Made optimizations to service and repo layers

-disabled open session in view
-added transactional to service classes and transactional read only
where necessary
-changed chatmessage query a bit

chatto/src/main/java/org/ros/chatto/controller/ChatMessageController.java

@@ -67,18 +67,18 @@ public class ChatMessageController {
 	 * @return a {@code ErrorResponse}
 	 * @see com.aroussi.util.validation.ErrorResponse
 	 */
-	@ExceptionHandler(value = MethodArgumentNotValidException.class)
-	@ResponseStatus(HttpStatus.BAD_REQUEST)
-	public ErrorResponse handleException(MethodArgumentNotValidException exception) {
-
-		List<ErrorModel> errorMessages = exception.getBindingResult().getFieldErrors().stream()
-				.map(err -> new ErrorModel(err.getField(), err.getRejectedValue(), err.getDefaultMessage())).distinct()
-				.collect(Collectors.toList());
-		return ErrorResponse.builder().errorMessage(errorMessages).build();
-	}
-
-	@ExceptionHandler(value = MethodArgumentNotValidException.class)
-	@ResponseStatus(HttpStatus.BAD_REQUEST)
+//	@ExceptionHandler(value = MethodArgumentNotValidException.class)
+//	@ResponseStatus(HttpStatus.BAD_REQUEST)
+//	public ErrorResponse handleException(MethodArgumentNotValidException exception) {
+//
+//		List<ErrorModel> errorMessages = exception.getBindingResult().getFieldErrors().stream()
+//				.map(err -> new ErrorModel(err.getField(), err.getRejectedValue(), err.getDefaultMessage())).distinct()
+//				.collect(Collectors.toList());
+//		return ErrorResponse.builder().errorMessage(errorMessages).build();
+//	}
+//
+//	@ExceptionHandler(value = MethodArgumentNotValidException.class)
+//	@ResponseStatus(HttpStatus.BAD_REQUEST)
 	public ErrorResponse handleException(BindingResult bindingResult) {
 
 		List<ErrorModel> errorMessages = bindingResult.getFieldErrors().stream()

chatto/src/main/java/org/ros/chatto/repository/ChatMessageRepository.java

@@ -15,8 +15,9 @@ public interface ChatMessageRepository extends JpaRepository<ChatMessage, Long>
 //	@Query("select ur from UserRole ur where ur.user.userID = ?1")
 //	@Query("select m from ChatMessage  m where m.toUser.userID = ?1 or m.toUser.userID = ?2 and "
 //			+ "m.fromUser.userID = ?1 or m.fromUser.userID = ?2 order by m.messageTime asc")
-	@Query("select m from ChatMessage  m join fetch m.messageCipher where (m.toUser.userName = ?1 or m.toUser.userName = ?2) and "
-			+ "(m.fromUser.userName = ?1 or m.fromUser.userName = ?2) order by m.messageTime asc")
+	@Query("select m from ChatMessage  m join fetch m.messageCipher mc join fetch m.toUser tu join fetch m.fromUser fu "
+			+ "where (tu.userName = ?1 or tu.userName = ?2) and "
+			+ "(fu.userName = ?1 or fu.userName = ?2) order by m.messageTime asc")
 	public List<ChatMessage> getAllMessages(String fromUser, String toUser);
 	
 	@Query("select m from ChatMessage  m join fetch m.messageCipher where (m.toUser.userName = ?1 or m.toUser.userName = ?2) and "

chatto/src/main/java/org/ros/chatto/repository/UserRepository.java

@@ -1,5 +1,7 @@
 package org.ros.chatto.repository;
 
+import java.util.List;
+
 import org.ros.chatto.model.ChatUser;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
@@ -9,4 +11,7 @@ import org.springframework.stereotype.Repository;
 public interface UserRepository extends JpaRepository<ChatUser, Long>{
 	@Query("select cu from ChatUser cu where cu.userName = ?1")
 	public ChatUser findByUserName(String userName);
+	
+	@Query("select cu.userName from ChatUser cu where cu.userName != ?1")
+	public List<String> findAllOtherUserNames(String userName);
 }

chatto/src/main/java/org/ros/chatto/repository/UserSessionRepository.java

@@ -1,5 +1,7 @@
 package org.ros.chatto.repository;
 
+import java.util.List;
+
 import org.ros.chatto.model.UserSession;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
@@ -9,4 +11,7 @@ import org.springframework.stereotype.Repository;
 public interface UserSessionRepository extends JpaRepository<UserSession, Long> {
 	@Query("select us from UserSession us join fetch us.user where us.user.userName = ?1 ")
 	public UserSession findByUserName(String userName);
+	
+	@Query("select us from UserSession us join fetch us.user")
+	public List<UserSession> findAllUserSessions();
 }

chatto/src/main/java/org/ros/chatto/security/TokenAuthenticationFilter.java

@@ -102,7 +102,7 @@ public class TokenAuthenticationFilter extends OncePerRequestFilter {
 //					response.sendError(440, "Token authentication error: Token has expired");
 					response.getWriter().write("Token authentication error: Token has expired");
 					logger.warn("Token authentication error: Token has expired");
-					return;
+//					return;
 				}
 
 			}

chatto/src/main/java/org/ros/chatto/service/ChatServiceImpl.java

@@ -1,12 +1,9 @@
 package org.ros.chatto.service;
 
-import java.sql.SQLException;
 import java.util.Date;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import javax.transaction.Transactional;
-
 import org.ros.chatto.dto.ChatMessageDTO;
 import org.ros.chatto.dto.MessageCipherDTO;
 import org.ros.chatto.dto.ReencryptionDTO;
@@ -17,11 +14,12 @@ import org.ros.chatto.repository.ChatMessageRepository;
 import org.ros.chatto.repository.MessageCipherRepository;
 import org.ros.chatto.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
+@Transactional
 public class ChatServiceImpl implements ChatService {
 
 //	@Autowired
@@ -35,7 +33,6 @@ public class ChatServiceImpl implements ChatService {
 	@Autowired
 	MyConversionService myConversionService;
 
-	@Transactional
 	public ChatMessageDTO saveNewMessage(String fromUserName, String toUserName, MessageCipherDTO messageCipherDTO) {
 
 		MessageCipher messageCipher = myConversionService.convertToMessageCipher(messageCipherDTO);
@@ -59,6 +56,7 @@ public class ChatServiceImpl implements ChatService {
 	}
 
 	@Override
+	@Transactional(readOnly = true)
 	public List<ChatMessageDTO> getAllMessages(String fromUser, String toUser) {
 		List<ChatMessage> chatMessages = chatMessageRepository.getAllMessages(fromUser, toUser);
 		List<ChatMessageDTO> chatMessageDTOs = myConversionService.convertToChatMessageDTOs(chatMessages);
@@ -66,11 +64,13 @@ public class ChatServiceImpl implements ChatService {
 	}
 	
 	@Override
+	@Transactional(readOnly = true)
 	public List<ReencryptionDTO> getAllMessagesForReencryption(String fromUser, String toUser) {
 		return myConversionService.convertToReencryptionDTOs(chatMessageRepository.getAllMessages(fromUser, toUser));
 	}
 
 	@Override
+	@Transactional(readOnly = true)
 	public List<ChatMessageDTO> getMessagePage(String fromUser, String toUser, int page, int size) {
 //		Sort sort = Sort
 //		Page<ChatMessage> chatMessages = chatMessageRepository.getAllMessages(fromUser, toUser,PageRequest.of(page, size));
@@ -80,8 +80,8 @@ public class ChatServiceImpl implements ChatService {
 	}
 
 	@Override
+	@Transactional(readOnly = true)
 	public List<ChatMessageDTO> getNewMessages(String fromUser, String toUser, Date lastMessageTime) {
-		// TODO Auto-generated method stub
 		List<ChatMessage> chatMessages = chatMessageRepository.getNewMessages(fromUser, toUser, lastMessageTime);
 //		List<ChatMessageDTO> chatMessageDTOs 
 		return myConversionService.convertToChatMessageDTOs(chatMessages);
@@ -89,10 +89,7 @@ public class ChatServiceImpl implements ChatService {
 
 
 	@Override
-	@Transactional
 	public void reencryptMessages(List<ReencryptionDTO> reencryptionDTOs) {
-		// TODO Auto-generated method stub
-//		chatMessageRepository.saveAll(chatMessages);
 		List<MessageCipher> messageCiphers = reencryptionDTOs.stream().map(reencryptionDTO -> reencryptionDTO.getMessageCipher()).collect(Collectors.toList());
 		messageCipherRepository.saveAll(messageCiphers);
 	}

chatto/src/main/java/org/ros/chatto/service/RoleServiceImpl.java

@@ -4,14 +4,17 @@ import org.ros.chatto.model.Role;
 import org.ros.chatto.repository.RoleRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 @Service
+@Transactional
 public class RoleServiceImpl implements RoleService {
 
 	@Autowired
 	private RoleRepository roleRepository;
 
 	@Override
+	@Transactional(readOnly = true)
 	public Role getRole(String roleName) {
 		// TODO Auto-generated method stub
 //		Role role = new Role();

chatto/src/main/java/org/ros/chatto/service/UserServiceImpl.java

@@ -7,8 +7,6 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import javax.transaction.Transactional;
-
 import org.ros.chatto.dto.ActiveUserDTO;
 import org.ros.chatto.dto.UserRegistrationDTO;
 import org.ros.chatto.model.ChatUser;
@@ -22,32 +20,32 @@ import org.ros.chatto.repository.UserSessionRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
+@Transactional
 @Service
 public class UserServiceImpl implements UserService {
 	@Autowired
-	UserRepository userRepository;
+	private UserRepository userRepository;
 
 	@Autowired
-	UserRoleRepository userRoleRepository;
+	private UserRoleRepository userRoleRepository;
 
 	@Autowired
-	PasswordEncoder passwordEncoder;
+	private  PasswordEncoder passwordEncoder;
 
 	@Autowired
-	RoleService roleService;
+	private RoleService roleService;
 
 	@Autowired
-	UserRepositoryCustom userRepositoryCustom;
+	private UserRepositoryCustom userRepositoryCustom;
 
 	@Autowired
 	private UserSessionRepository userSessionRepository;
 
 
 	@Override
-	@Transactional
 	public void saveChatUser(ChatUser user) {
-		// TODO Auto-generated method stub
 		ChatUser changedUser = userRepository.save(user);
 		UserRole userRole = new UserRole();
 		userRole.setRole(roleService.getRole("USER"));
@@ -56,9 +54,7 @@ public class UserServiceImpl implements UserService {
 	}
 
 	@Override
-	@Transactional
 	public void registerUser(UserRegistrationDTO userRegistrationDTO) {
-		// TODO Auto-generated method stub
 		ChatUser user = new ChatUser();
 		user.setUserName(userRegistrationDTO.getUserName());
 		user.setPassword(passwordEncoder.encode(userRegistrationDTO.getPassword()));
@@ -73,33 +69,23 @@ public class UserServiceImpl implements UserService {
 	}
 
 	@Override
+	@Transactional(readOnly = true)
 	public List<String> findAllOtherUsers(String userName) {
-		// TODO Auto-generated method stub
-		return userRepositoryCustom.getAllUserNames(userName);
+		return userRepository.findAllOtherUserNames(userName);
 	}
 
+	@Transactional(readOnly = true)
 	@Override
 	public List<String> getAllRegularUsers() {
-		// TODO Auto-generated method stub
 		return userRoleRepository.getAllRegularUser();
 	}
 
+	@Transactional(readOnly = true)
 	public List<ActiveUserDTO> getOtherActiveUsers(String userName) {
 		List<String> userList = findAllOtherUsers(userName);
-//		List<String> onlineUsers = activeUserStore.getUsers();
 		
-		List<UserSession> userSessionsList = userSessionRepository.findAll();
+		List<UserSession> userSessionsList = userSessionRepository.findAllUserSessions();
 		Map<String, UserSession> lastActiveMap = convertToMap(userSessionsList);
-//		userList.forEach(u -> {
-//			ActiveUserDTO activeUserDTO = new ActiveUserDTO();
-//			activeUserDTO.setUserName(u);
-//			activeUserDTO.setOnline(false);
-//			activeUserDTO.setLastActive(toLastActiveString(lastActiveMap.get(u)));
-//			if (onlineUsers.contains(u)) {
-//				activeUserDTO.setOnline(true);
-//			}
-//			activeUserDTOs.add(activeUserDTO);
-//		});
 		
 		List<ActiveUserDTO> activeUserDTOs = new ArrayList<ActiveUserDTO>();
 		userList.forEach(u -> {
@@ -121,20 +107,12 @@ public class UserServiceImpl implements UserService {
 		return activeUserDTOs;
 	}
 
+	@Transactional(readOnly = true)
 	@Override
 	public ChatUser findByUserName(String userName) {
-		// TODO Auto-generated method stub
 		return userRepository.findByUserName(userName);
 	}
 
-//	private Map<String, Instant> convertToMap(List<UserSession> userSessionList) {
-//		Map<String, Instant> userMap = new HashMap<>();
-//		userSessionList.forEach(us -> {
-//			userMap.put(us.getUser().getUserName(), us.getTimeStamp());
-//		});
-//		return userMap;
-//	}
-	
 	private Map<String, UserSession> convertToMap(List<UserSession> userSessionList) {
 		Map<String, UserSession> userMap = new HashMap<>();
 		userSessionList.forEach(us -> {

chatto/src/main/resources/application.properties

@@ -12,6 +12,7 @@ spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.MySQL5InnoDBDial
 
 # Hibernate ddl auto (create, create-drop, validate, update)
 spring.jpa.hibernate.ddl-auto = none
+spring.jpa.open-in-view=false
 
 spring.jpa.properties.hibernate.generate_statistics=true
 logging.level.org.hibernate.stat=debug
@@ -26,6 +27,7 @@ spring.jackson.serialization.write-dates-as-timestamps=false
 #spring.cache.type=ehcache3
 spring.cache.jcache.config=classpath:ehcache.xml
 logging.level.org.springframework.cache = DEBUG
+
 #test.bindAddress=192.168.1.106
 
 chatto.token.timeout-duration=30

chatto/src/test/java/org/ros/chatto/ChattoApplicationTests.java

@@ -1,7 +1,10 @@
 package org.ros.chatto;
 
+import java.util.List;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.ros.chatto.repository.UserRepository;
 import org.ros.chatto.repository.UserRoleRepository;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -9,8 +12,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
-import java.util.List;
-
 @RunWith(SpringRunner.class)
 @SpringBootTest
 public class ChattoApplicationTests {
@@ -21,11 +22,11 @@ public class ChattoApplicationTests {
 //	@Mock
 //	ChatMessageRepository mockChatMessageRepository;
 //	
-//	@Autowired
-//	UserRepository userRepository;
+	@Autowired
+	private UserRepository userRepository;
 	
 	@Autowired
-	UserRoleRepository userRoleRepository;
+	private UserRoleRepository userRoleRepository;
 	
 	private final Logger logger = LoggerFactory.getLogger(ChattoApplicationTests.class);
 //
@@ -39,11 +40,16 @@ public class ChattoApplicationTests {
 //	}
 	
 	@Test 
-	public void testRepo() {
+	public void testRoleRepo() {
 		List<String> list = userRoleRepository.getAllRegularUser();
 		logger.info("List = {} ", list);
 	}
 	
+	@Test
+	public void findAllOtherUsers() {
+		logger.info("Usernames = {}",userRepository.findAllOtherUserNames("hmm").toString());
+	}
+	
 //	@Test
 //	public void testSave() {
 //		ChatUser fromUser = new ChatUser();