From 41f259197d04c02fd6d3354cea4541b7f9dd0471 Mon Sep 17 00:00:00 2001
From: Patrick Strawderman <patrick@kilink.net>
Date: Sat, 2 Apr 2022 12:22:36 -0700
Subject: [PATCH] Replace usage of Stack with Deque / ArrayDeque

Replace Stack with ArrayDeque in TypeInfo.
---
 src/main/java/graphql/schema/idl/TypeInfo.java | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/src/main/java/graphql/schema/idl/TypeInfo.java b/src/main/java/graphql/schema/idl/TypeInfo.java
index fcc34b3fb4..fe12d49885 100644
--- a/src/main/java/graphql/schema/idl/TypeInfo.java
+++ b/src/main/java/graphql/schema/idl/TypeInfo.java
@@ -8,8 +8,9 @@
 import graphql.language.TypeName;
 import graphql.schema.GraphQLType;
 
+import java.util.ArrayDeque;
+import java.util.Deque;
 import java.util.Objects;
-import java.util.Stack;
 
 import static graphql.Assert.assertNotNull;
 import static graphql.schema.GraphQLList.list;
@@ -27,7 +28,7 @@ public static TypeInfo typeInfo(Type type) {
 
     private final Type rawType;
     private final TypeName typeName;
-    private final Stack<Class<?>> decoration = new Stack<>();
+    private final Deque<Class<?>> decoration = new ArrayDeque<>();
 
     private TypeInfo(Type type) {
         this.rawType = assertNotNull(type, () -> "type must not be null");
@@ -79,8 +80,7 @@ public TypeInfo renameAs(String newName) {
 
         Type out = TypeName.newTypeName(newName).build();
 
-        Stack<Class<?>> wrappingStack = new Stack<>();
-        wrappingStack.addAll(this.decoration);
+        Deque<Class<?>> wrappingStack = new ArrayDeque<>(this.decoration);
         while (!wrappingStack.isEmpty()) {
             Class<?> clazz = wrappingStack.pop();
             if (clazz.equals(NonNullType.class)) {
@@ -106,8 +106,7 @@ public TypeInfo renameAs(String newName) {
     public <T extends GraphQLType> T decorate(GraphQLType objectType) {
 
         GraphQLType out = objectType;
-        Stack<Class<?>> wrappingStack = new Stack<>();
-        wrappingStack.addAll(this.decoration);
+        Deque<Class<?>> wrappingStack = new ArrayDeque<>(this.decoration);
         while (!wrappingStack.isEmpty()) {
             Class<?> clazz = wrappingStack.pop();
             if (clazz.equals(NonNullType.class)) {