Example usage for javax.persistence EntityManager isOpen

List of usage examples for javax.persistence EntityManager isOpen

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Introduction

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

Prototype

public boolean isOpen();

Source Link

Document

Determine whether the entity manager is open.

Usage

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

@Override
public void rollbackTransaction() {
    if (isTransactionActive()) {
        EntityManager entityManager = doGetCurrentPersistenceManager(false);

        entityManager.getTransaction().rollback();

        if (entityManager.isOpen()) {
            entityManager.close();//from ww  w  .  j  ava 2 s  .  co  m
        }
    }
}

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();
        }//from w w w  .j  a v  a2s . c om

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

        txState.setEntityManager(currentEntityManager);
    }

    return currentEntityManager;
}

From source file:com.abiquo.server.core.enterprise.EnterpriseRep.java

public EnterpriseRep(final EntityManager entityManager) {
    assert entityManager != null;
    assert entityManager.isOpen();

    this.entityManager = entityManager;
    this.enterpriseDAO = new EnterpriseDAO(entityManager);
    userDAO = new UserDAO(entityManager);
    roleDAO = new RoleDAO(entityManager);
    ottSessionDAO = new OneTimeTokenSessionDAO(entityManager);
    privilegeDAO = new PrivilegeDAO(entityManager);
    roleLdapDAO = new RoleLdapDAO(entityManager);
}

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

@Override
public void remove() {

    if (taskAction != null) {
        Log log = taskAction.getLog();/* www . j  av  a  2 s  .  c  o  m*/
        log.debug("Removing task resource: " + getID());
        AbstractTask tsk = taskAction.getModel();
        boolean cleanUp = false;
        if (tsk != null) {
            if (!tsk.isDone()) {
                // task is still running cancel it and cleanup entity manager
                taskAction.setCancelled(true);
                log.debug("cancel task " + tsk.getWid());
                cleanUp = true;
                if (future != null) {
                    future.cancel(true);
                    try {
                        // give cancel some time
                        Thread.sleep(2000L);
                    } catch (InterruptedException e) {
                        logger.debug(e);
                    }
                }

                try {
                    EntityManager em = taskAction.getEntityManager();
                    if (em != null && em.isOpen()) {
                        try {
                            EntityTransaction tx = em.getTransaction();
                            if (tx.isActive())
                                tx.rollback();
                        } finally {
                            em.close();
                        }
                    }
                } catch (Exception e) {
                    // don't bother with exceptions
                    log.debug("Exception on task future cancel: " + e.toString(), e);
                }
            }

            EntityManager em = home.getEntityManagerFactory().createEntityManager();
            TxFrame tx = new TxFrame(em);
            // cleanup if necessary
            try {
                try {
                    Task t = em.find(Task.class, tsk.getId());
                    t.setPostMortem(true);
                    tx.commit();

                    if (cleanUp) {
                        log.debug("Triggering task cleanup");
                        try {
                            taskAction.setOwnEntityManager(em);
                            taskAction.cleanUpOnFail(t);
                        } catch (Exception e) {
                            log.debug("Exception on cleanup: " + e.toString());
                        }
                    }

                    // remove task from db
                    log.debug("Removing task: " + t.getId());
                    tx.begin();
                    em.remove(t);
                    tx.commit();
                } finally {
                    tx.finish();
                    if (em.isOpen())
                        em.close();
                }
            } catch (Exception e) {
                log.debug("Exception on task resource removal: " + e.toString());
                e.printStackTrace();
            }
        }
    }
}

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

private void resumeTasks() throws Exception {

    logger.debug("Checking for aborted tasks.");
    EntityManager em = null;
    List<String> rs = null;
    try {/*  w  w  w.j  av a  2  s  .c  o m*/
        em = system.getEntityManagerFactory().createEntityManager();
        Query q = em.createNamedQuery("unfinishedTaskIds");
        rs = q.getResultList();
        if (rs.size() == 0) {
            logger.debug("No tasks found :-)");
            return;
        }
    } finally {
        if (em != null && em.isOpen())
            em.close();
    }

    logger.debug("Try to resume " + rs.size() + " tasks");
    for (String id : rs) {
        logger.debug("Resuming " + id);
        Resource k = find(getKeyForId(id));
    }
}

From source file:de.zib.gndms.infra.tests.FileTransferActionTest.java

@BeforeClass(groups = { "net", "db", "sys", "action", "task" })
public void beforeClass() throws ServerException, IOException, ClientException {

    PropertyConfigurator.configure(logFileConfig);
    runDatabase();//from  w  ww  . j a  v a 2 s. c  om
    transferData.initialize();

    // create orq
    FileTransferORQ orq = new FileTransferORQ();
    orq.setSourceURI(transferData.getSourceURI());
    orq.setTargetURI(transferData.getDestinationURI());
    orq.setFileMap(transferData.getFileMap());

    // create orq-calc
    FileTransferORQCalculator calc = new FileTransferORQCalculator();
    calc.setORQArguments(orq);
    // calc.setNetAux( getSys().getNetAux() );

    TransientContract con = calc.createOffer();
    PersistentContract pcon = con.acceptAt(new DateTime());

    // creating offertype
    OfferType ot;
    EntityManager em = null;
    try {
        em = getSys().getEntityManagerFactory().createEntityManager();
        ot = em.find(OfferType.class, "http://gndms.zib.de/ORQTypes/FileTransfer");
        if (ot == null) {
            ot = createFTOfferType();
            em.getTransaction().begin();
            em.persist(ot);
            em.getTransaction().commit();
        }

    } finally {
        if (em != null && em.isOpen())
            em.close();
        ot = createFTOfferType();
    }

    // create task
    task = new Task();
    task.setId(getSys().nextUUID());
    task.setDescription(orq.getDescription());
    task.setTerminationTime(pcon.getCurrentTerminationTime());
    task.setOfferType(ot);
    task.setOrq(orq);
    task.setContract(pcon);
    Calendar tt = pcon.getDeadline();
    tt.add(Calendar.YEAR, 10);
    task.setTerminationTime(tt);
}

From source file:de.zib.gndms.infra.system.GNDMSystemDirectory.java

@SuppressWarnings({ "MethodWithTooExceptionsDeclared", "OverloadedMethodsWithSameNumberOfParameters" })
public TaskAction newTaskAction(final @NotNull EntityManagerFactory emf, final @NotNull String offerTypeKey)
        throws ClassNotFoundException, IllegalAccessException, InstantiationException, NoSuchMethodException,
        InvocationTargetException {
    EntityManager em = emf.createEntityManager();
    try {//from   w  w w.ja  v a2s .  com
        return newTaskAction(em, offerTypeKey);
    } finally {
        if (!em.isOpen())
            em.close();
    }
}

From source file:de.zib.gndms.infra.system.GNDMSystemDirectory.java

/**
 * Creates a new EntityManager using <tt>emf</tt>.
 *
 * <p>Calls {@link #loadConfigletStates(javax.persistence.EntityManager)} and
 * {@link #createOrUpdateConfiglets(de.zib.gndms.model.common.ConfigletState[])} to load all configlets managed by
 * this EntityManager and update the {@link #configlets} map.
 * Old Configlets will be removed and shutted down using {@link #shutdownConfiglets()} 
 *
 * @param emf the factory the EntityManager will be created of
 */// w  w  w.j  av a2  s  .  co  m
public synchronized void reloadConfiglets(final EntityManagerFactory emf) {
    ConfigletState[] states;
    EntityManager em = emf.createEntityManager();
    try {
        states = loadConfigletStates(em);
        createOrUpdateConfiglets(states);
        shutdownOldConfiglets(em);
    } finally {
        if (em.isOpen())
            em.close();
    }
}

From source file:de.zib.gndms.infra.tests.FileTransferActionTest.java

@Test(groups = { "net", "db", "sys", "action", "task" })
public void testIt() throws ResourceException, ExecutionException, InterruptedException {

    EntityManager em = null;
    try {/*from  w w  w.  ja v a2 s  .  co m*/
        em = getSys().getEntityManagerFactory().createEntityManager();
        em.getTransaction().begin();
        em.persist(task);
        em.getTransaction().commit();
        FileTransferTaskAction action = new FileTransferTaskAction(em, task);
        Future<AbstractTask> serializableFuture = getSys().submitAction(action, log);
        assert serializableFuture.get().getState().equals(TaskState.FINISHED);
        FileTransferResult ftr = (FileTransferResult) task.getData();
        for (String s : Arrays.asList(ftr.getFiles()))
            System.out.println(s);

    } finally {
        if (em != null && em.isOpen())
            em.close();
    }
}

From source file:com.abiquo.server.core.infrastructure.InfrastructureRep.java

public InfrastructureRep(final EntityManager entityManager) {
    assert entityManager != null;
    assert entityManager.isOpen();

    this.entityManager = entityManager;

    this.dao = new DatacenterDAO(entityManager);
    this.rackDao = new RackDAO(entityManager);
    this.ucsRackDao = new UcsRackDAO(entityManager);
    this.machineDao = new MachineDAO(entityManager);
    this.hypervisorDao = new HypervisorDAO(entityManager);
    this.datastoreDao = new DatastoreDAO(entityManager);
    this.remoteServiceDao = new RemoteServiceDAO(entityManager);
    this.repositoryDao = new RepositoryDAO(entityManager);
    this.networkDao = new NetworkDAO(entityManager);
    this.datacenterLimitDao = new DatacenterLimitsDAO(entityManager);
    this.storageRep = new StorageRep(entityManager);
    this.vlanDao = new VLANNetworkDAO(entityManager);
    this.ipPoolDao = new IpPoolManagementDAO(entityManager);
    this.dhcpOptionDAO = new DhcpOptionDAO(entityManager);
    this.virtualMachineDao = new VirtualMachineDAO(entityManager);
}