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message queue ocp

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This commit is contained in:
jinho jeong
2022-07-13 13:34:06 +09:00
parent c59421779d
commit ecb28d5ced
10 changed files with 181 additions and 38 deletions
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41
src/main/java/com/example/oneul/domain/post/service/command/PostCommnadServiceImpl.java
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@@ -14,8 +14,9 @@ import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.domain.user.domain.UserEntity;
import com.example.oneul.global.error.exception.ExpiredSessionException;
import com.example.oneul.global.error.exception.NotFoundException;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.KafkaPublisher;
import com.example.oneul.infra.kafka.Type;
import com.example.oneul.infra.kafka.service.MessageQueueFactory;
@Service
@Transactional
@@ -23,11 +24,13 @@ public class PostCommnadServiceImpl implements PostCommandService{
private final Logger log = LoggerFactory.getLogger(PostCommnadServiceImpl.class);
private final PostCommandRepository postCommandRepository;
private final MessageQueueFactory messageQueueFactory;
private final KafkaPublisher kafkaPublisher;
public PostCommnadServiceImpl(PostCommandRepository postCommandRepository, KafkaPublisher kafkaPublisher){
public PostCommnadServiceImpl(PostCommandRepository postCommandRepository, KafkaPublisher kafkaPublisher, MessageQueueFactory messageQueueFactory){
this.postCommandRepository = postCommandRepository;
this.kafkaPublisher = kafkaPublisher;
this.messageQueueFactory = messageQueueFactory;
}
@Override
@@ -47,16 +50,8 @@ public class PostCommnadServiceImpl implements PostCommandService{
.writer(userEntity)
.build());
kafkaPublisher.sendMessage(
"post",
new PostMessage(
"INSERT",
postEntity.getId(),
postEntity.getCreatedAt(),
postEntity.getContent(),
postEntity.getWriter().getUsername()
)
);
Type type = Type.valueOf("INSERT");
messageQueueFactory.getTye(type).apply(postEntity);
log.info("user: " + userEntity.toString() + " create " + postEntity.toString());
return postEntity;
@@ -73,16 +68,8 @@ public class PostCommnadServiceImpl implements PostCommandService{
postEntity.setConent(post.getContent());
postEntity = postCommandRepository.save(postEntity);
kafkaPublisher.sendMessage(
"post",
new PostMessage(
"UPDATE",
postEntity.getId(),
postEntity.getCreatedAt(),
postEntity.getContent(),
postEntity.getWriter().getUsername()
)
);
Type type = Type.valueOf("UPDATE");
messageQueueFactory.getTye(type).apply(postEntity);
log.info(postEntity.toString() + " is updated");
@@ -95,15 +82,11 @@ public class PostCommnadServiceImpl implements PostCommandService{
if(userEntity == null){
throw new ExpiredSessionException("만료된 세션");
}
Post postEntity = postCommandRepository.findByIdAndWriter(id, userEntity).orElseThrow(() -> new NotFoundException(id + " post not found"));
postCommandRepository.deleteByIdAndWriter(id, userEntity);
kafkaPublisher.sendMessage(
"post",
PostMessage.builder()
.type("DELETE")
.id(id)
.build());
Type type = Type.valueOf("DELETE");
messageQueueFactory.getTye(type).apply(postEntity);
log.info("post " + id + " is deleted");
}

3
src/main/java/com/example/oneul/domain/user/domain/UserEntity.java
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@@ -14,6 +14,7 @@ import org.hibernate.annotations.CreationTimestamp;
import org.springframework.security.crypto.password.PasswordEncoder;
import com.example.oneul.domain.user.exception.WrongUsernameAndPasswordException;
import com.fasterxml.jackson.annotation.JsonIgnore;
@Entity
@Table(name = "user")
@@ -23,8 +24,10 @@ public class UserEntity implements Serializable {
private Long id;
@Column(name = "username", nullable = false, unique = true)
private String username;
@JsonIgnore
@Column(name = "password", nullable = false)
private String password;
@JsonIgnore
@CreationTimestamp
@Column(name = "createAt", nullable = false, updatable = false)
private LocalDateTime createdAt;

13
src/main/java/com/example/oneul/infra/kafka/Type.java Normal file
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@@ -0,0 +1,13 @@
package com.example.oneul.infra.kafka;
public enum Type {
INSERT("INSERT"),
UPDATE("UPDATE"),
DELETE("DELETE");
final String type;
Type(String type){
this.type = type;
}
}

31
src/main/java/com/example/oneul/infra/kafka/service/DeleteMessageService.java Normal file
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@@ -0,0 +1,31 @@
package com.example.oneul.infra.kafka.service;
import org.springframework.stereotype.Component;
import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.KafkaPublisher;
import com.example.oneul.infra.kafka.Type;
@Component
public class DeleteMessageService implements MessageQueueService {
private final KafkaPublisher kafkaPublisher;
public DeleteMessageService(KafkaPublisher kafkaPublisher){
this.kafkaPublisher = kafkaPublisher;
}
@Override
public Type getMessageType(){
return Type.DELETE;
}
@Override
public PostMessage transaction(Post post){
PostMessage postMessage = PostMessage.builder()
.id(post.getId())
.build();
kafkaPublisher.sendMessage("post", postMessage);
return postMessage;
}
}

34
src/main/java/com/example/oneul/infra/kafka/service/InsertMessageService.java Normal file
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@@ -0,0 +1,34 @@
package com.example.oneul.infra.kafka.service;
import org.springframework.stereotype.Component;
import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.KafkaPublisher;
import com.example.oneul.infra.kafka.Type;
@Component
public class InsertMessageService implements MessageQueueService {
private final KafkaPublisher kafkaPublisher;
public InsertMessageService(KafkaPublisher kafkaPublisher){
this.kafkaPublisher = kafkaPublisher;
}
@Override
public Type getMessageType() {
return Type.INSERT;
}
@Override
public PostMessage transaction(Post post){
PostMessage postMessage = new PostMessage(
Type.INSERT.toString(),
post.getId(),
post.getCreatedAt(),
post.getContent(),
post.getWriter().getUsername());
kafkaPublisher.sendMessage("post", postMessage);
return postMessage;
}
}

33
src/main/java/com/example/oneul/infra/kafka/service/MessageQueueFactory.java Normal file
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@@ -0,0 +1,33 @@
package com.example.oneul.infra.kafka.service;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.Type;
@Component
public class MessageQueueFactory {
private final Map<Type, Function<Post, PostMessage>> meessageQueueServiceMap = new HashMap<>();
public MessageQueueFactory(List<MessageQueueService> meessageQueueServices) {
if(CollectionUtils.isEmpty(meessageQueueServices)){
throw new IllegalArgumentException("메시지 큐 구현체가 존재하지 않습니다.");
}
for(MessageQueueService service : meessageQueueServices){
Function<Post, PostMessage> transaction = service::transaction;
this.meessageQueueServiceMap.put(service.getMessageType(), transaction);
}
}
public Function<Post, PostMessage> getTye(Type type){
return meessageQueueServiceMap.get(type);
}
}

10
src/main/java/com/example/oneul/infra/kafka/service/MessageQueueService.java Normal file
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@@ -0,0 +1,10 @@
package com.example.oneul.infra.kafka.service;
import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.Type;
public interface MessageQueueService {
Type getMessageType();
PostMessage transaction(Post post);
}

34
src/main/java/com/example/oneul/infra/kafka/service/UpdateMessageService.java Normal file
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@@ -0,0 +1,34 @@
package com.example.oneul.infra.kafka.service;
import org.springframework.stereotype.Component;
import com.example.oneul.domain.post.domain.Post;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.KafkaPublisher;
import com.example.oneul.infra.kafka.Type;
@Component
public class UpdateMessageService implements MessageQueueService {
private final KafkaPublisher kafkaPublisher;
public UpdateMessageService(KafkaPublisher kafkaPublisher){
this.kafkaPublisher = kafkaPublisher;
}
@Override
public Type getMessageType(){
return Type.UPDATE;
}
@Override
public PostMessage transaction(Post post) {
PostMessage postMessage = new PostMessage(
Type.UPDATE.toString(),
post.getId(),
post.getCreatedAt(),
post.getContent(),
post.getWriter().getUsername());
kafkaPublisher.sendMessage("post", postMessage);
return postMessage;
}
}

4
src/test/java/com/example/oneul/service/PostCommandSerivceTest.java
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@@ -26,6 +26,7 @@ import com.example.oneul.domain.post.service.command.PostCommnadServiceImpl;
import com.example.oneul.domain.user.domain.UserEntity;
import com.example.oneul.infra.dto.PostMessage;
import com.example.oneul.infra.kafka.KafkaPublisher;
import com.example.oneul.infra.kafka.service.MessageQueueFactory;
@ActiveProfiles("test")
@ExtendWith(MockitoExtension.class)
@@ -35,10 +36,11 @@ public class PostCommandSerivceTest {
@Mock private KafkaPublisher kafkaPublisher;
protected MockHttpSession httpSession;
@Mock private UserEntity mockWriter;
@Mock private MessageQueueFactory messageQueueFactory;
@BeforeEach
public void setUp() throws Exception {
postCommandService = new PostCommnadServiceImpl(postCommandRepository, kafkaPublisher);
postCommandService = new PostCommnadServiceImpl(postCommandRepository, kafkaPublisher, messageQueueFactory);
httpSession = new MockHttpSession();
httpSession.setAttribute("user", mockWriter);
}

14
src/test/java/com/example/oneul/service/UserServiceTest.java
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@@ -63,17 +63,17 @@ public class UserServiceTest {
@Test
public void loginTest() throws Exception {
// given
LoginDTO loginDTO = createLoginDTO();
UserEntity loginUser = loginDTO.toEntity();
LoginDTO loginDTO = createLoginDTO();
UserEntity loginUser = loginDTO.toEntity();
// mocking
Long mockUserId = 1L;
UserEntity userEntity = mockUser(mockUserId);
given(userRepository.findByUsername(loginUser.getUsername())).willReturn(Optional.ofNullable(userEntity));
given(passwordEncoder.matches(any(), eq(userEntity.getPassword()))).willReturn(true);
Long mockUserId = 1L;
UserEntity userEntity = mockUser(mockUserId);
given(userRepository.findByUsername(loginUser.getUsername())).willReturn(Optional.ofNullable(userEntity));
given(passwordEncoder.matches(any(), eq(userEntity.getPassword()))).willReturn(true);
// when
UserEntity user = userService.login(userEntity, httpSession);
UserEntity user = userService.login(userEntity, httpSession);
// then
assertNotEquals(httpSession.getAttribute("user"), null);