diff --git a/pom.xml b/pom.xml index f0412faf9..0f9b3d2d0 100644 --- a/pom.xml +++ b/pom.xml @@ -48,6 +48,16 @@ hsqldb 2.3.4 + + org.hibernate + hibernate-core + 5.6.15.Final + + + mysql + mysql-connector-java + 8.0.33 + diff --git a/src/main/java/mate/academy/Main.java b/src/main/java/mate/academy/Main.java index 0058fbf96..bc99fc169 100644 --- a/src/main/java/mate/academy/Main.java +++ b/src/main/java/mate/academy/Main.java @@ -1,7 +1,19 @@ package mate.academy; +import mate.academy.lib.Injector; +import mate.academy.model.Movie; +import mate.academy.service.MovieService; + public class Main { - public static void main(String[] args) { + private static final Injector injector = Injector.getInstance("mate.academy"); + public static void main(String[] args) { + MovieService movieService = (MovieService) injector.getInstance(MovieService.class); + Movie movie = new Movie(); + movie.setTitle("Test"); + movie.setDescription("test"); + movieService.add(movie); + Movie movieFromDB = movieService.get(2L); + System.out.println(movieFromDB); } } diff --git a/src/main/java/mate/academy/dao/MovieDao.java b/src/main/java/mate/academy/dao/MovieDao.java new file mode 100644 index 000000000..41ba2a9b1 --- /dev/null +++ b/src/main/java/mate/academy/dao/MovieDao.java @@ -0,0 +1,11 @@ +package mate.academy.dao; + +import java.util.Optional; +import mate.academy.model.Movie; + +public interface MovieDao { + Movie add(Movie movie); + + Optional get(Long id); +} + diff --git a/src/main/java/mate/academy/dao/impl/MovieDaoImpl.java b/src/main/java/mate/academy/dao/impl/MovieDaoImpl.java new file mode 100644 index 000000000..7c1b984d1 --- /dev/null +++ b/src/main/java/mate/academy/dao/impl/MovieDaoImpl.java @@ -0,0 +1,47 @@ +package mate.academy.dao.impl; + +import java.util.Optional; +import mate.academy.dao.MovieDao; +import mate.academy.exception.DataProcessingException; +import mate.academy.lib.Dao; +import mate.academy.model.Movie; +import mate.academy.util.HibernateUtil; +import org.hibernate.Session; +import org.hibernate.SessionFactory; +import org.hibernate.Transaction; + +@Dao +public class MovieDaoImpl implements MovieDao { + @Override + public Movie add(Movie movie) { + SessionFactory sessionFactory = HibernateUtil.getSessionFactory(); + Session session = null; + Transaction transaction = null; + try { + session = sessionFactory.openSession(); + transaction = session.beginTransaction(); + session.save(movie); + transaction.commit(); + } catch (Exception e) { + if (transaction != null) { + transaction.rollback(); + } + throw new DataProcessingException("Can`t add movie: " + movie.getTitle()); + } finally { + if (session != null) { + session.close(); + } + } + return movie; + } + + @Override + public Optional get(Long id) { + try (SessionFactory sessionFactory = HibernateUtil.getSessionFactory(); + Session session = sessionFactory.openSession()) { + return Optional.ofNullable(session.get(Movie.class, id)); + } catch (Exception e) { + throw new DataProcessingException("Can`t get movie by id: " + id); + } + } +} diff --git a/src/main/java/mate/academy/exception/DataProcessingException.java b/src/main/java/mate/academy/exception/DataProcessingException.java new file mode 100644 index 000000000..11850856f --- /dev/null +++ b/src/main/java/mate/academy/exception/DataProcessingException.java @@ -0,0 +1,7 @@ +package mate.academy.exception; + +public class DataProcessingException extends RuntimeException { + public DataProcessingException(String message) { + super(message); + } +} diff --git a/src/main/java/mate/academy/model/Movie.java b/src/main/java/mate/academy/model/Movie.java new file mode 100644 index 000000000..325381dff --- /dev/null +++ b/src/main/java/mate/academy/model/Movie.java @@ -0,0 +1,52 @@ +package mate.academy.model; + +import javax.persistence.Entity; +import javax.persistence.GeneratedValue; +import javax.persistence.GenerationType; +import javax.persistence.Id; +import javax.persistence.Table; + +@Entity +@Table(name = "movies") +public class Movie { + @Id + @GeneratedValue(strategy = GenerationType.IDENTITY) + private Long id; + private String title; + private String description; + + public Movie() { + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getTitle() { + return title; + } + + public void setTitle(String title) { + this.title = title; + } + + public String getDescription() { + return description; + } + + public void setDescription(String description) { + this.description = description; + } + + @Override + public String toString() { + return "Movie{" + + "id=" + id + + ", title='" + title + '\'' + + ", description='" + description + '\'' + '}'; + } +} diff --git a/src/main/java/mate/academy/service/MovieService.java b/src/main/java/mate/academy/service/MovieService.java new file mode 100644 index 000000000..80e46c951 --- /dev/null +++ b/src/main/java/mate/academy/service/MovieService.java @@ -0,0 +1,9 @@ +package mate.academy.service; + +import mate.academy.model.Movie; + +public interface MovieService { + Movie add(Movie movie); + + Movie get(Long id); +} diff --git a/src/main/java/mate/academy/service/impl/MovieServiceImpl.java b/src/main/java/mate/academy/service/impl/MovieServiceImpl.java new file mode 100644 index 000000000..9a6fc12aa --- /dev/null +++ b/src/main/java/mate/academy/service/impl/MovieServiceImpl.java @@ -0,0 +1,25 @@ +package mate.academy.service.impl; + +import mate.academy.dao.MovieDao; +import mate.academy.exception.DataProcessingException; +import mate.academy.lib.Inject; +import mate.academy.lib.Service; +import mate.academy.model.Movie; +import mate.academy.service.MovieService; + +@Service +public class MovieServiceImpl implements MovieService { + @Inject + private MovieDao movieDao; + + @Override + public Movie add(Movie movie) { + return movieDao.add(movie); + } + + @Override + public Movie get(Long id) { + return movieDao.get(id) + .orElseThrow(() -> new DataProcessingException("Can`t get movie by id: " + id)); + } +} diff --git a/src/main/java/mate/academy/util/HibernateUtil.java b/src/main/java/mate/academy/util/HibernateUtil.java new file mode 100644 index 000000000..e795e63d7 --- /dev/null +++ b/src/main/java/mate/academy/util/HibernateUtil.java @@ -0,0 +1,19 @@ +package mate.academy.util; + +import org.hibernate.SessionFactory; +import org.hibernate.cfg.Configuration; + +public class HibernateUtil { + private static SessionFactory instance = initSessionFactory(); + + private HibernateUtil() { + } + + private static SessionFactory initSessionFactory() { + return new Configuration().configure().buildSessionFactory(); + } + + public static SessionFactory getSessionFactory() { + return instance; + } +} diff --git a/src/main/resources/hibernate.cfg.xml b/src/main/resources/hibernate.cfg.xml new file mode 100644 index 000000000..6f0c1bc25 --- /dev/null +++ b/src/main/resources/hibernate.cfg.xml @@ -0,0 +1,12 @@ + + + org.hibernate.dialect.MySQL5Dialect + jdbc:mysql://localhost:3306/ticket_app?serverTimeZone=UTC + com.mysql.cj.jdbc.Driver + root + as12df34 + true + create-drop + + + \ No newline at end of file