Example usage for javax.persistence EntityManager getTransaction

List of usage examples for javax.persistence EntityManager getTransaction

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Introduction

In this page you can find the example usage for javax.persistence EntityManager getTransaction.

Prototype

public EntityTransaction getTransaction();

Source Link

Document

Return the resource-level EntityTransaction object.

Usage

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();

  BadProfessor emp2 = new BadProfessor();
  emp2.setId(2);/*w  w  w. j a v  a 2 s.c  om*/

  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();

        service.createProfessor("country", 1, "name", 100);

        Professor emp = service.findProfessor("country", 1);
        System.out.println("Found " + emp);

        System.out.println("Professors:");
        for (Professor emp1 : service.findAllProfessors()) {
            System.out.println(emp1);
        }//from  www.ja va 2s  . c  o m

        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();

        service.createProfessor("country", 1, "name");
        System.out.println("Professors:");
        for (Professor emp : service.findAllProfessors()) {
            System.out.print(emp);
            System.out.print(emp.getManager());
        }// w  w  w  .  j  ava  2s . c o m

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

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

From source file:Department.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();
        Professor emp = service.createProfessor("empName", 100);

        Department dept = service.createDepartment("deptName");

        service.setProfessorDepartment(emp.getId(), dept.getId());

        Collection<Professor> emps = service.findAllProfessors();
        for (Professor emp1 : emps) {
            System.out.println(emp1);
        }/*from  w  w w .  j  a  v  a  2 s. com*/
        Collection<Department> depts = service.findAllDepartments();
        for (Department dept1 : depts) {
            System.out.println(dept1);
        }

        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();

        Professor emp = null;/*w w w  .  ja  va 2s.c o  m*/
        emp = new GoodProfessor();
        emp.setId(1);
        emp.setName("good");
        service.createProfessor(emp);

        emp = new BadProfessor();
        emp.setId(2);
        emp.setName("bad");
        service.createProfessor(emp);

        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:Address.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();
  Professor emp = service.createProfessor("name", 100, 
      "street", "city", "state", "zip");
  em.getTransaction().commit();/*  ww  w  .  ja v a  2 s. c om*/
  System.out.println("Persisted " + emp);

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

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

From source file:Address.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();
        Professor emp = service.createProfessor("name", 100, "street", "city", "state", "zip");
        em.getTransaction().commit();//ww  w  .  j a  v  a 2 s . c  o m
        System.out.println("Persisted " + emp);

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

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

From source file:Department.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();

        Collection<Professor> l = service.findAllProfessors();

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

        em.getTransaction().commit();/*w w  w  .  j av a  2  s .co  m*/
        em.close();
        emf.close();
    }

From source file:AbstractProfessor.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();

        GoodProfessor emp = null;/*from w  w w.j a  v a2 s  . co  m*/
        emp = new GoodProfessor();
        emp.setId(1);
        emp.setName("good");

        service.createProfessor(emp);

        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();

        long l = service.findSalaryForNameAndDepartment("deptName", "empName");

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

        em.getTransaction().commit();//from w w  w.  ja v a 2s  . c  o  m
        em.close();
        emf.close();
    }