move from SingleThreadEventLoop to AbstractThreadEventLoop

patches/server/1048-Optimise-non-flush-packet-sending.patch

@@ -22,22 +22,22 @@ Locally this patch drops the entity tracker tick by a full 1.5x.
 Co-authored-by: Quang Tran <[email protected]>
 
 diff --git a/src/main/java/net/minecraft/network/Connection.java b/src/main/java/net/minecraft/network/Connection.java
-index 2ae08b21c63490bbf8cd870f9585d82ed131f815..435df4a71e19b84706d318d73cb11c1f82955251 100644
+index 2ae08b21c63490bbf8cd870f9585d82ed131f815..a437257a7178fb5a272fc8d0941948c1fc72682f 100644
 --- a/src/main/java/net/minecraft/network/Connection.java
 +++ b/src/main/java/net/minecraft/network/Connection.java
 @@ -148,6 +148,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
          this.stopReadingPackets = true;
      }
      // Paper end - packet limiter
-+    private io.netty.channel.SingleThreadEventLoop executor; // Paper - optimise packets that are not flushed
++    private io.netty.channel.AbstractEventLoop eventLoop; // Paper - optimise packets that are not flushed
 
      public Connection(PacketFlow side) {
          this.receiving = side;
 @@ -156,6 +157,7 @@ public class Connection extends SimpleChannelInboundHandler<Packet<?>> {
      public void channelActive(ChannelHandlerContext channelhandlercontext) throws Exception {
          super.channelActive(channelhandlercontext);
          this.channel = channelhandlercontext.channel();
-+        this.executor = (io.netty.channel.SingleThreadEventLoop) this.channel.eventLoop(); // Paper - optimise packets that are not flushed
++        this.eventLoop = (io.netty.channel.AbstractEventLoop) this.channel.eventLoop(); // Paper - optimise packets that are not flushed
          this.address = this.channel.remoteAddress();
          // Spigot Start
          this.preparing = false;
@@ -47,7 +47,7 @@ index 2ae08b21c63490bbf8cd870f9585d82ed131f815..435df4a71e19b84706d318d73cb11c1f
          } else {
 +            // Paper start - optimise packets that are not flushed
 +            if (!flush) {
-+                this.executor.lazyExecute(() -> this.doSendPacket(packet, callbacks, flush));
++                this.eventLoop.lazyExecute(() -> this.doSendPacket(packet, callbacks, flush));
 +            } else
 +            // Paper end - optimise packets that are not flushed
              this.channel.eventLoop().execute(() -> {