Change from arrayList to immutableList in OrderedComposite#iterator

sjh836 · fmbenhassine · commit b4cb1f3d5695 · 2023-09-14T11:44:52.000+02:00
(cherry picked from commit d9bf57e)
diff --git a/spring-batch-core/src/main/java/org/springframework/batch/core/listener/OrderedComposite.java b/spring-batch-core/src/main/java/org/springframework/batch/core/listener/OrderedComposite.java
@@ -83,7 +83,7 @@ else if (!unordered.contains(item)) {
 	 * @return an iterator over the list of items
 	 */
 	public Iterator<S> iterator() {
-		return new ArrayList<>(list).iterator();
+		return Collections.unmodifiableList(list).iterator();
 	}
 
 	/**

Original file line number	Diff line number	Diff line change
`@@ -83,7 +83,7 @@ else if (!unordered.contains(item)) {`
`83`	`83`	`* @return an iterator over the list of items`
`84`	`84`	`*/`
`85`	`85`	`public Iterator<S> iterator() {`
`86`		`- return new ArrayList<>(list).iterator();`
	`86`	`+ return Collections.unmodifiableList(list).iterator();`
`87`	`87`	`}`
`88`	`88`
`89`	`89`	`/**`