Example usage for javax.persistence EntityManager close

Introduction

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

Prototype

public void close();

Source Link

Document

Close an application-managed entity manager.

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();//from ww  w  .  j av a2  s  .co m

        Professor emp = null;
        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: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  va  2 s  .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();/*from w  w w.j  a  va2  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();
    }

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();//ww w. j  ava  2s .c  o 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();/* w w  w . j a  v a2  s. co m*/
        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:elaborate.editor.backend.Indexer.java

@SuppressWarnings("boxing")
public static void main(String[] args) {
    boolean wipeIndexFirst = args.length == 0 ? false : "-w".equals(args[0]);
    StopWatch sw = new StopWatch();
    sw.start();//  w w  w .  j  av  a  2  s  .  c  o  m
    ElaborateSolrIndexer solr = new ElaborateSolrIndexer();
    if (wipeIndexFirst) {
        Log.info("clearing index");
        solr.clear();
    }
    EntityManager entityManager = HibernateUtil.getEntityManager();
    try {
        ProjectEntryService projectEntryService = ProjectEntryService.instance();
        projectEntryService.setEntityManager(entityManager);
        List<ProjectEntry> projectentries = projectEntryService.getAll();
        int size = projectentries.size();
        Log.info("indexing {} projectEntries", size);
        int n = 1;
        for (ProjectEntry projectEntry : projectentries) {
            Log.info("indexing projectEntry {} ({}/{} = {}%) (est. time remaining: {})", //
                    new Object[] { //
                            projectEntry.getId(), n, size, //
                            percentage(n, size), //
                            time_remaining(n, size, sw.getTime()) //
                    } //
            );
            solr.index(projectEntry, autoCommit(n));
            n++;
        }
    } finally {
        entityManager.close();
    }
    solr.commit();
    sw.stop();
    Log.info("done in {}", convert(sw.getTime()));
}

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