Composite Primary Keys In Hibernate | Code Factory

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Download Code and Jars : Link

File : ProjectId.java

package com.codeFactory.bean;
import java.io.Serializable;
public class ProjectId implements Serializable {
int departmentId;
 int projectId;
public int getDepartmentId() {
  return departmentId;
 }
public void setDepartmentId(int departmentId) {
  this.departmentId = departmentId;
 }
public int getProjectId() {
  return projectId;
 }
public void setProjectId(int projectId) {
  this.projectId = projectId;
 }
}

File : Project.java

package com.codeFactory.bean;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.IdClass;
@Entity
@IdClass(ProjectId.class)
public class Project {
@Id
 int departmentId;
@Id
 int projectId;
public int getDepartmentId() {
  return departmentId;
 }
public void setDepartmentId(int departmentId) {
  this.departmentId = departmentId;
 }
public int getProjectId() {
  return projectId;
 }
public void setProjectId(int projectId) {
  this.projectId = projectId;
 }
}

File : Action.java

package com.codeFactory.action;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.AnnotationConfiguration;
import com.codeFactory.bean.Project;
public class Action {
static AnnotationConfiguration annotationConfiguration;
 static SessionFactory sessionFactory;
public static void main(String args[])
 {
  annotationConfiguration = new AnnotationConfiguration();
  sessionFactory = annotationConfiguration.configure("hibernate.cfg.xml")
    .buildSessionFactory();
  Session session = sessionFactory.openSession();
  Transaction transaction = null;
  try
  {
   transaction = session.beginTransaction();
   Project project = new Project();
   project.setProjectId(1);
   project.setDepartmentId(2);
   session.save(project);
   transaction.commit();
   System.out.println("Saved.");
   session.close();
  }
  catch (Exception e)
  {
   System.out.println("Exception : " + e);
  }
 }
}

File : hibernate.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC  
          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"  
          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
        <session-factory>
            <property name="hbm2ddl.auto">update</property>
            <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
            <property name="connection.url">jdbc:mysql://localhost:3306/test</property>
            <property name="connection.username">root</property>
            <property name="connection.password">root</property>
            <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
            <mapping class="com.codeFactory.bean.Project" />
        </session-factory>
    </hibernate-configuration>