From a84011ca1fb70169e0d8a917db6801621f92bc15 Mon Sep 17 00:00:00 2001
From: Guillaume Smet <guillaume.smet@gmail.com>
Date: Fri, 2 Aug 2024 11:19:27 +0200
Subject: [PATCH] Make sure we cache the hashCode as it will be called a lot
 (#6)

---
 .../org/eclipse/aether/internal/impl/collect/DataPool.java  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DataPool.java b/maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DataPool.java
index d5ac4162f..9e9849e03 100644
--- a/maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DataPool.java
+++ b/maven-resolver-impl/src/main/java/org/eclipse/aether/internal/impl/collect/DataPool.java
@@ -276,9 +276,11 @@ public void putChildren(Object key, List<DependencyNode> children) {
 
     public static final class DescriptorKey {
         private final Artifact artifact;
+        private final int hashCode;
 
         private DescriptorKey(Artifact artifact) {
             this.artifact = artifact;
+            this.hashCode = buildHashCode();
         }
 
         @Override
@@ -295,6 +297,10 @@ public boolean equals(Object o) {
 
         @Override
         public int hashCode() {
+            return hashCode;
+        }
+
+        private int buildHashCode() {
             return Objects.hashCode(artifact);
         }