Projection Example

Configuration configurationObj = new Configuration();
configurationObj.configure("hibernate.cfg.xml");
SessionFactory sessionFactoryObj = configurationObj.buildSessionFactory();
Session sessionObj = sessionFactoryObj.openSession();
Criteria criteriaObj=sessionObj.createCriteria(Entity.class);

Projection p1=Projections.property("id");
criteriaObj.setProjection(p1);

List entityList = criteriaObj.list();
Iterator iteratorObj = entityList.iterator();

System.out.println(" ID ");
System.out.println("-------");
while(iteratorObj.hasNext()){
      Integer id =(Integer) iteratorObj.next();
      System.out.println(id);
}
System.out.println("---------\n");

Projection p2=Projections.property("name");
criteriaObj.setProjection(p2);

entityList = criteriaObj.list();
iteratorObj = entityList.iterator();

System.out.println(" NAME ");
System.out.println("-------");
while(iteratorObj.hasNext()){
      String name =(String) iteratorObj.next();
      System.out.println(name);
}
System.out.println("---------");

sessionFactoryObj.close();