Example usage for javax.persistence EntityManagerFactory createEntityManager

Introduction

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

Prototype

public EntityManager createEntityManager();

Source Link

Document

Create a new application-managed EntityManager.

Usage

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  av a2 s  .c om*/

        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: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  a2s .c  o m

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

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

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

---

From source file:org.isatools.isatab.commandline.PersistenceShellCommand.java

public static void main(String[] args) {
    EntityTransaction transaction = null;
    try {//from   ww  w  . ja  v  a2 s. c o m

        Options clopts = createCommonOptions();
        CommandLine cmdl = AbstractImportLayerShellCommand.parseCommandLine(clopts, args,
                PersistenceShellCommand.class);

        args = cmdl.getArgs();
        if (args == null || args.length == 0) {
            printUsage(clopts);
            System.exit(1);
        }

        setup(args);
        setupLog4JPath(cmdl, null);

        // Need to initialize this here, otherwise above config will fail
        log = Logger.getLogger(PersistenceShellCommand.class);

        Properties hibProps = AbstractImportLayerShellCommand.getHibernateProperties();
        hibProps.setProperty("hibernate.search.indexing_strategy", "manual");
        hibProps.setProperty("hibernate.hbm2ddl.auto", "update");
        hibProps.setProperty("hbm2ddl.drop", "false");

        EntityManagerFactory entityManagerFactory = Persistence.createEntityManagerFactory("BIIEntityManager",
                hibProps);
        EntityManager entityManager = entityManagerFactory.createEntityManager();

        BIIObjectStore store = loadIsaTab();
        log.info(i18n.msg("mapping_done_now_persisting", store.size()));

        ISATABPersister persister = new ISATABPersister(store, DaoFactory.getInstance(entityManager));
        transaction = entityManager.getTransaction();
        transaction.begin();
        Timestamp ts = persister.persist(sourceDirPath);
        transaction.commit();
        entityManager.close();

        reindexStudies(store, hibProps);

        log.info("\n\n" + i18n.msg("mapping_done_data_saved_in_db"));
        log.info("\n\n" + i18n.msg("submission_done_ts_reported", "" + ts.getTime(),
                new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.S").format(ts) + "." + ts.getNanos()) + "\n");
        System.exit(0);
    } catch (Exception ex) {
        String msg = "ERROR: problem while running the ISATAB loader: " + ex.getMessage();
        if (log == null) {
            out.println(msg + "\n");
            ex.printStackTrace();
        } else {
            log.fatal(msg, ex);
        }
        System.exit(1);
    }
}

---

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  w  w w.  j  ava  2  s .  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.  ja v  a 2 s  . c om*/

        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: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  w w w.ja v  a  2 s.  co  m*/

        service.findProfessorsReportingTo(1);

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

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

---

From source file:Address.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();//from w  ww . j a  va  2s  .  co  m

        service.addProfessor("12");

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

        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 ww.  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();// w  ww .  jav  a2  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: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();//www .  jav  a2  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();
    }

---

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