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connected to the data base and created models

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This commit is contained in:
Marcin Hutek 2023-12-28 14:49:01 +01:00
commit 7f2c44cd59
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target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
### Eclipse ###
.apt_generated
.classpath
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.project
.settings
.springBeans
.sts4-cache
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>PRA2024</artifactId>
<version>1.0-SNAPSHOT</version>
<properties>
<maven.compiler.source>18</maven.compiler.source>
<maven.compiler.target>18</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.hibernate.orm</groupId>
<artifactId>hibernate-core</artifactId>
<version>6.4.1.Final</version>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.2.20</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>

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src/main/java/org/example/FilmCategoryModel.java Normal file
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package org.example;
import jakarta.persistence.*;
@Entity
@Table(name="category")
public class FilmCategoryModel {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name="film_id")
private int id;
@Column(name="title")
private String filmCategory;
public FilmCategoryModel() {}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFilmCategory() {
return filmCategory;
}
public void setFilmCategory(String filmCategory) {
this.filmCategory = filmCategory;
}
@Override
public String toString() {
return "Category{" +
"id=" + id +
", filmCategory='" + filmCategory + '}';
}
}

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src/main/java/org/example/FilmInfoModel.java Normal file
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package org.example;
import jakarta.persistence.*;
@Entity
@Table(name="films_info")
public class FilmInfoModel {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name="film_id")
private int id;
@Column(name="description")
private String filmDescription;
@Column(name="release_year")
private int releaseYear;
@Column(name="language_id")
private int filmLanguage;
@Column(name="length")
private int filmLength;
@Column(name="rating")
private String filmRating;
@Column(name="category_id")
private int filmCategory;
public FilmInfoModel() {}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFilmDescription() {
return filmDescription;
}
public void setFilmDescription(String filmDescription) {
this.filmDescription = filmDescription;
}
public int getReleaseYear() {
return releaseYear;
}
public void setReleaseYear(int releaseYear) {
this.releaseYear = releaseYear;
}
public int getFilmLanguage() {
return filmLanguage;
}
public void setFilmLanguage(int filmLanguage) {
this.filmLanguage = filmLanguage;
}
public int getFilmLength() {
return filmLength;
}
public void setFilmLength(int filmLength) {
this.filmLength = filmLength;
}
public String getFilmRating() {
return filmRating;
}
public void setFilmRating(String filmRating) {
this.filmRating = filmRating;
}
public int getFilmCategory() {
return filmCategory;
}
public void setFilmCategory(int filmCategory) {
this.filmCategory = filmCategory;
}
@Override
public String toString() {
return "FilmInfo{" +
"id=" + id +
", filmDescription=" + filmDescription + '\n' +
", releaseYear=" + releaseYear + ", filmLanguage=" + filmLanguage + '\n' +
", filmLength=" + filmLength + ", filmRating=" + filmRating + '\n' +
", filmCategory=" + filmCategory + '}';
}
}

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src/main/java/org/example/FilmLanguageModel.java Normal file
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package org.example;
import jakarta.persistence.*;
@Entity
@Table(name="language")
public class FilmLanguageModel {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name="language_id")
private int id;
@Column(name="language")
private String filmLanguage;
public FilmLanguageModel() {}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFilmLanguage() {
return filmLanguage;
}
public void setFilmLanguage(String filmLanguage) {
this.filmLanguage = filmLanguage;
}
@Override
public String toString() {
return "Language{" +
"id=" + id +
", filmLanguage='" + filmLanguage + '}';
}
}

40
src/main/java/org/example/FilmModel.java Normal file
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package org.example;
import jakarta.persistence.*;
@Entity
@Table(name="films")
public class FilmModel {
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name="film_id")
private int id;
@Column(name="title")
private String filmTitle;
public FilmModel() {}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getFilmTitle() {
return filmTitle;
}
public void setFilmTitle(String filmTitle) {
this.filmTitle = filmTitle;
}
@Override
public String toString() {
return "Film{" +
"id=" + id +
", filmTitle='" + filmTitle + '}';
}
}

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src/main/java/org/example/Main.java Normal file
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//package org.example;
//
//public class Main {
// public static void main(String[] args) {
// System.out.println("Hello world!");
// }
//}
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import java.util.List;
public class Main {
public static void main(String[] args) {
System.out.println("Start");
// Tworzenie obiektu konfiguracji Hibernate
Configuration configuration = new Configuration();
configuration.configure(); // Domyślnie wczytuje plik hibernate.cfg.xml
// Tworzenie obiektu sesji
try (SessionFactory sessionFactory = configuration.buildSessionFactory()) {
// Otwieranie sesji
try (Session session = sessionFactory.openSession()) {
// Rozpoczęcie transakcji
session.beginTransaction();
// Wykonanie zapytania SQL
List<Object[]> result = session.createQuery("SELECT * FROM film").list();
// Wypisywanie wyników na konsoli
for (Object[] row : result) {
for (Object column : row) {
System.out.print(column + " ");
}
System.out.println();
}
// Zakończenie transakcji
session.getTransaction().commit();
}
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("Done");
}
}

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src/main/resources/hibernate.cfg.xml Normal file
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<hibernate-configuration>
<session-factory>
<!-- ustawienia połączenia z bazą danych -->
<property name="hibernate.connection.driver_class">org.postgresql.Driver</property>
<property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/PRA2024</property>
<property name="hibernate.connection.username">postgres</property>
<property name="hibernate.connection.password">password</property>
<!-- inne ustawienia Hibernate -->
<property name="hibernate.dialect">org.hibernate.dialect.PostgreSQLDialect</property>
<property name="hibernate.show_sql">true</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<!-- skanowanie pakietów z encjami -->
<mapping class="org.example.FilmModel"/>
<mapping class="org.example.FilmInfoModel"/>
<mapping class="org.example.FilmLanguageModel"/>
<mapping class="org.example.FilmCategoryModel"/>
</session-factory>
</hibernate-configuration>

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src/test/java/org/example/HibernateExampleTest.java Normal file
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//package org.example;
//
//import jdk.jfr.Event;
//import org.hibernate.Session;
//import org.hibernate.SessionFactory;
//import org.hibernate.boot.MetadataSources;
//import org.hibernate.boot.registry.StandardServiceRegistry;
//import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
//import org.junit.Test;
//import org.junit.jupiter.api.AfterEach;
//import org.junit.jupiter.api.BeforeEach;
//import org.junit.jupiter.api.Disabled;
//
//import java.util.List;
//
//import static org.hamcrest.MatcherAssert.assertThat;
//
//public class HibernateExampleTest {
// private SessionFactory sessionFactory;
//
// @BeforeEach
// protected void setUp() {
// // A SessionFactory is set up once for an application!
// final StandardServiceRegistry registry =
// new StandardServiceRegistryBuilder()
// .build();
// try {
// sessionFactory =
// new MetadataSources(registry)
// .addAnnotatedClass(Event.class)
// .buildMetadata()
// .buildSessionFactory();
// }
// catch (Exception e) {
// // The registry would be destroyed by the SessionFactory, but we
// // had trouble building the SessionFactory so destroy it manually.
// StandardServiceRegistryBuilder.destroy(registry);
// }
// }
//
//// @AfterEach
//// protected void tearDown() throws Exception {
//// if ( sessionFactory != null ) {
//// sessionFactory.close();
//// }
//// }
//
// @Test
// public void postgres_fetch_actors() {
// try (Session session = sessionFactory.getCurrentSession()) {
// session.beginTransaction();
//
// List<Actor> actors = session.createQuery("select a from Actor a", Actor.class).list();
// actors.forEach(System.out::println);
//
//
// session.getTransaction().commit();
// }
// }
//
//
//// @Test
//// @Disabled
//// public void how_does_hibernate_work() {
//// Actor actor = null;
//// assertThat(actor.getFirstName()).isEqualTo("Penelope");
//// }
//}