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:com.sixsq.slipstream.persistence.Run.java

public static Run updateRunState(Run run, States newState, boolean retry) {
    EntityManager em = PersistenceUtil.createEntityManager();
    EntityTransaction transaction = em.getTransaction();
    transaction.begin();//w  w  w .ja  va2  s.  com
    try {
        run = Run.loadFromUuid(run.getUuid(), em);
        run.setState(newState);
        transaction.commit();
        em.close();
    } catch (Exception e) {
        String error = "error setting run state: " + newState;
        if (retry) {
            Logger.getLogger("restlet").warning(error + " retrying...");
        } else {
            Logger.getLogger("restlet").severe(error);
        }
        // retry once
        if (retry) {
            updateRunState(run, newState, false);
        }
    }
    return run;
}

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

public List<DataSource> getAllDataSources() {
    EntityManager em = getEntityManager();
    try {/* www .  j  av a2s .c o  m*/
        return em.createQuery("SELECT ds FROM DataSource ds", DataSource.class).getResultList();
    } finally {
        em.close();
    }
}

From source file:com.sixsq.slipstream.persistence.Run.java

@SuppressWarnings("unchecked")
public static List<Run> listOldTransient(User user, int timeout)
        throws ConfigurationException, ValidationException {
    if (timeout <= 0) {
        timeout = DEFAULT_TIMEOUT;
    }/*from w  ww .  j  a va  2 s. c  o m*/
    Calendar calendar = Calendar.getInstance();
    calendar.add(Calendar.MINUTE, -timeout);
    Date back = calendar.getTime();

    EntityManager em = PersistenceUtil.createEntityManager();
    Query q = createNamedQuery(em, "oldInStatesRuns");
    q.setParameter("user", user.getName());
    q.setParameter("before", back);
    q.setParameter("states", States.transition());
    List<Run> runs = q.getResultList();
    em.close();
    return runs;
}

From source file:edu.kit.dama.mdm.dataorganization.impl.jpa.DataOrganizerImpl.java

@Override
public NodeId getRootNodeId(DigitalObjectId digitalObjectId, String viewName) {
    PersistenceFacade pf = PersistenceFacade.getInstance();
    EntityManager em = pf.getEntityManagerFactory().createEntityManager();
    DataOrganizationNode root = pf.getRootNode(digitalObjectId, em, viewName);
    em.close();
    return root.getTransientNodeId();
}

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

protected void closeEntityManager() throws PersistenceException {
    EntityManager entityManager = entityManagerCache.get();
    entityManagerCache.set(null);//from  ww  w  . ja  v  a 2s  .  co  m
    if (entityManager != null) {
        entityManager.close();
    }
}

From source file:com.soen.smbank.dao.ObjectDao.java

public ArrayList getAllObjects(Class<T> ClassName, String tableName) {
    EntityManager em = this.getEMF().createEntityManager();
    ArrayList entities = null;//from  ww  w.  j a  v a2  s. c  o  m
    try {
        entities = (ArrayList) em.createQuery("SELECT tb FROM " + tableName + " tb ", ClassName)
                .getResultList();

        return entities;
    } finally {
        em.close();
    }
}

From source file:io.symcpe.hendrix.api.ApplicationManager.java

public void init(AppConfig appConfiguration) {
    config = new Properties(System.getProperties());
    if (System.getenv(PROP_CONFIG_FILE) != null) {
        try {/* w  w w  . j av a2 s.c o  m*/
            config.load(new FileInputStream(System.getenv(PROP_CONFIG_FILE)));
        } catch (IOException e) {
            throw new RuntimeException("Configuration file not loaded", e);
        }
    } else if (System.getProperty(PROP_CONFIG_FILE) != null) {
        try {
            config.load(new FileInputStream(System.getProperty(PROP_CONFIG_FILE)));
        } catch (IOException e) {
            throw new RuntimeException("Configuration file not loaded", e);
        }
    } else {
        try {
            config.load(
                    ApplicationManager.class.getClassLoader().getResourceAsStream("default-config.properties"));
        } catch (IOException e) {
            throw new RuntimeException("Default configuration file not loaded", e);
        }
    }
    try {
        Utils.createDatabase(config.getProperty(JAVAX_PERSISTENCE_JDBC_URL),
                config.getProperty(JAVAX_PERSISTENCE_JDBC_DB, "hendrix"),
                config.getProperty(JAVAX_PERSISTENCE_JDBC_USER),
                config.getProperty(JAVAX_PERSISTENCE_JDBC_PASSWORD),
                config.getProperty(JAVAX_PERSISTENCE_JDBC_DRIVER));
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    config.setProperty(JAVAX_PERSISTENCE_JDBC_URL, config.getProperty(JAVAX_PERSISTENCE_JDBC_URL)
            + config.getProperty(JAVAX_PERSISTENCE_JDBC_DB, "hendrix"));
    factory = Persistence.createEntityManagerFactory("hendrix", config);
    EntityManager em = factory.createEntityManager();
    System.out.println("Rules stats" + em.createNamedQuery("Rules.stats").getResultList());
    em.close();
    if (!LOCAL) {
        initKafkaConnection();
    }
}

From source file:org.spc.ofp.tubs.domain.purseseine.TripRepository.java

public void update(final PurseSeineTrip trip) {
    final EntityManager mgr = emf.createEntityManager();
    final EntityTransaction xa = mgr.getTransaction();
    try {//www . j av a  2  s. c om
        xa.begin();
        mgr.merge(trip);
        xa.commit();
    } catch (Exception ex) {
        if (xa.isActive()) {
            xa.rollback();
        }
    } finally {
        mgr.close();
    }
}

From source file:cz.fi.muni.pa165.daoImpl.TroopDAOImpl.java

@Override
public List<Troop> findTroopByName(String name) throws IllegalArgumentException {
    List<Troop> troop;//  w  ww .  ja v  a  2 s. c o m
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    troop = em.createQuery("SELECT t FROM Troop t WHERE t.name = :name").setParameter("name", name)
            .getResultList();
    //query.setParameter("name", name);
    em.getTransaction().commit();
    em.close();
    return troop;
}

From source file:ejb.bean.UsuarioDAOJPAImplBean.java

/**Mtodo para realizar a busca de usurio pelo ID.
 * @author Richel Sensineli/*w  w w.j a  v a 2s. c o  m*/
 * @param id int - ID do usurio
 * @return Usuario usuario - Objeto Usuario
 */
@Override
public Usuario buscaUsuarioPorId(final int id) throws UsuarioNaoEncontradoException {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("UsuarioPU");
    EntityManager em = emf.createEntityManager();
    Usuario u = em.find(UsuarioImpl.class, id);
    if (u == null) {
        throw new UsuarioNaoEncontradoException("usuario no encontrado");
    }
    em.clear();
    em.close();
    emf.close();
    return u;
}