commit inicial

This commit is contained in:
Isidoro Nevares Martín 2026-01-09 12:15:38 +01:00
commit 5fc6bf3198
12 changed files with 456 additions and 0 deletions

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.classpath Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" output="target/classes" path="src/main/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="src/test/java">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry excluding="**" kind="src" output="target/test-classes" path="src/test/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>
<attribute name="test" value="true"/>
<attribute name="optional" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
<attributes>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>

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.gitignore vendored Normal file
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/bin/
*.class
/target/

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.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>aadd_concesionario</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.m2e.core.maven2Builder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.m2e.core.maven2Nature</nature>
</natures>
</projectDescription>

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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
org.eclipse.jdt.core.compiler.compliance=1.8
org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
org.eclipse.jdt.core.compiler.release=disabled
org.eclipse.jdt.core.compiler.source=1.8

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activeProfiles=
eclipse.preferences.version=1
resolveWorkspaceProjects=true
version=1

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pom.xml Normal file
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<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.lapaloma.concesionario</groupId>
<artifactId>aadd_concesionario</artifactId>
<version>0.0.1-SNAPSHOT</version>
<!-- Repositorio propio de ObjectDB -->
<repositories>
<repository>
<id>objectdb</id>
<name>ObjectDB Repository</name>
<url>https://m2.objectdb.com</url>
</repository>
</repositories>
<dependencies>
<!-- https://mvnrepository.com/artifact/org.hibernate.orm/hibernate-core -->
<dependency>
<groupId>org.hibernate.orm</groupId>
<artifactId>hibernate-core</artifactId>
<version>7.1.11.Final</version>
</dependency>
<!-- Dependencia de ObjectDB buscada en el repositorio propio de ObjectDB -->
<dependency>
<groupId>com.objectdb</groupId>
<artifactId>objectdb-jk</artifactId>
<version>2.9.4</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.mysql/mysql-connector-j -->
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<version>9.5.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>42.7.8</version>
</dependency>
</dependencies>
</project>

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package org.lapaloma.concesionario;
import java.util.List;
import org.hibernate.Session;
import org.lapaloma.concesionario.conectores.GestorEntityManagerJPA;
import org.lapaloma.concesionario.conectores.GestorSesionesHibernate;
import org.lapaloma.concesionario.vo.Coche;
import jakarta.persistence.EntityManager;
/**
*
* AppConcesionario: Clase que realiza el tratamiento de los coches de un
* concesionario.
*
* @author Isidoro Nevares Martín - IES Virgen de la Paloma
* @date 4 dic 2025
*
*
*/
public class AppConcesionario {
public static void main(String[] args) {
AppConcesionario app = new AppConcesionario();
try {
app.realizarMigracionMySQLAObjectDB();
app.realizarMigracionMySQLAPostgreSQLConJPA();
} catch (Exception e) {
e.printStackTrace();
}
}
private void realizarMigracionMySQLAObjectDB() throws Exception {
// Obtener los coches de MySQL para guardarlos en ObjectDB
Session sesionH = GestorSesionesHibernate.getSession();
List<Coche> listaCoches = sesionH.createQuery("FROM Coche", Coche.class).getResultList();
for (Coche coche : listaCoches) {
System.out.println(coche);
EntityManager em = GestorEntityManagerJPA.getEntityManager();
Coche cocheODB = em.find(Coche.class, coche.getIdentificador());
// Si el coche no existe en ObjectDB, lo persisto; si existe, lo actualizo
if (cocheODB == null) {
em.getTransaction().begin();
em.persist(coche);
em.getTransaction().commit();
} else {
em.getTransaction().begin();
em.merge(coche);
em.getTransaction().commit();
}
}
}
private void realizarMigracionMySQLAPostgreSQLConJPA() {
// Obtener los coches de MySQL para guardarlos en PostreSQL
EntityManager emMySQL = GestorEntityManagerJPA.getEntityManagerMySQL();
List<Coche> listaCoches = emMySQL.createQuery("FROM Coche", Coche.class).getResultList();
for (Coche coche : listaCoches) {
System.out.println(coche);
EntityManager emPostgreSQL = GestorEntityManagerJPA.getEntityManagerMySQL();
Coche cochePostgreSQL = emPostgreSQL.find(Coche.class, coche.getIdentificador());
// Si el coche no existe en ObjectDB, lo persisto; si existe, lo actualizo
if (cochePostgreSQL == null) {
emPostgreSQL.getTransaction().begin();
emPostgreSQL.persist(coche);
emPostgreSQL.getTransaction().commit();
} else {
emPostgreSQL.getTransaction().begin();
emPostgreSQL.merge(coche);
emPostgreSQL.getTransaction().commit();
}
}
}
}

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package org.lapaloma.concesionario.conectores;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityManagerFactory;
import jakarta.persistence.Persistence;
/**
*
* GestorEntityManagerJPA: Clase que realiza la gestión de EntityManagers de JPA.
*
* @author Isidoro Nevares Martín - IES Virgen de la Paloma
* @date 4 dic 2025
*
*
*/
public class GestorEntityManagerJPA {
private static EntityManagerFactory entityManagerFactory = null;
private static EntityManagerFactory entityManagerFactoryMySQL = null;
private static EntityManagerFactory entityManagerFactoryPostgreSQKL = null;
private GestorEntityManagerJPA() { // Constructor privado para evitar instanciación
}
// Carga la configuración desde META-INF/persistence.xml
static {
try {
entityManagerFactory = Persistence.createEntityManagerFactory("UP_CONCESIONARIO_ODB");
entityManagerFactoryMySQL = Persistence.createEntityManagerFactory("UP_CONCESIONARIO_MYSQL");
entityManagerFactoryPostgreSQKL = Persistence.createEntityManagerFactory("UP_CONCESIONARIO_POSTGRESQL");
} catch (Throwable ex) {
System.err.println("Error en EntityManagerFactory: " + ex);
throw new ExceptionInInitializerError(ex);
}
}
public static EntityManager getEntityManager() {
return entityManagerFactory.createEntityManager();
}
public static EntityManager getEntityManagerMySQL() {
return entityManagerFactoryMySQL.createEntityManager();
}
public static EntityManager getEntityManagerPostgreSQL() {
return entityManagerFactoryPostgreSQKL.createEntityManager();
}
public static void closeEntityManagerFactory() {
entityManagerFactory.close();
}
}

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package org.lapaloma.concesionario.conectores;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
/**
*
* GestorSesionesHibernate: Clase que realiza la gestión de sesiones Hibernate.
*
* @author Isidoro Nevares Martín - IES Virgen de la Paloma
* @date 4 dic 2025
*
*
*/
public class GestorSesionesHibernate {
private static SessionFactory sessionFactory = null;
private GestorSesionesHibernate() { // Constructor privado para evitar instanciación
}
// Carga la configuración desde hibernate.cfg.xml
static {
try {
sessionFactory = new Configuration().configure().buildSessionFactory();
} catch (Throwable ex) {
System.err.println("Error en SessionFactory: " + ex);
throw new ExceptionInInitializerError(ex);
}
}
public static Session getSession() {
return sessionFactory.openSession();
}
public static Session getCurrentSession() {
return sessionFactory.getCurrentSession();
}
public static void closeFactoria() {
if (sessionFactory != null) {
sessionFactory.close();
}
}
}

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package org.lapaloma.concesionario.vo;
import jakarta.persistence.Entity;
import jakarta.persistence.Id;
import jakarta.persistence.Table;
/**
*
* Coche: Clase de persistencia que representa un coche de un concesionario.
*
* @author Isidoro Nevares Martín - IES Virgen de la Paloma
* @date 4 dic 2025
*
*
*/
@Entity
@Table(name = "T_COCHE")
public class Coche {
@Id
private int identificador;
private String marca;
private String modelo;
private double cilindrada;
public int getIdentificador() {
return identificador;
}
public void setIdentificador(int identificador) {
this.identificador = identificador;
}
public String getMarca() {
return marca;
}
public void setMarca(String marca) {
this.marca = marca;
}
public String getModelo() {
return modelo;
}
public void setModelo(String modelo) {
this.modelo = modelo;
}
public double getCilindrada() {
return cilindrada;
}
public void setCilindrada(double cilindrada) {
this.cilindrada = cilindrada;
}
@Override
public String toString() {
return "Coche [identificador=" + identificador + ", marca=" + marca + ", modelo=" + modelo + ", cilindrada="
+ cilindrada + "]";
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
version="2.1">
<persistence-unit name="UP_CONCESIONARIO_ODB" transaction-type="RESOURCE_LOCAL">
<!-- Proveedor de persistencia JPA -->
<provider>com.objectdb.jpa.Provider</provider>
<!-- Clases a "mapear" -->
<class>org.lapaloma.concesionario.vo.Coche</class>
<!-- Configuración de propiedades del SGDB (ObjectDB)-->
<properties>
<property name="jakarta.persistence.jdbc.url" value="objectdb://localhost/Cocensionario.odb" />
<property name="jakarta.persistence.jdbc.user" value="admin"/>
<property name="jakarta.persistence.jdbc.password" value="admin"/>
</properties>
</persistence-unit>
<persistence-unit name="UP_CONCESIONARIO_MYSQL" transaction-type="RESOURCE_LOCAL">
<!-- Proveedor de persistencia JPA -->
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<!-- Clases a "mapear" -->
<class>org.lapaloma.concesionario.vo.Coche</class>
<!-- Configuración de propiedades del SGDB (MySQL) -->
<properties>
<property name="jakarta.persistence.jdbc.url" value="jdbc:mysql://192.168.1.36:3306/Concesionario"/>
<property name="jakarta.persistence.jdbc.user" value="root"/>
<property name="jakarta.persistence.jdbc.password" value="mysql_123"/>
<property name="jakarta.persistence.jdbc.driver" value="com.mysql.cj.jdbc.Driver"/>
<!-- Configuración Hibernate -->
<property name="hibernate.hbm2ddl.auto" value="none"/>
<property name="hibernate.show_sql" value="true"/>
</properties>
</persistence-unit>
<persistence-unit name="UP_CONCESIONARIO_POSTGRESQL" transaction-type="RESOURCE_LOCAL">
<!-- Proveedor de persistencia JPA -->
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
<!-- Clases a "mapear" -->
<class>org.lapaloma.concesionario.vo.Coche</class>
<!-- Configuración de propiedades del SGDB (PostgreSQL) -->
<properties>
<property name="jakarta.persistence.jdbc.url" value="jdbc:postgresql://192.168.1.36:5432/Concesionario"/>
<property name="jakarta.persistence.jdbc.user" value="vdlp"/>
<property name="jakarta.persistence.jdbc.password" value="postgresql_123"/>
<property name="jakarta.persistence.jdbc.driver" value="org.postgresql.Driver"/>
<!-- Configuración Hibernate -->
<property name="hibernate.hbm2ddl.auto" value="none"/>
<property name="hibernate.show_sql" value="true"/>
</properties>
</persistence-unit>
</persistence>

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<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="connection.url">jdbc:mysql://192.168.1.36:3306/Concesionario</property>
<property name="connection.driver_class">com.mysql.cj.jdbc.Driver</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<property name="connection.username">root</property>
<property name="connection.password">mysql_123</property>
<!-- DB schema will be updated if needed -->
<property name="hbm2ddl.auto">none</property>
<property name="show_sql">false</property>
<property name="format_sql">true</property>
<mapping class="org.lapaloma.concesionario.vo.Coche"></mapping>
</session-factory>
</hibernate-configuration>