22b1f7
Remove NoStackTrace, premature optimization
hamnis May 25, 2021
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6 changes: 4 additions & 2 deletions core/src/main/scala/org/http4s/blaze/util/TickWheelExecutor.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,6 @@
package org.http4s.blaze.util

import java.util.concurrent.atomic.AtomicReference

import scala.annotation.tailrec
import scala.util.control.NonFatal
import scala.concurrent.ExecutionContext
Expand Down Expand Up @@ -77,6 +76,8 @@ class TickWheelExecutor(wheelSize: Int = DefaultWheelSize, val tick: Duration =
def shutdown(): Unit =
alive = false

private[http4s] def isAlive = alive

/** Schedule the `Runnable` on the [[TickWheelExecutor]]
*
* Execution is performed on the [[TickWheelExecutor]]s thread, so only extremely small
Expand Down Expand Up @@ -127,7 +128,7 @@ class TickWheelExecutor(wheelSize: Int = DefaultWheelSize, val tick: Duration =
Cancelable.NoopCancel
}
}
else sys.error("TickWheelExecutor is shutdown")
else throw TickWheelExecutor.AlreadyShutdownException

// Deals with appending and removing tasks from the buckets
private def handleTasks(): Unit = {
Expand Down Expand Up @@ -273,6 +274,7 @@ class TickWheelExecutor(wheelSize: Int = DefaultWheelSize, val tick: Duration =
}

object TickWheelExecutor {
object AlreadyShutdownException extends RuntimeException("TickWheelExecutor is shutdown")

/** Default size of the hash wheel */
val DefaultWheelSize = 512
Expand Down