From 2c8ba210b68fbdb1a8d497884bda8f84d38262e8 Mon Sep 17 00:00:00 2001
From: Zhiqiang Wang <budingbuting@outlook.com>
Date: Thu, 11 Jul 2024 10:27:00 +0800
Subject: [PATCH] GH-3349: Polish

Fixes: #3349

* The KafkaListenerEndpointRegistry refactoring for List.isEmpty() instead of List.size() > 0
---
 .../kafka/config/KafkaListenerEndpointRegistry.java             | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointRegistry.java b/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointRegistry.java
index da5e2692b9..46072b7277 100644
--- a/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointRegistry.java
+++ b/spring-kafka/src/main/java/org/springframework/kafka/config/KafkaListenerEndpointRegistry.java
@@ -396,7 +396,7 @@ public void stop() {
 	public void stop(Runnable callback) {
 		this.running = false;
 		Collection<MessageListenerContainer> listenerContainersToStop = getListenerContainers();
-		if (listenerContainersToStop.size() > 0) {
+		if (!listenerContainersToStop.isEmpty()) {
 			AggregatingCallback aggregatingCallback = new AggregatingCallback(listenerContainersToStop.size(),
 					callback);
 			for (MessageListenerContainer listenerContainer : listenerContainersToStop) {