From 6bdce7f95bf09b666342ab80807b9ccb5f3aed77 Mon Sep 17 00:00:00 2001
From: PJ Fanning <pjfanning@users.noreply.github.com>
Date: Thu, 15 Jun 2023 11:33:16 +0100
Subject: [PATCH] remove sequence id generator (#399)

---
 .../org/apache/pekko/io/dns/IdGenerator.scala | 21 -------------------
 1 file changed, 21 deletions(-)

diff --git a/actor/src/main/scala/org/apache/pekko/io/dns/IdGenerator.scala b/actor/src/main/scala/org/apache/pekko/io/dns/IdGenerator.scala
index 5bb3191f14..59c9e18c5a 100644
--- a/actor/src/main/scala/org/apache/pekko/io/dns/IdGenerator.scala
+++ b/actor/src/main/scala/org/apache/pekko/io/dns/IdGenerator.scala
@@ -13,8 +13,6 @@ import org.apache.pekko.annotation.InternalApi
 
 import java.security.SecureRandom
 import java.util.concurrent.ThreadLocalRandom
-import java.util.concurrent.atomic.AtomicInteger
-import scala.annotation.tailrec
 
 /**
  * INTERNAL API
@@ -59,23 +57,4 @@ private[pekko] object IdGenerator {
   def random(rand: java.util.Random): IdGenerator = new IdGenerator {
     override def nextId(): Short = rand.nextInt(Short.MaxValue).toShort
   }
-
-  /**
-   * @return a predictable sequence of ids for tests
-   */
-  def sequence(): IdGenerator = new IdGenerator {
-    val requestId: AtomicInteger = new AtomicInteger(0)
-
-    @tailrec
-    override final def nextId(): Short = {
-      val oldId = requestId.get()
-      val newId = (oldId + 1) % Short.MaxValue
-
-      if (requestId.compareAndSet(oldId, newId.intValue())) {
-        newId.toShort
-      } else {
-        nextId()
-      }
-    }
-  }
 }