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added solution of task #1016

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added solution of task #1016

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41 changes: 41 additions & 0 deletions src/main/java/core/basesyntax/Main.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
package core.basesyntax;

import core.basesyntax.dao.MessageDao;
import core.basesyntax.dao.impl.MessageDaoImpl;
import core.basesyntax.model.Comment;
import core.basesyntax.model.Message;
import core.basesyntax.model.MessageDetails;
import core.basesyntax.model.User;
import java.time.LocalDateTime;
import java.util.List;
import org.hibernate.SessionFactory;

public class Main {
private static SessionFactory sessionFactory = HibernateUtil.getSessionFactory();

public static void main(String[] args) {

User user = new User();
user.setUsername("Ivanov Ivan");

Comment comment = new Comment();
comment.setContent("content of comment");

MessageDetails messageDetails = new MessageDetails();
messageDetails.setSender("facebook");
messageDetails.setSentTime(LocalDateTime.now());

Message message = new Message();
message.setContent("some context");
message.setMessageDetails(messageDetails);
MessageDao messageDao = new MessageDaoImpl(sessionFactory);
messageDao.create(message);

List<Message> lists = messageDao.getAll();

for (Message m : lists) {
System.out.println(m.getContent() + " - " + m.getMessageDetails().getSender());
}

}
}
51 changes: 47 additions & 4 deletions src/main/java/core/basesyntax/dao/impl/CommentDaoImpl.java
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Expand Up @@ -3,7 +3,9 @@
import core.basesyntax.dao.CommentDao;
import core.basesyntax.model.Comment;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

public class CommentDaoImpl extends AbstractDao implements CommentDao {
public CommentDaoImpl(SessionFactory sessionFactory) {
Expand All @@ -12,21 +14,62 @@ public CommentDaoImpl(SessionFactory sessionFactory) {

@Override
public Comment create(Comment entity) {
return null;
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't add message " + entity.getContent() + " to DB", e);
} finally {
if (session != null) {
session.close();
}
}
return entity;
}

@Override
public Comment get(Long id) {
return null;
try (Session session = factory.openSession()) {
return session.get(Comment.class, id);
} catch (Exception e) {
throw new RuntimeException("Can't get user by id = " + id, e);
}
}

@Override
public List<Comment> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("SELECT c FROM Comment c", Comment.class).getResultList();
} catch (Exception e) {
throw new RuntimeException("Can't get all messages", e);
}
}

@Override
public void remove(Comment entity) {

Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't remove user " + entity.getContent() + " from DB", e);
} finally {
if (session != null) {
session.close();
}
}
}
}
51 changes: 47 additions & 4 deletions src/main/java/core/basesyntax/dao/impl/MessageDaoImpl.java
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Expand Up @@ -3,7 +3,9 @@
import core.basesyntax.dao.MessageDao;
import core.basesyntax.model.Message;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

public class MessageDaoImpl extends AbstractDao implements MessageDao {
public MessageDaoImpl(SessionFactory sessionFactory) {
Expand All @@ -12,21 +14,62 @@ public MessageDaoImpl(SessionFactory sessionFactory) {

@Override
public Message create(Message entity) {
return null;
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't add message " + entity.getContent() + " to DB", e);
} finally {
if (session != null) {
session.close();
}
}
return entity;
}

@Override
public Message get(Long id) {
return null;
try (Session session = factory.openSession()) {
return session.get(Message.class, id);
} catch (Exception e) {
throw new RuntimeException("Can't get user by id = " + id, e);
}
}

@Override
public List<Message> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("SELECT m FROM Message m", Message.class).getResultList();
} catch (Exception e) {
throw new RuntimeException("Can't get all messages", e);
}
}

@Override
public void remove(Message entity) {

Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't remove user " + entity.getContent() + " from DB", e);
} finally {
if (session != null) {
session.close();
}
}
}
}
28 changes: 26 additions & 2 deletions src/main/java/core/basesyntax/dao/impl/MessageDetailsDaoImpl.java
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Expand Up @@ -2,7 +2,9 @@

import core.basesyntax.dao.MessageDetailsDao;
import core.basesyntax.model.MessageDetails;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

public class MessageDetailsDaoImpl extends AbstractDao implements MessageDetailsDao {
public MessageDetailsDaoImpl(SessionFactory sessionFactory) {
Expand All @@ -11,11 +13,33 @@ public MessageDetailsDaoImpl(SessionFactory sessionFactory) {

@Override
public MessageDetails create(MessageDetails entity) {
return null;
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't add messageDetails "
+ entity.getSender() + " to DB", e);
} finally {
if (session != null) {
session.close();
}
}
return entity;
}

@Override
public MessageDetails get(Long id) {
return null;
try (Session session = factory.openSession()) {
return session.get(MessageDetails.class, id);
} catch (Exception e) {
throw new RuntimeException("Can't get smile by id = " + id, e);
}
}
}
33 changes: 30 additions & 3 deletions src/main/java/core/basesyntax/dao/impl/SmileDaoImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
import core.basesyntax.dao.SmileDao;
import core.basesyntax.model.Smile;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

public class SmileDaoImpl extends AbstractDao implements SmileDao {
public SmileDaoImpl(SessionFactory sessionFactory) {
Expand All @@ -12,16 +14,41 @@ public SmileDaoImpl(SessionFactory sessionFactory) {

@Override
public Smile create(Smile entity) {
return null;
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't add smile " + entity.getValue() + " to DB", e);
} finally {
if (session != null) {
session.close();
}
}
return entity;
}

@Override
public Smile get(Long id) {
return null;
try (Session session = factory.openSession()) {
return session.get(Smile.class, id);
} catch (Exception e) {
throw new RuntimeException("Can't get smile by id = " + id, e);
}
}

@Override
public List<Smile> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("SELECT s FROM Smile s", Smile.class).getResultList();
} catch (Exception e) {
throw new RuntimeException("Can't get all smiles", e);
}
}
}
51 changes: 47 additions & 4 deletions src/main/java/core/basesyntax/dao/impl/UserDaoImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,9 @@
import core.basesyntax.dao.UserDao;
import core.basesyntax.model.User;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

public class UserDaoImpl extends AbstractDao implements UserDao {
public UserDaoImpl(SessionFactory sessionFactory) {
Expand All @@ -12,21 +14,62 @@ public UserDaoImpl(SessionFactory sessionFactory) {

@Override
public User create(User entity) {
return null;
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't add user " + entity.getUsername() + " to DB", e);
} finally {
if (session != null) {
session.close();
}
}
return entity;
}

@Override
public User get(Long id) {
return null;
try (Session session = factory.openSession()) {
return session.get(User.class, id);
} catch (Exception e) {
throw new RuntimeException("Can't get user by id = " + id, e);
}
}

@Override
public List<User> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("SELECT u FROM User u", User.class).getResultList();
} catch (Exception e) {
throw new RuntimeException("Can't get all users", e);
}
}

@Override
public void remove(User entity) {

Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(entity);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException("Can't remove user " + entity.getUsername() + " from DB", e);
} finally {
if (session != null) {
session.close();
}
}
}
}
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