Example usage for javax.persistence Persistence createEntityManagerFactory

Introduction

In this page you can find the example usage for javax.persistence Persistence createEntityManagerFactory.

Prototype

public static EntityManagerFactory createEntityManagerFactory(String persistenceUnitName)

Source Link

Document

Create and return an EntityManagerFactory for the named persistence unit.

Usage

From source file:Message.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();/* w w  w.  ja va  2s .c o m*/

        service.messageCreateAndList();

        util.checkData("select * from Message");

        em.getTransaction().commit();
        em.close();
        emf.close();
    }

From source file:BadProfessor.java

  public static void main(String[] a) throws Exception {
  JPAUtil util = new JPAUtil();

  EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
  EntityManager em = emf.createEntityManager();
  ProfessorService service = new ProfessorService(em);

  em.getTransaction().begin();//w ww . java 2  s  . c om

  BadProfessor emp2 = new BadProfessor();
  emp2.setId(2);

  emp2.setName("bad");
    
  service.createProfessor(emp2);

  System.out.println("Professors: ");
  for (Professor emp1 : service.findAllProfessors()) {
    System.out.print(emp1);
  }

  util.checkData("select * from EMP");

  em.getTransaction().commit();
  em.close();
  emf.close();
}

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();//from  w  w w  .  j a  v a  2  s  .c  o m

        service.lockAllProfessors();

        util.checkData("select * from Professor");

        em.getTransaction().commit();
        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();//from   w  w w  .j  a  v a 2s.c o  m
        Professor emp = service.createProfessor(158, "AAA", 45000);
        em.getTransaction().commit();
        System.out.println("Persisted " + emp);

        util.checkData("select * from EMP");

        // remove an employee
        em.getTransaction().begin();
        service.removeProfessor(158);
        em.getTransaction().commit();
        System.out.println("Removed Professor 158");

        util.checkData("select * from EMP");

        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();//  w w  w . ja  v  a  2s.c  o m

        Professor emp = service.createProfessor(1, "name", 100);
        emp = service.createProfessor(2, "name 2", 100);

        Collection emps = em.createQuery("SELECT e FROM Professor e").getResultList();
        for (Iterator i = emps.iterator(); i.hasNext();) {
            Professor e = (Professor) i.next();
            System.out.println("Professor " + e.getId() + ", " + e.getName());
        }
        util.checkData("select * from Professor");

        em.getTransaction().commit();
        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();
        util.executeSQLCommand("CREATE SEQUENCE Emp_Seq;");

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();//from  www .  ja va2 s  .co m
        Professor emp = service.createProfessor("name", 100);
        em.getTransaction().commit();
        System.out.println("Persisted " + emp);

        util.checkData("select * from Professor");

        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();// w w w  .java2s .  co  m

        Professor emp = service.createProfessor(1, "name", 100);
        emp = service.createProfessor(2, "name 2", 100);

        Integer userId = 1;

        emp = em.find(Professor.class, userId);
        if (emp == null) {
            System.out.println(userId + " not found! ");
        } else {
            System.out.println("Found " + emp);
        }

        for (Object o : em.createQuery("SELECT u FROM Professor u").getResultList()) {
            System.out.println(o);
        }

        util.checkData("select * from Professor");

        em.getTransaction().commit();
        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();/*ww  w . j av  a 2  s. c om*/

        //service.removeDepartment2();

        util.checkData("select * from Professor");
        util.checkData("select * from Department");

        em.getTransaction().commit();
        em.close();
        emf.close();
    }

From source file:Professor.java

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();// ww w.j  a v a  2 s.c om
        Professor emp = service.createProfessor(158, "AAA", 45000, new Date());
        em.getTransaction().commit();
        System.out.println("Persisted " + emp);

        util.checkData("select * from Professor");

        // remove an employee
        em.getTransaction().begin();
        service.removeProfessor(158);
        em.getTransaction().commit();
        System.out.println("Removed Professor 158");

        util.checkData("select * from Professor");

        em.close();
        emf.close();
    }

From source file:Professor.java

License:asdf

public static void main(String[] a) throws Exception {
        JPAUtil util = new JPAUtil();

        EntityManagerFactory emf = Persistence.createEntityManagerFactory("ProfessorService");
        EntityManager em = emf.createEntityManager();
        ProfessorService service = new ProfessorService(em);

        em.getTransaction().begin();/*w w w  .  ja  v a  2 s.c  om*/
        Professor emp = service.createProfessor(158, "AAA", 45000, "asdf".getBytes());
        em.getTransaction().commit();
        System.out.println("Persisted " + emp);

        util.checkData("select * from EMP");

        // remove an employee
        em.getTransaction().begin();
        service.removeProfessor(158);
        em.getTransaction().commit();
        System.out.println("Removed Professor 158");

        util.checkData("select * from EMP");

        em.close();
        emf.close();
    }