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.enioka.jqm.tools.Loader.java

@Override
public Long getRunTimeSeconds() {
    if (this.job.getExecutionDate() == null) {
        EntityManager em2 = Helpers.getNewEm();
        this.job.setExecutionDate(em2.find(JobInstance.class, this.job.getId()).getExecutionDate());
        em2.close();
    }/* w w w  . j  a  va  2 s  .  co  m*/
    if (this.job.getExecutionDate() == null) {
        return 0L;
    }
    return (Calendar.getInstance().getTimeInMillis() - this.job.getExecutionDate().getTimeInMillis()) / 1000;
}

From source file:com.enioka.jqm.tools.JobManagerHandler.java

/**
 * Create a {@link com.enioka.jqm.jpamodel.Message} with the given message. The {@link com.enioka.jqm.jpamodel.History} to link to is
 * deduced from the context.//from w ww .j a v  a2 s  . co  m
 * 
 * @param msg
 * @throws JqmKillException
 */
private void sendMsg(String msg) {
    EntityManager em = Helpers.getNewEm();
    try {
        em.getTransaction().begin();
        Helpers.createMessage(msg, ji, em);
        em.getTransaction().commit();
    } finally {
        em.close();
    }
}

From source file:cz.fi.muni.pa165.dto.PrintedBookDAOTest.java

@Test
public void testFindPrintedBooksByLoan() {
    EntityManager em = emf.createEntityManager();
    PrintedBookDAOImpl pbDAO = new PrintedBookDAOImpl();
    pbDAO.setManager(em);/* ww  w .  j  av a  2s . c  o m*/
    Book b = new Book();
    b.setIdBook(1);

    Loan l = new Loan();
    l.setIdLoan(1);

    List<PrintedBook> li = pbDAO.findPrintedBooksByLoan(b, l);
    em.close();
    assertEquals(1, li.size());
}

From source file:de.zib.gndms.GORFX.context.service.globus.resource.TaskResource.java

/**
 * Loads a task state form the data base and executes the task, useing executeTask.
 *
 * @param id The id of the task to load.
 * @return The task object./* ww w  .j a  va2s  .  c  om*/
 * @throws ResourceException If this resource already go an task object.
 */
@NotNull
public Task loadModelById(@NotNull String id) throws ResourceException {

    logger.debug("task resource for: " + id);

    if (taskAction != null)
        throw new ResourceException("task action already loaded");

    EntityManager em = home.getEntityManagerFactory().createEntityManager();
    Task tsk = (Task) mH.loadModelById(em, id);

    if (tsk.isPostMortem()) {
        em.close();
        throw new NoSuchResourceException();
    }

    byte[] bcred = tsk.getSerializedCredential();
    GlobusCredential gcred = null;
    if (bcred.length > 0)
        gcred = DelegationAux.fromByteArray(bcred);

    try {
        taskAction = getResourceHome().getSystem().getInstanceDir().newTaskAction(em,
                tsk.getOfferType().getOfferTypeKey());
        taskAction.initFromModel(em, tsk);
        taskAction.setClosingEntityManagerOnCleanup(true);
        taskAction.setCredentialProvider(
                new GlobusCredentialProviderImpl(((ORQTaskAction) taskAction).getOrq().getOfferType(), gcred));
    } catch (IllegalAccessException e) {
        throw new ResourceException(e);
    } catch (InstantiationException e) {
        throw new ResourceException(e);
    } catch (ClassNotFoundException e) {
        throw new ResourceException(e);
    }
    executeTask();
    return tsk;
}

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();//from w w  w.j a  v a 2  s . com
    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:com.yahoo.sql4d.indexeragent.meta.DBHandler.java

public DataSource getDataSource(String tableName) {
    EntityManager em = getEntityManager();
    try {/*  www . jav a2s. co  m*/
        List<DataSource> resultList = em
                .createQuery("SELECT ds FROM DataSource ds WHERE ds.name = :name", DataSource.class)
                .setParameter("name", tableName).getResultList();
        return resultList.isEmpty() ? null : resultList.get(0);
    } finally {
        em.close();
    }
}

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

@Override
public void removeTroop(Troop troop) throws IllegalArgumentException {
    if (troop == null) {
        throw new IllegalArgumentException("Troop can't be null.");
    }//from   w ww .  j  a  va  2 s. co m
    if (troop.getId() == null) {
        throw new IllegalArgumentException("Troop is not present in DB.");
    }
    EntityManager em = emf.createEntityManager();
    em.getTransaction().begin();
    Troop present = em.find(Troop.class, troop.getId());
    em.getTransaction().commit();

    if (present == null) {
        throw new IllegalArgumentException("Troop is not present in DB.");
    } else {
        em.getTransaction().begin();
        em.remove(em.contains(troop) ? troop : em.merge(troop));
        em.getTransaction().commit();
    }
    em.close();
}

From source file:com.thruzero.domain.jpa.transaction.JpaDatabaseTransactionMgr.java

protected EntityManager doGetCurrentPersistenceManager(boolean autoCreateTransaction) {
    JpaTransactionState txState = localTransactionState.get();
    EntityManager currentEntityManager = txState.getEntityManager();

    if (autoCreateTransaction && !isTransactionActive()) {
        if (currentEntityManager != null && currentEntityManager.isOpen()) {
            transactionMgrLogHelper.logEntityManagerNotClosedWarning();
            currentEntityManager.close();
        }/* w w w.  j av  a  2 s  .com*/

        // begins a transaction if not currently active
        currentEntityManager = createEntityManager();
        if (!isTransactionActive()) {
            currentEntityManager.getTransaction().begin();
        }

        txState.setEntityManager(currentEntityManager);
    }

    return currentEntityManager;
}

From source file:com.pocketgorilla.stripesem.TransactionFilter.java

private void doAfter() {
    EntityManager em = provider.getEntityManager(false);
    if ((em != null) && (em.isOpen())) {
        EntityTransaction tx = em.getTransaction();
        if (tx.isActive()) {
            if (tx.getRollbackOnly()) {
                tx.rollback();//  w ww  . j  a va 2s .  c o  m
                log.info("Rolled back persistence transaction.");
            } else {
                tx.commit();
                log.debug("Committed persistence transaction.");
            }
        }
        em.close();
        provider.removeEntityManager();
    }
}

From source file:entity.files.SYSFilesTools.java

public static boolean deleteFile(SYSFiles sysfile) {
    boolean success = false;
    EntityManager em = OPDE.createEM();

    try {/*from  ww w. j ava  2  s. co  m*/
        em.getTransaction().begin();
        SYSFiles mySYSFile = em.merge(sysfile);
        em.remove(mySYSFile);
        em.getTransaction().commit();
        success = true;
    } catch (OptimisticLockException ole) {
        OPDE.warn(ole);
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        if (ole.getMessage().indexOf("Class> entity.info.Resident") > -1) {
            OPDE.getMainframe().emptyFrame();
            OPDE.getMainframe().afterLogin();
        }

        OPDE.getDisplayManager().addSubMessage(DisplayManager.getLockMessage());
        success = false;
    } catch (Exception ex) {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
        success = false;
    } finally {
        em.close();
    }

    if (success) {
        try {
            FileTransferClient ftp = getFTPClient();
            ftp.deleteFile(sysfile.getRemoteFilename());
            ftp.disconnect();
            OPDE.info("DELETING FILE FROM FTPSERVER: " + sysfile.getFilename() + " (" + sysfile.getMd5() + ")");
        } catch (Exception e) {
            OPDE.error(e);
            success = false;
        }
    }

    return success;
}