Example usage for javax.persistence EntityManagerFactory close

Introduction

In this page you can find the example usage for javax.persistence EntityManagerFactory close.

Prototype

public void close();

Source Link

Document

Close the factory, releasing any resources that it holds.

Usage

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  ww .  j  ava 2s  . c o 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: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();/*  w w w  .j  ava 2  s.  c  o m*/

        GoodProfessor emp = null;
        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();
    }

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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();/*from   www . j av a 2 s  .  co  m*/

        service.createProfessorAndAddress(1, "name", 100, "street", "city", "state", "zip");
        service.createCompanyAndAddress("Name", "Street", "City", "State", "Zip");

        System.out.println("Professors and Addresses:");
        for (Professor emp : service.findAllProfessors()) {
            System.out.println(emp);
        }
        for (Company c : service.findAllCompanies()) {
            System.out.println(c);
        }
        util.checkData("select * from Professor");
        util.checkData("select * from Company");

        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();//from w  w w  .  j  av  a  2 s  .  c  om
        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);
        }
        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: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();//from   w ww . j  a va2s  .  c  o m

        service.init(3);
        service.next();
        service.previous();

        for (Object o : service.getCurrentResults()) {
            System.out.print(o);
        }

        System.out.println("Page " + (service.getCurrentPage() + 1) + " of " + service.getMaxPages());

        if (service.getCurrentPage() == 0) {
            System.out.print("Previous disabled ");
        }

        if (service.getCurrentPage() + 1 == service.getMaxPages()) {
            System.out.print("Next disabled ");
        }

        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();//w w  w  .  ja  v  a  2s . com
        Professor emp = service.createProfessor("empName", 100);

        Project proj = service.createProject("projName");

        emp = service.addProfessorProject(emp.getId(), proj.getId());

        Collection<Professor> emps = service.findAllProfessors();
        if (emps.isEmpty()) {
            System.out.println("No Professors found ");
        } else {
            System.out.println("Found Professors:");
            for (Professor emp1 : emps) {
                System.out.println(emp1);
            }
        }

        Collection<Project> projs = service.findAllProjects();
        if (projs.isEmpty()) {
            System.out.println("No Projects found ");
        } else {
            System.out.println("Found Projects:");
            for (Project proj1 : projs) {
                System.out.println(proj1);
            }
        }

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

        util.checkData("select * from Project");
        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();//w w  w .  j a va2 s  .c o m

        Professor emp = service.createProfessor("empName", 100);
        Department dept = service.createDepartment("deptName");

        emp = service.setProfessorDepartment(emp.getId(), dept.getId());
        System.out.println(emp.getDepartment() + " with Professors:");
        System.out.println(emp.getDepartment().getProfessors());

        Collection<Professor> emps = service.findAllProfessors();
        if (emps.isEmpty()) {
            System.out.println("No Professors found ");
        } else {
            System.out.println("Found Professors:");
            for (Professor emp1 : emps) {
                System.out.println(emp1);
            }
        }

        Collection<Department> depts = service.findAllDepartments();
        if (depts.isEmpty()) {
            System.out.println("No Departments found ");
        } else {
            System.out.println("Found Departments:");
            for (Department dept1 : depts) {
                System.out.println(dept1 + " with " + dept1.getProfessors().size() + " employees");
            }
        }

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

        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();//from ww  w  .j  a  v  a 2 s . c  o m

        Professor emp = service.createProfessor("empName", 100L);

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

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

        System.out.println(emp.getDepartment() + " with Professors:");
        System.out.println(emp.getDepartment().getProfessors());

        Collection<Professor> emps = service.findAllProfessors();
        if (emps.isEmpty()) {
            System.out.println("No Professors found ");
        } else {
            System.out.println("Found Professors:");
            for (Professor emp1 : emps) {
                System.out.println(emp1);
            }
        }
        Collection<Department> depts = service.findAllDepartments();
        if (depts.isEmpty()) {
            System.out.println("No Departments found ");
        } else {
            System.out.println("Found Departments:");
            for (Department dept1 : depts) {
                System.out.println(
                        dept1 + " with " + dept1.getProfessors().size() + " employees " + dept1.getProfessors());
            }
        }

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

        util.checkData("select * from Department");
        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();/*from   w ww.j a  va 2s.c o m*/

        Professor emp = service.createProfessor("empName", 100L);

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

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

        System.out.println(emp.getDepartment() + " with Professors:");
        System.out.println(emp.getDepartment().getProfessors());

        Collection<Professor> emps = service.findAllProfessors();
        if (emps.isEmpty()) {
            System.out.println("No Professors found ");
        } else {
            System.out.println("Found Professors:");
            for (Professor emp1 : emps) {
                System.out.println(emp1);
            }
        }

        Collection<Department> depts = service.findAllDepartments();
        if (depts.isEmpty()) {
            System.out.println("No Departments found ");
        } else {
            System.out.println("Found Departments:");
            for (Department dept1 : depts) {
                System.out.println(
                        dept1 + " with " + dept1.getProfessors().size() + " employees " + dept1.getProfessors());
            }
        }

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

        util.checkData("select * from Department");
        em.getTransaction().commit();
        em.close();
        emf.close();
    }

---

From source file:com.impetus.kvapps.runner.AppRunner.java

/**
 * After successful processing close entity manager and it's factory instance.
 * //from w w  w.j  a  v  a 2 s  . com
 * @param emf          entity manager factory instance.
 * @param em           entity manager instance
 */
private static void onDestroyDBResources(EntityManagerFactory emf, EntityManager em) {
    if (emf != null) {
        emf.close();
    }

    if (em != null) {
        em.close();
    }
}

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