Example usage for javax.persistence EntityManager persist

List of usage examples for javax.persistence EntityManager persist

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Introduction

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

Prototype

public void persist(Object entity);

Source Link

Document

Make an instance managed and persistent.

Usage

From source file:facades.PersonFacadeDB.java

@Override
public RoleSchool addRole(String json, Integer id) throws NotFoundException {
    Person p = gson.fromJson(getPerson(id), Person.class);
    HashMap<String, String> map = new Gson().fromJson(json, new TypeToken<HashMap<String, String>>() {
    }.getType());/*w  ww.ja  v  a2  s.c  om*/

    String roleName = map.get("roleName");
    RoleSchool role;

    switch (roleName) {
    case "Teacher Assistant":
        //Create role
        RoleSchool ta = new TeacherAssistant();
        ta.setPerson(p);
        role = ta;
        break;
    case "Teacher":

        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");

        String dateInString = map.get("date");
        Date date = new Date();

        try {
            date = formatter.parse(dateInString);
        } catch (ParseException e) {
            e.printStackTrace(System.out);
        }

        RoleSchool t = new Teacher(date, map.get("degree"));
        t.setPerson(p);
        role = t;
        break;
    case "Student":
        RoleSchool s = new Student(map.get("semester"));
        s.setPerson(p);
        role = s;
        break;
    default:
        throw new IllegalArgumentException("no such role");
    }
    //save this info
    EntityManagerFactory emf = Persistence.createEntityManagerFactory(persistenceFileName);
    EntityManager em = emf.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();

    try {
        em.persist(role);
        transaction.commit();
        em.getEntityManagerFactory().getCache().evictAll();
    } catch (Exception e) {
        throw new NotFoundException("Couldnt add role");
    } finally {
        em.close();
    }

    return role;

}

From source file:org.drools.task.service.TaskServiceEscalationBaseTest.java

public void testUnescalatedDeadlinesOnStartup() throws Exception {
    Map vars = new HashedMap();
    vars.put("users", users);
    vars.put("groups", groups);

    //Reader reader;
    Reader reader = new InputStreamReader(
            TaskServiceEscalationBaseTest.class.getResourceAsStream("../QueryData_UnescalatedDeadlines.mvel"));
    List<Task> tasks = (List<Task>) eval(reader, vars);
    long now = ((Date) vars.get("now")).getTime();

    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();// w  w w.j a v a  2  s . c  om
    for (Task task : tasks) {
        // for this one we put the task in directly;
        em.persist(task);
    }
    em.getTransaction().commit();

    // now create a new service, to see if it initiates from the DB correctly
    MockEscalatedDeadlineHandler handler = new MockEscalatedDeadlineHandler();
    TaskService local = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener(), handler);

    handler.wait(3, 30000);

    assertEquals(3, handler.list.size());

    Item item0 = handler.list.get(0);
    assertEquals(item0.getDeadline().getDate().getTime(), now + 20000);

    Item item1 = handler.list.get(1);
    assertEquals(item1.getDeadline().getDate().getTime(), now + 22000);

    Item item2 = handler.list.get(2);
    assertEquals(item2.getDeadline().getDate().getTime(), now + 24000);
}

From source file:com.sun.socialsite.business.impl.JPAPersistenceStrategy.java

/**
 * Store object using an existing transaction.
 * @param obj the object to persist/*w w w  . j  a v a2s  .  co  m*/
 * @return the object persisted
 * @throws SocialSiteException on any error
 */
public Object store(Object obj) throws SocialSiteException {
    EntityManager em = getEntityManager(true);
    if (!em.contains(obj)) {
        // If entity is not managed we can assume it is new
        em.persist(obj);
    }
    return obj;
}

From source file:fr.xebia.demo.wicket.blog.service.GenericService.java

public void save(T entity) throws ServiceException {
    try {/*  w w  w.  ja  v  a  2 s  .  c om*/
        EntityManager entityManager = currentEntityManager();
        entityManager.getTransaction().begin();

        entityManager.persist(entity);

        commitTransaction();
    } catch (PersistenceException e) {
        logger.error(e.getCause(), e);
        rollbackTransaction();
        throw new ServiceException("Can't update object", e);
    } finally {
        closeEntityManager();
    }
}

From source file:com.yahoo.sql4d.indexeragent.meta.DBHandler.java

private void addUpdateDeleteEntity(Object entity, Action action) {
    EntityManager em = getEntityManager();
    try {//from  w w  w  .  j av  a 2s . c  om
        em.getTransaction().begin();
        switch (action) {
        case ADD:
            em.persist(entity);
            break;
        case UPDATE:
            em.merge(entity);
            break;
        case DELETE:
            em.remove(entity);
            break;
        }
    } catch (RuntimeException e) {
        log.error("Something wrong persisting/merging/removing entity {}, so rolling back . Exception is {}",
                entity, ExceptionUtils.getStackTrace(e));
        em.getTransaction().rollback();
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().commit();
        }
        em.close();
    }
}

From source file:com.epam.training.taranovski.web.project.repository.implementation.VacancyRepositoryImplementation.java

@Override
public boolean create(Vacancy vacancy) {
    EntityManager em = entityManagerFactory.createEntityManager();
    boolean success = true;
    try {/*from   w w w . j av  a 2s  .c o  m*/
        em.getTransaction().begin();
        em.persist(vacancy);
        em.getTransaction().commit();
        success = true;
    } catch (RuntimeException e) {
        Logger.getLogger(VacancyRepositoryImplementation.class.getName()).info(e);
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
            success = false;
        }
        em.close();
    }

    return success;
}

From source file:org.spc.ofp.tubs.domain.common.CommonRepository.java

public boolean saveImportStatus(final ImportStatus status) {
    boolean success = false;
    final EntityManager mgr = emf.createEntityManager();
    final EntityTransaction xa = mgr.getTransaction();
    xa.begin();//  w  w w.  ja va  2  s  . c om
    try {
        if (status.getId() > 0L) {
            mgr.merge(status);
        } else {
            mgr.persist(status);
        }
        xa.commit();
        success = true;
    } catch (Exception ignoreMe) {
        rollbackQuietly(xa);
    } finally {
        mgr.close();
    }
    return success;
}

From source file:org.rhq.enterprise.server.drift.JPADriftServerBeanTest.java

public void copyChangeSet() {
    // first create the change set that will be copied
    final JPADriftChangeSet changeSet = new JPADriftChangeSet(null, 0, COVERAGE, null);
    changeSet.setDriftHandlingMode(normal);

    final JPADrift drift1 = new JPADrift(changeSet, "drift.1", FILE_ADDED, null, driftFile1);
    final JPADrift drift2 = new JPADrift(changeSet, "drift.2", FILE_ADDED, null, driftFile2);

    final JPADriftSet driftSet = new JPADriftSet();
    driftSet.addDrift(drift1);//from  www  .  jav a 2s.c  om
    driftSet.addDrift(drift2);

    // next create the drift definition
    final DriftDefinition driftDef = new DriftDefinition(new Configuration());
    driftDef.setName("test::copyChangeSet");
    driftDef.setEnabled(true);
    driftDef.setDriftHandlingMode(normal);
    driftDef.setInterval(2400L);
    driftDef.setBasedir(new DriftDefinition.BaseDirectory(fileSystem, "/foo/bar/test"));
    driftDef.setResource(resource);

    // persist the change set and drift definition
    executeInTransaction(new TransactionCallback() {
        @Override
        public void execute() throws Exception {
            EntityManager em = getEntityManager();
            em.persist(changeSet);
            em.persist(driftDef);
            em.persist(driftSet);
            changeSet.setInitialDriftSet(driftSet);
            em.merge(changeSet);
        }
    });

    jpaDriftServer.copyChangeSet(getOverlord(), changeSet.getId(), driftDef.getId(), resource.getId());

    // verify that the change set was created for the definition
    JPADriftChangeSetCriteria criteria = new JPADriftChangeSetCriteria();
    criteria.addFilterDriftDefinitionId(driftDef.getId());
    criteria.addFilterCategory(COVERAGE);

    PageList<JPADriftChangeSet> changeSets = jpaDriftServer.findDriftChangeSetsByCriteria(getOverlord(),
            criteria);

    assertEquals("Expected to get back one change set", 1, changeSets.size());

    JPADriftChangeSet newChangeSet = changeSets.get(0);
    Set<JPADrift> expectedDrifts = new HashSet<JPADrift>(asList(drift1, drift2));
    Set<JPADrift> actualDrifts = newChangeSet.getDrifts();

    AssertUtils.assertCollectionMatchesNoOrder("The change set drifts were not copied correctly",
            expectedDrifts, actualDrifts, "changeSet", "newDriftFile");
}

From source file:ejb.bean.UsuarioDAOJPAImplBean.java

/**Mtodo para a criao de usurio
 * @author Richel Sensineli\/*w  w  w . j ava  2 s  .c om*/
 * @param nome String - Nome do usurio
 * @param sobrenome String - Nome do usurio
 * @return Usuario usuario - Objeto Usurio
 */
@Override
public Usuario criaUsuario(final String nome, final String sobrenome) {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("UsuarioPU");
    EntityManager em = emf.createEntityManager();

    UsuarioImpl user = new UsuarioImpl();
    user.setNome(nome);
    user.setSobrenome(sobrenome);

    em.getTransaction().begin();
    try {
        em.persist(user);
        em.getTransaction().commit();
    } catch (Exception e) {
        e.printStackTrace();
        em.getTransaction().rollback();
    }

    em.clear();
    em.close();
    emf.close();

    return user;
}

From source file:org.apache.openjpa.jdbc.meta.strats.AbstractLobTest.java

public void testLifeCycleInsertFlushModify() {
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();/*w ww  .  j a v a 2s .  co m*/
    LobEntity le = newLobEntity(createLobData(), 1);
    em.persist(le);
    em.flush();
    changeStream(le, createLobData2());
    em.getTransaction().commit();
    em.close();
}