spring cache 실험 예제 프로젝트

Author: ruthetum

spring/cacheable/src/main/java/com/example/cacheabledemo/domain/Webtoon.java

@@ -21,7 +21,7 @@ public class Webtoon implements Serializable {
     @Column(name = "webtoon_id")
     private Long id;
 
-    @Column(name = "webtoon_no", unique = true)
+    @Column(name = "webtoon_no")
     private String webtoonNo;
 
     private String title;

spring/cacheable/src/main/java/com/example/cacheabledemo/repository/WebtoonRepository.java

@@ -7,5 +7,5 @@
 import java.util.List;
 
 public interface WebtoonRepository extends JpaRepository<Webtoon, Long> {
-    List<Webtoon> findByDayOfWeek(DayOfWeek dayOfWeek);
+    List<Webtoon> findTop50ByDayOfWeek(DayOfWeek dayOfWeek);
 }

spring/cacheable/src/main/java/com/example/cacheabledemo/service/WebtoonService.java

@@ -21,12 +21,12 @@ public class WebtoonService {
 
     public List<Webtoon> getTodayWebtoon() {
         DayOfWeek todayDayOfWeek = LocalDate.now().getDayOfWeek();
-        return webtoonRepository.findByDayOfWeek(todayDayOfWeek);
+        return webtoonRepository.findTop50ByDayOfWeek(todayDayOfWeek);
     }
 
     @Cacheable(value = CacheKey.TODAY_WEBTOON, key = "0")
     public List<Webtoon> getTodayWebtoonWithCache() {
         DayOfWeek todayDayOfWeek = LocalDate.now().getDayOfWeek();
-        return webtoonRepository.findByDayOfWeek(todayDayOfWeek);
+        return webtoonRepository.findTop50ByDayOfWeek(todayDayOfWeek);
     }
 }