bugfix

- update security settings

README.md

@@ -115,8 +115,3 @@ alter table user_roles
         - https://daddyprogrammer.org/post/2695/springboot2-simple-jpa-board/
     - Git
         - https://github.com/codej99/SpringRestApi/tree/feature/board
-  - SpringBoot2로 Rest api 만들기(15) – Redis로 api 결과 캐싱(Caching)처리
-    - Document
-        - https://daddyprogrammer.org/post/3870/spring-rest-api-redis-caching/
-    - Git
-        - https://github.com/codej99/SpringRestApi/tree/cache-data-redis

build.gradle

@@ -26,9 +26,6 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-actuator'
-    implementation 'org.springframework.boot:spring-boot-starter-data-redis'
-    //embedded-redis
-    implementation 'it.ozimov:embedded-redis:0.7.2'
     implementation 'io.jsonwebtoken:jjwt:0.9.1'
     implementation 'io.springfox:springfox-swagger2:2.6.1'
     implementation 'io.springfox:springfox-swagger-ui:2.6.1'

src/main/java/com/rest/api/common/CacheKey.java

@@ -1,14 +0,0 @@
-package com.rest.api.common;
-
-public class CacheKey {
-
-    public static final int DEFAULT_EXPIRE_SEC = 60; // 1 minutes
-    public static final String USER = "user";
-    public static final int USER_EXPIRE_SEC = 60 * 5; // 5 minutes
-    public static final String BOARD = "board";
-    public static final int BOARD_EXPIRE_SEC = 60 * 10; // 10 minutes
-    public static final String POST = "post";
-    public static final String POSTS = "posts";
-    public static final int POST_EXPIRE_SEC = 60 * 5; // 5 minutes
-
-}

src/main/java/com/rest/api/config/EmbeddedRedisConfig.java

@@ -1,35 +0,0 @@
-package com.rest.api.config;
-
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Profile;
-import redis.embedded.RedisServer;
-
-import javax.annotation.PostConstruct;
-import javax.annotation.PreDestroy;
-
-/**
- * 로컬 환경일경우 내장 레디스가 실행된다.
- */
-@Profile("local")
-@Configuration
-public class EmbeddedRedisConfig {
-
-    @Value("${spring.redis.port}")
-    private int redisPort;
-
-    private RedisServer redisServer;
-
-    @PostConstruct
-    public void redisServer() {
-        redisServer = new RedisServer(redisPort);
-        redisServer.start();
-    }
-
-    @PreDestroy
-    public void stopRedis() {
-        if (redisServer != null) {
-            redisServer.stop();
-        }
-    }
-}

src/main/java/com/rest/api/config/RedisConfig.java

@@ -1,49 +0,0 @@
-package com.rest.api.config;
-
-import com.rest.api.common.CacheKey;
-import lombok.RequiredArgsConstructor;
-import org.springframework.cache.annotation.EnableCaching;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.data.redis.cache.CacheKeyPrefix;
-import org.springframework.data.redis.cache.RedisCacheConfiguration;
-import org.springframework.data.redis.cache.RedisCacheManager;
-import org.springframework.data.redis.connection.RedisConnectionFactory;
-import org.springframework.data.redis.core.RedisTemplate;
-import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
-import org.springframework.data.redis.serializer.RedisSerializationContext;
-import org.springframework.data.redis.serializer.StringRedisSerializer;
-
-import java.time.Duration;
-import java.util.HashMap;
-import java.util.Map;
-
-@RequiredArgsConstructor
-@EnableCaching
-@Configuration
-public class RedisConfig {
-
-    @Bean(name = "cacheManager")
-    public RedisCacheManager cacheManager(RedisConnectionFactory connectionFactory) {
-
-        RedisCacheConfiguration configuration = RedisCacheConfiguration.defaultCacheConfig()
-                .disableCachingNullValues()
-                .entryTtl(Duration.ofSeconds(CacheKey.DEFAULT_EXPIRE_SEC))
-                .computePrefixWith(CacheKeyPrefix.simple())
-                .serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
-
-        Map<String, RedisCacheConfiguration> cacheConfigurations = new HashMap<>();
-        // 캐시 default 유효시간 설정
-        cacheConfigurations.put(CacheKey.USER, RedisCacheConfiguration.defaultCacheConfig()
-                .entryTtl(Duration.ofSeconds(CacheKey.USER_EXPIRE_SEC)));
-        cacheConfigurations.put(CacheKey.BOARD, RedisCacheConfiguration.defaultCacheConfig()
-                .entryTtl(Duration.ofSeconds(CacheKey.BOARD_EXPIRE_SEC)));
-        cacheConfigurations.put(CacheKey.POST, RedisCacheConfiguration.defaultCacheConfig()
-                .entryTtl(Duration.ofSeconds(CacheKey.POST_EXPIRE_SEC)));
-        cacheConfigurations.put(CacheKey.POSTS, RedisCacheConfiguration.defaultCacheConfig()
-                .entryTtl(Duration.ofSeconds(CacheKey.POST_EXPIRE_SEC)));
-
-        return RedisCacheManager.RedisCacheManagerBuilder.fromConnectionFactory(connectionFactory).cacheDefaults(configuration)
-                .withInitialCacheConfigurations(cacheConfigurations).build();
-    }
-}

src/main/java/com/rest/api/controller/HelloController.java

@@ -1,18 +1,27 @@
 package com.rest.api.controller;
 
+import com.rest.api.entity.Employ;
+import com.rest.api.entity.Member;
+import com.rest.api.repo.EmployJpaRepo;
+import com.rest.api.repo.MemberJpaRepo;
 import lombok.Getter;
+import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
+@RequiredArgsConstructor
 @Slf4j
 @Controller
 public class HelloController {
 
     private static final String HELLO = "helloworld-nice to meet you";
 
+    private final EmployJpaRepo employJpaRepo;
+    private final MemberJpaRepo memberJpaRepo;
+
     @Setter
     @Getter
     public static class Hello {
@@ -21,23 +30,27 @@ public class HelloController {
 
     @GetMapping(value = "/helloworld/string")
     @ResponseBody
-    public String helloworldString() {
+    public Employ helloworldString() {
+
+        Employ employ = Employ.builder().employee(memberJpaRepo.findById(1L).get()).build();
+        employ = employJpaRepo.save(employ);
         log.debug("Helloworld");
         log.info("Helloworld");
-        return HELLO;
+        return employ;
     }
 
     @GetMapping(value = "/helloworld/json")
     @ResponseBody
-    public Hello helloworldJson() {
-        Hello hello = new Hello();
-        hello.message = HELLO;
-        return hello;
+    public Employ helloworldJson() {
+        return employJpaRepo.findById(2L).get();
     }
 
     @GetMapping(value = "/helloworld/page")
     public String helloworld() {
-        return "helloworld";
+        memberJpaRepo.save(Member.builder().email("happydaddy@naver.com").name("happydaddy").build());
+        memberJpaRepo.save(Member.builder().email("angrydaddy@naver.com").name("angrydaddy").build());
+        return "true";
+//        return HELLO;
     }
 
     @GetMapping("/helloworld/long-process")

src/main/java/com/rest/api/entity/Employ.java

@@ -0,0 +1,29 @@
+package com.rest.api.entity;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+
+@NoArgsConstructor
+@Entity
+@Getter
+public class Employ {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long employId;
+    @OneToOne
+    @JoinColumn(name = "employer_id")
+    private Member employer;
+    @OneToOne
+    @JoinColumn(name = "employee_id")
+    private Member employee;
+
+    @Builder
+    public Employ(Member employer, Member employee) {
+        this.employer = employer;
+        this.employee = employee;
+    }
+}

src/main/java/com/rest/api/entity/Member.java

@@ -0,0 +1,28 @@
+package com.rest.api.entity;
+
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.util.Date;
+
+@NoArgsConstructor
+@Entity
+@Getter
+public class Member {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private long uid;
+    @Column(name = "email", unique = true)
+    private String email;
+    private String name;
+    private Date createDate;
+
+    @Builder
+    public Member(String email, String name) {
+        this.email = email;
+        this.name = name;
+        this.createDate = new Date();
+    }
+}

src/main/java/com/rest/api/entity/User.java

@@ -4,7 +4,6 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.rest.api.entity.common.CommonDateEntity;
 import lombok.*;
-import org.hibernate.annotations.Proxy;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.UserDetails;
@@ -23,7 +22,6 @@ import java.util.stream.Collectors;
 @AllArgsConstructor // 인자를 모두 갖춘 생성자를 자동으로 생성합니다.
 @Table(name = "user") // 'user' 테이블과 매핑됨을 명시
 @JsonIgnoreProperties({"hibernateLazyInitializer", "handler"}) // Post Entity에서 User와의 관계를 Json으로 변환시 오류 방지를 위한 코드
-@Proxy(lazy = false)
 public class User extends CommonDateEntity implements UserDetails {
     @Id // pk
     @GeneratedValue(strategy = GenerationType.IDENTITY)

src/main/java/com/rest/api/entity/board/Board.java

@@ -5,12 +5,11 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
-import java.io.Serializable;
 
 @Entity
 @Getter
 @NoArgsConstructor
-public class Board extends CommonDateEntity implements Serializable {
+public class Board extends CommonDateEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long boardId;

src/main/java/com/rest/api/entity/board/Post.java

@@ -1,21 +1,16 @@
 package com.rest.api.entity.board;
 
-import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.rest.api.entity.User;
 import com.rest.api.entity.common.CommonDateEntity;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
-import lombok.Setter;
-import org.hibernate.annotations.Proxy;
 
 import javax.persistence.*;
-import java.io.Serializable;
 
 @Entity
 @Getter
-@Setter
 @NoArgsConstructor
-public class Post extends CommonDateEntity implements Serializable {
+public class Post extends CommonDateEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long postId;
@@ -30,13 +25,13 @@ public class Post extends CommonDateEntity implements Serializable {
     @JoinColumn(name = "board_id")
     private Board board; // 게시글 - 게시판의 관계 - N:1
 
+
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "msrl")
     private User user;  // 게시글 - 회원의 관계 - N:1
 
     // Join 테이블이 Json결과에 표시되지 않도록 처리.
-    @JsonIgnore
-    public Board getBoard() {
+    protected Board getBoard() {
         return board;
     }
 

src/main/java/com/rest/api/repo/EmployJpaRepo.java

@@ -0,0 +1,7 @@
+package com.rest.api.repo;
+
+import com.rest.api.entity.Employ;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface EmployJpaRepo extends JpaRepository<Employ, Long> {
+}

src/main/java/com/rest/api/repo/MemberJpaRepo.java

@@ -0,0 +1,7 @@
+package com.rest.api.repo;
+
+import com.rest.api.entity.Member;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface MemberJpaRepo extends JpaRepository<Member, Long> {
+}

src/main/java/com/rest/api/service/board/BoardService.java

@@ -3,7 +3,6 @@ package com.rest.api.service.board;
 import com.rest.api.advice.exception.CNotOwnerException;
 import com.rest.api.advice.exception.CResourceNotExistException;
 import com.rest.api.advice.exception.CUserNotFoundException;
-import com.rest.api.common.CacheKey;
 import com.rest.api.entity.User;
 import com.rest.api.entity.board.Board;
 import com.rest.api.entity.board.Post;
@@ -11,19 +10,13 @@ import com.rest.api.model.board.ParamsPost;
 import com.rest.api.repo.UserJpaRepo;
 import com.rest.api.repo.board.BoardJpaRepo;
 import com.rest.api.repo.board.PostJpaRepo;
-import com.rest.api.service.cache.CacheSevice;
 import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.cache.annotation.CachePut;
-import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 import javax.transaction.Transactional;
 import java.util.List;
 import java.util.Optional;
 
-@Slf4j
 @Service
 @Transactional
 @RequiredArgsConstructor
@@ -32,56 +25,47 @@ public class BoardService {
     private final BoardJpaRepo boardJpaRepo;
     private final PostJpaRepo postJpaRepo;
     private final UserJpaRepo userJpaRepo;
-    private final CacheSevice cacheSevice;
 
     // 게시판 이름으로 게시판을 조회. 없을경우 CResourceNotExistException 처리
-    @Cacheable(value = CacheKey.BOARD, key = "#boardName", unless = "#result == null")
     public Board findBoard(String boardName) {
         return Optional.ofNullable(boardJpaRepo.findByName(boardName)).orElseThrow(CResourceNotExistException::new);
     }
 
-    // 게시판 이름으로 게시글 리스트 조회.
-    @Cacheable(value = CacheKey.POSTS, key = "#boardName", unless = "#result == null")
+    // 게시판 이름으로 게시물 리스트 조회.
     public List<Post> findPosts(String boardName) {
         return postJpaRepo.findByBoard(findBoard(boardName));
     }
 
-    // 게시글ID로 게시글 단건 조회. 없을경우 CResourceNotExistException 처리
-    @Cacheable(value = CacheKey.POST, key = "#postId", unless = "#result == null")
+    // 게시물ID로 게시물 단건 조회. 없을경우 CResourceNotExistException 처리
     public Post getPost(long postId) {
         return postJpaRepo.findById(postId).orElseThrow(CResourceNotExistException::new);
     }
 
-    // 게시글을 등록합니다. 게시글의 회원UID가 조회되지 않으면 CUserNotFoundException 처리합니다.
-    @CacheEvict(value = CacheKey.POSTS, key = "#boardName")
+    // 게시물을 등록합니다. 게시물의 회원UID가 조회되지 않으면 CUserNotFoundException 처리합니다.
     public Post writePost(String uid, String boardName, ParamsPost paramsPost) {
         Board board = findBoard(boardName);
         Post post = new Post(userJpaRepo.findByUid(uid).orElseThrow(CUserNotFoundException::new), board, paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
         return postJpaRepo.save(post);
     }
 
-    // 게시글을 수정합니다. 게시글 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
-    //@CachePut(value = CacheKey.POST, key = "#postId") 갱신된 정보만 캐시할경우에만 사용!
+    // 게시물을 수정합니다. 게시물 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
     public Post updatePost(long postId, String uid, ParamsPost paramsPost) {
         Post post = getPost(postId);
         User user = post.getUser();
         if (!uid.equals(user.getUid()))
             throw new CNotOwnerException();
 
-        // 영속성 컨텍스트의 변경감지(dirty checking) 기능에 의해 조회한 Post내용을 변경만 해도 Update쿼리가 실행됩니다.
         post.setUpdate(paramsPost.getAuthor(), paramsPost.getTitle(), paramsPost.getContent());
-        cacheSevice.deleteBoardCache(post.getPostId(), post.getBoard().getName());
         return post;
     }
 
-    // 게시글을 삭제합니다. 게시글 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
+    // 게시물을 삭제합니다. 게시물 등록자와 로그인 회원정보가 틀리면 CNotOwnerException 처리합니다.
     public boolean deletePost(long postId, String uid) {
         Post post = getPost(postId);
         User user = post.getUser();
         if (!uid.equals(user.getUid()))
             throw new CNotOwnerException();
         postJpaRepo.delete(post);
-        cacheSevice.deleteBoardCache(post.getPostId(), post.getBoard().getName());
         return true;
     }
 }

src/main/java/com/rest/api/service/cache/CacheSevice.java

@@ -1,21 +0,0 @@
-package com.rest.api.service.cache;
-
-import com.rest.api.common.CacheKey;
-import lombok.extern.slf4j.Slf4j;
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.cache.annotation.Caching;
-import org.springframework.stereotype.Service;
-
-@Slf4j
-@Service
-public class CacheSevice {
-
-    @Caching(evict = {
-            @CacheEvict(value = CacheKey.POST, key = "#postId"),
-            @CacheEvict(value = CacheKey.POSTS, key = "#boardName")
-    })
-    public boolean deleteBoardCache(long postId, String boardName) {
-        log.debug("deleteBoardCache - postId {}, boardName {}", postId, boardName);
-        return true;
-    }
-}

src/main/java/com/rest/api/service/security/CustomUserDetailService.java

@@ -1,10 +1,8 @@
 package com.rest.api.service.security;
 
 import com.rest.api.advice.exception.CUserNotFoundException;
-import com.rest.api.common.CacheKey;
 import com.rest.api.repo.UserJpaRepo;
 import lombok.RequiredArgsConstructor;
-import org.springframework.cache.annotation.Cacheable;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.stereotype.Service;
@@ -15,7 +13,6 @@ public class CustomUserDetailService implements UserDetailsService {
 
     private final UserJpaRepo userJpaRepo;
 
-    @Cacheable(value = CacheKey.USER, key = "#userPk", unless = "#result == null")
     public UserDetails loadUserByUsername(String userPk) {
         return userJpaRepo.findById(Long.valueOf(userPk)).orElseThrow(CUserNotFoundException::new);
     }

src/main/resources/application-alpha.yml

@@ -21,7 +21,4 @@ spring:
     showSql: true
     generate-ddl: false
   url:
-    base: http://dev-api.daddyprogrammer.org
-  redis:
-    host: Standalone Redis 호스트
-    port: Standalone Redis 포트
+    base: http://dev-api.daddyprogrammer.org

src/main/resources/application-local.yml

@@ -18,6 +18,3 @@ spring:
     generate-ddl: true
   url:
     base: http://localhost:8080
-  redis:
-    host: localhost
-    port: 6379

src/test/java/com/rest/api/cache/CacheRepo.java

@@ -1,67 +0,0 @@
-package com.rest.api.cache;
-
-import com.rest.api.entity.board.Post;
-import org.springframework.cache.annotation.CacheEvict;
-import org.springframework.cache.annotation.CachePut;
-import org.springframework.cache.annotation.Cacheable;
-import org.springframework.stereotype.Service;
-
-@Service
-public class CacheRepo {
-
-    private static final String CACHE_KEY = "CACHE_TEST";
-
-    @Cacheable(value = CACHE_KEY, key = "#postId")
-    public Post getPost(long postId) {
-        Post post = new Post();
-        post.setPostId(postId);
-        post.setTitle("title_" + postId);
-        post.setAuthor("author_" + postId);
-        post.setContent("content_" + postId);
-        return post;
-    }
-
-    @CachePut(value = CACHE_KEY, key = "#post.postId")
-    public Post updatePost(Post post) {
-        return post;
-    }
-
-    @Cacheable(value = CACHE_KEY, key = "{#postId, #title}")
-    public Post getPostMultiKey(long postId, String title) {
-        Post post = new Post();
-        post.setPostId(postId);
-        post.setTitle("title_" + postId);
-        post.setAuthor("author_" + postId);
-        post.setContent("content_" + postId);
-        return post;
-    }
-
-    @CachePut(value = CACHE_KEY, key = "{#post.postId, #post.title}")
-//    @CachePut(value = CACHE_KEY, key = "{#post.postId, #post.getTitle()}")
-    public Post updatePostMultiKey(Post post) {
-        return post;
-    }
-
-    @CacheEvict(cacheNames = {CACHE_KEY}, allEntries = true)
-    public void clearCache(){}
-
-    @Cacheable(value = CACHE_KEY, key = "{#postId}", condition="#postId > 10")
-    public Post getPostCondition(long postId) {
-        Post post = new Post();
-        post.setPostId(postId);
-        post.setTitle("title_" + postId);
-        post.setAuthor("author_" + postId);
-        post.setContent("content_" + postId);
-        return post;
-    }
-
-    @Cacheable(value = CACHE_KEY, key = "T(com.rest.api.cache.CustomKeyGenerator).create(#postId, #title)")
-    public Post getPostKeyGenerator(long postId, String title) {
-        Post post = new Post();
-        post.setPostId(postId);
-        post.setTitle("title_" + postId);
-        post.setAuthor("author_" + postId);
-        post.setContent("content_" + postId);
-        return post;
-    }
-}

src/test/java/com/rest/api/cache/CacheTest.java

@@ -1,67 +0,0 @@
-package com.rest.api.cache;
-
-import com.rest.api.entity.board.Post;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.junit4.SpringRunner;
-
-import static org.junit.Assert.*;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class CacheTest {
-
-    @Autowired
-    private CacheRepo cacheRepo;
-
-    @Test
-    public void cacheTest() throws Exception {
-        // get cache
-        Post post = cacheRepo.getPost(1L);
-        assertSame(1L, post.getPostId());
-        assertEquals("title_1", post.getTitle());
-        // update cache
-        post.setTitle("title_modified");
-        post.setContent("content_modified");
-        cacheRepo.updatePost(post);
-        // get cache
-        Post postModified = cacheRepo.getPost(1L);
-        assertEquals("title_modified", postModified.getTitle());
-        assertEquals("content_modified", postModified.getContent());
-    }
-
-    @Test
-    public void cacheTestMultiKey() throws Exception {
-        // get cache
-        Post post = cacheRepo.getPostMultiKey(1L, "title_1");
-        assertSame(1L, post.getPostId());
-        assertEquals("title_1", post.getTitle());
-        // update cache
-        post.setTitle("title_modified");
-        post.setContent("content_modified");
-        cacheRepo.updatePostMultiKey(post);
-        // get cache
-        Post postModified = cacheRepo.getPostMultiKey(1L, "title_modified");
-        assertEquals("title_modified", postModified.getTitle());
-        assertEquals("content_modified", postModified.getContent());
-    }
-
-    @Test
-    public void cacheTestCustomKeyGenerator() throws Exception {
-        // get cache
-        Post post = cacheRepo.getPostKeyGenerator(1L, "title_1");
-        assertSame(1L, post.getPostId());
-        assertEquals("title_1", post.getTitle());
-    }
-
-    @Test
-    public void deleteAllCache() {
-        cacheRepo.getPost(1L);
-        cacheRepo.getPost(2L);
-        cacheRepo.getPost(3L);
-        cacheRepo.getPost(4L);
-        cacheRepo.clearCache();
-    }
-}

src/test/java/com/rest/api/cache/CustomKeyGenerator.java

@@ -1,7 +0,0 @@
-package com.rest.api.cache;
-
-public class CustomKeyGenerator {
-    public static Object create(Object o1, Object o2) {
-        return "FRONT:" + o1 + ":" + o2;
-    }
-}