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Use ArrayList instead of LinkedList in CompositeRetryListener

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CompositeRetryListener currently uses LinkedList to store registered
listeners. The primary operation on this list is iteration (traversing
all listeners on every retry lifecycle event). ArrayList provides
better iteration performance due to better cache locality and lower
memory overhead.

Closes gh-37231

Signed-off-by: Chengang Guan <guanchengang@qq.com>
This commit is contained in:
Chengang Guan
2026-09-03 11:45:36 +02:00
committed by Sam Brannen
parent ea42275dcf
commit f2fe79e56d
1 changed files with 2 additions and 2 deletions
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spring-core/src/main/java/org/springframework/core/retry/support/CompositeRetryListener.java
+2 -2
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@@ -16,7 +16,7 @@
package org.springframework.core.retry.support;
import java.util.LinkedList;
import java.util.ArrayList;
import java.util.List;
import org.jspecify.annotations.Nullable;
@@ -42,7 +42,7 @@ import org.springframework.util.Assert;
*/
public class CompositeRetryListener implements RetryListener {
private final List<RetryListener> listeners = new LinkedList<>();
private final List<RetryListener> listeners = new ArrayList<>();
/**