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used cascades where needed #960

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used cascades where needed #960

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51 changes: 46 additions & 5 deletions src/main/java/core/basesyntax/dao/impl/CommentDaoImpl.java
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Expand Up @@ -3,30 +3,71 @@
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) {
super(sessionFactory);
}

@Override
public Comment create(Comment entity) {
return null;
public Comment create(Comment comment) {
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(comment);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
return comment;
}

@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();
}
}

@Override
public List<Comment> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("FROM Comment", Comment.class).getResultList();
} catch (Exception e) {
throw new RuntimeException();
}
}

@Override
public void remove(Comment entity) {
public void remove(Comment comment) {
Session session = null;
Transaction transaction = null;

try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(comment);
transaction.commit();
} catch (Exception e) {
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
}
}
51 changes: 46 additions & 5 deletions src/main/java/core/basesyntax/dao/impl/MessageDaoImpl.java
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Expand Up @@ -3,30 +3,71 @@
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) {
super(sessionFactory);
}

@Override
public Message create(Message entity) {
return null;
public Message create(Message message) {
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(message);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
return message;
}

@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();
}
}

@Override
public List<Message> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("FROM Message", Message.class).getResultList();
} catch (Exception e) {
throw new RuntimeException();
}
}

@Override
public void remove(Message entity) {
public void remove(Message message) {
Session session = null;
Transaction transaction = null;

try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(message);
transaction.commit();
} catch (Exception e) {
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
}
}
29 changes: 26 additions & 3 deletions src/main/java/core/basesyntax/dao/impl/MessageDetailsDaoImpl.java
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Expand Up @@ -2,20 +2,43 @@

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) {
super(sessionFactory);
}

@Override
public MessageDetails create(MessageDetails entity) {
return null;
public MessageDetails create(MessageDetails messageDetails) {
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(messageDetails);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
return messageDetails;
}

@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();
}
}
}
35 changes: 31 additions & 4 deletions src/main/java/core/basesyntax/dao/impl/SmileDaoImpl.java
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Expand Up @@ -3,25 +3,52 @@
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) {
super(sessionFactory);
}

@Override
public Smile create(Smile entity) {
return null;
public Smile create(Smile smile) {
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(smile);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
return smile;
}

@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();
}
}

@Override
public List<Smile> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("FROM Smile", Smile.class).getResultList();
} catch (Exception e) {
throw new RuntimeException();
}
}
}
51 changes: 46 additions & 5 deletions src/main/java/core/basesyntax/dao/impl/UserDaoImpl.java
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Expand Up @@ -3,30 +3,71 @@
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) {
super(sessionFactory);
}

@Override
public User create(User entity) {
return null;
public User create(User user) {
Session session = null;
Transaction transaction = null;
try {
session = factory.openSession();
transaction = session.beginTransaction();
session.persist(user);
transaction.commit();
} catch (Exception e) {
if (transaction != null) {
transaction.rollback();
}
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
return user;
}

@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();
}
}

@Override
public List<User> getAll() {
return null;
try (Session session = factory.openSession()) {
return session.createQuery("FROM User", User.class).getResultList();
} catch (Exception e) {
throw new RuntimeException();
}
}

@Override
public void remove(User entity) {
public void remove(User user) {
Session session = null;
Transaction transaction = null;

try {
session = factory.openSession();
transaction = session.beginTransaction();
session.remove(user);
transaction.commit();
} catch (Exception e) {
throw new RuntimeException();
} finally {
if (session != null) {
session.close();
}
}
}
}
4 changes: 4 additions & 0 deletions src/main/java/core/basesyntax/model/Comment.java
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@@ -1,15 +1,19 @@
package core.basesyntax.model;

import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.OneToMany;
import java.util.List;

@Entity
public class Comment {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String content;
@OneToMany
private List<Smile> smiles;

public Long getId() {
Expand Down
13 changes: 13 additions & 0 deletions src/main/java/core/basesyntax/model/Message.java
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@@ -1,8 +1,21 @@
package core.basesyntax.model;

import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import jakarta.persistence.OneToOne;
import org.hibernate.annotations.Cascade;
import org.hibernate.annotations.CascadeType;

@Entity
public class Message {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String content;
@OneToOne
@Cascade({CascadeType.REMOVE, CascadeType.PERSIST})
private MessageDetails messageDetails;

public Long getId() {
Expand Down
7 changes: 7 additions & 0 deletions src/main/java/core/basesyntax/model/MessageDetails.java
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@@ -1,8 +1,15 @@
package core.basesyntax.model;

import jakarta.persistence.Entity;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.GenerationType;
import jakarta.persistence.Id;
import java.time.LocalDateTime;

@Entity
public class MessageDetails {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Long id;
private String sender;
private LocalDateTime sentTime;
Expand Down
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