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31 lines
1.4 KiB
Diff
31 lines
1.4 KiB
Diff
From 02485329579ce13c80b522e35a9dbf9602e0d82e Mon Sep 17 00:00:00 2001
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From: Brokkonaut <hannos17@gmx.de>
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Date: Fri, 20 Oct 2017 04:33:45 +0200
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Subject: [PATCH] Replace HashSet with fastutil's ObjectOpenHashSet in
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HashTreeSet
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HashSet sometimes uses compareTo() instead of equals() and this breaks the comparison of net.minecraft.server.NextTickListEntry (the only place where HashTreeSet is used).
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In this cases duplicate entries could be added to the HashSet of HashTreeSet, because NextTickListEntry.compareTo() does not return 0, even if NextTickListEntry.equals() returns true.
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ObjectOpenHashSet never uses compareTo(), so the inconsistencies of NextTickListEntry cause no problems.
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Fixes https://github.com/PaperMC/Paper/issues/588
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diff --git a/src/main/java/org/bukkit/craftbukkit/util/HashTreeSet.java b/src/main/java/org/bukkit/craftbukkit/util/HashTreeSet.java
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index 80a5c29f3..cd864c404 100644
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--- a/src/main/java/org/bukkit/craftbukkit/util/HashTreeSet.java
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+++ b/src/main/java/org/bukkit/craftbukkit/util/HashTreeSet.java
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@@ -8,7 +8,7 @@ import java.util.TreeSet;
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public class HashTreeSet<V> implements Set<V> {
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- private HashSet<V> hash = new HashSet<V>();
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+ private Set<V> hash = new it.unimi.dsi.fastutil.objects.ObjectOpenHashSet<V>(); //Paper - Replace java.util.HashSet with ObjectOpenHashSet
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private TreeSet<V> tree = new TreeSet<V>();
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public HashTreeSet() {
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--
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2.18.0
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