papermc/Spigot-Server-Patches/0472-Reduce-Either-Optional-allocation.patch
Aikar 24d93aafa2
Fix Optional null issue - Fixes #3155
Also check class loader cache before locking to speed up cached hits to avoid the lock

wasn't gonna make a unique build just for that but can lump it in here.
2020-04-16 03:57:02 -04:00

59 lines
2.3 KiB
Diff

From f05a44606eb3f3467c092da8ade51d8de1220561 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Mon, 6 Apr 2020 18:35:09 -0700
Subject: [PATCH] Reduce Either Optional allocation
In order to get chunk values, we shouldn't need to create
an optional each time.
diff --git a/src/main/java/com/mojang/datafixers/util/Either.java b/src/main/java/com/mojang/datafixers/util/Either.java
index a90adac7b..4bb621d57 100644
--- a/src/main/java/com/mojang/datafixers/util/Either.java
+++ b/src/main/java/com/mojang/datafixers/util/Either.java
@@ -22,10 +22,10 @@ public abstract class Either<L, R> implements App<Either.Mu<R>, L> {
}
private static final class Left<L, R> extends Either<L, R> {
- private final L value;
+ private final L value; private final Optional<L> valueOptional; // Paper - reduce the optional allocation...
public Left(final L value) {
- this.value = value;
+ this.value = value; this.valueOptional = value != null ? Optional.of(value) : Optional.empty(); // Paper - reduce the optional allocation...
}
@Override
@@ -51,7 +51,7 @@ public abstract class Either<L, R> implements App<Either.Mu<R>, L> {
@Override
public Optional<L> left() {
- return Optional.of(value);
+ return this.valueOptional; // Paper - reduce the optional allocation...
}
@Override
@@ -83,10 +83,10 @@ public abstract class Either<L, R> implements App<Either.Mu<R>, L> {
}
private static final class Right<L, R> extends Either<L, R> {
- private final R value;
+ private final R value; private final Optional<R> valueOptional; // Paper - reduce the optional allocation...
public Right(final R value) {
- this.value = value;
+ this.value = value; this.valueOptional = value != null ? Optional.of(value) : Optional.empty(); // Paper - reduce the optional allocation...
}
@Override
@@ -117,7 +117,7 @@ public abstract class Either<L, R> implements App<Either.Mu<R>, L> {
@Override
public Optional<R> right() {
- return Optional.of(value);
+ return this.valueOptional; // Paper - reduce the optional allocation...
}
@Override
--
2.25.1