Example usage for org.hibernate Session refresh

Introduction

In this page you can find the example usage for org.hibernate Session refresh.

Prototype

void refresh(Object object);

Source Link

Document

Re-read the state of the given instance from the underlying database.

Usage

From source file:dao.AlbumsDAO.java

License:Open Source License

public Set<Album> getAlbumsByOwner(User owner) {
    Set<Album> res;/*from   ww w . ja va 2s. c  o m*/
    Session s = HibernateUtil.getSessionFactory().getCurrentSession();
    s.beginTransaction();

    s.refresh(owner);
    res = owner.getAlbums();
    for (Album a : res) {
        a.getName();
    }

    s.getTransaction().commit();
    HibernateUtil.getSessionFactory().close();
    return res;
}

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From source file:DAO.GenericDaoJpaImpl.java

@Override
public T create(T t) throws ConstraintViolationException {
    Session session = em.unwrap(Session.class);

    try {/*www. j  a v a2 s. com*/
        em.getTransaction().begin();
        em.persist(t);
        em.getTransaction().commit();
    } catch (ConstraintViolationException ex) {
        throw ex;
    } finally {
        if (em.getTransaction().isActive()) {
            em.getTransaction().rollback();
        }
    }
    session.refresh(t);
    return t;
}

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From source file:de.sub.goobi.helper.RefreshObject.java

License:Open Source License

/**
 * Refresh process./*  ww w. jav a  2  s.  c o  m*/
 *
 * @param processID
 *            int
 */
public static void refreshProcess(int processID) {
    if (logger.isDebugEnabled()) {
        logger.debug("refreshing process with id " + processID);
    }
    try {
        Session session = HibernateUtilOld.getSessionFactory().openSession();
        if (session != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("session is connected: " + session.isConnected());
                logger.debug("session is open: " + session.isOpen());
            }
        } else {
            logger.debug("session is null");
        }
        if ((session == null) || (!session.isOpen()) || (!session.isConnected())) {
            logger.debug("found no open session, don't refresh the process");
            if (session != null) {
                session.close();
                logger.debug("closed session");
            }
            return;
        }

        logger.debug("created a new session");
        Process o = (Process) session.get(Process.class, Integer.valueOf(processID));
        logger.debug("loaded process");
        session.refresh(o);
        logger.debug("refreshed process");
        session.close();
        logger.debug("closed session");
    } catch (Throwable e) {
        logger.error("cannot refresh process with id " + processID);
    }
}

---

From source file:de.sub.goobi.helper.RefreshObject.java

License:Open Source License

/**
 * Refresh process - GUI./* ww  w  .  j  a v a 2s .c o  m*/
 *
 * @param processID
 *            int
 */
public static void refreshProcess_GUI(int processID) {
    if (logger.isDebugEnabled()) {
        logger.debug("refreshing process with id " + processID);
    }
    Session session = null;
    boolean needsClose = false;
    try {
        session = Helper.getHibernateSession();
        if (session == null || !session.isOpen() || !session.isConnected()) {
            logger.debug("session is closed, creating a new session");
            HibernateUtilOld.rebuildSessionFactory();
            session = HibernateUtilOld.getSessionFactory().openSession();
            needsClose = true;
        }
        Process o = (Process) session.get(Process.class, processID);
        logger.debug("loaded process");
        session.refresh(o);
        logger.debug("refreshed process");
        if (needsClose) {
            session.close();
            logger.debug("closed session");
        }
    } catch (Throwable e) {
        logger.error("cannot refresh process with id " + processID);
        if (needsClose) {
            session.close();
        }
    }
}

---

From source file:de.sub.goobi.helper.RefreshObject.java

License:Open Source License

/**
 * Stop refresh./* www .  j  a  v a 2  s  . c om*/
 *
 * @param stepID
 *            task id
 */
public static void refreshStep(int stepID) {
    try {

        Session session = HibernateUtilOld.getSessionFactory().openSession();
        Task o = (Task) session.get(Task.class, stepID);
        session.refresh(o);
        session.close();
    } catch (Exception e) {
        logger.error("cannot refresh step with id " + stepID);
    }

}

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From source file:de.uniwue.info6.database.map.daos.DaoTools.java

License:Apache License

/**
 *
 *
 * @param obj/*from www.  j  a v  a  2 s . c  o m*/
 */
protected synchronized void refresh(Object obj, Session session) {
    if (obj != null) {
        try {
            session.refresh(obj);
            session.update(obj);
        } catch (Exception e) {
            log.error("custom hibernate operation failed", e);
        }
    }
}

---

From source file:de.uzk.hki.da.action.ActionFactory.java

License:Open Source License

public void init() {
    setPreservationSystem(new PreservationSystem());
    getPreservationSystem().setId(1);//from w  w  w  .j  a va  2  s.c o m

    Session session = HibernateUtil.openSession();
    session.beginTransaction();
    session.refresh(preservationSystem);
    session.refresh(localNode);

    // Prevent lazy initialization issues. "Simulate" eager fetching in case 
    // it does not work with hibernate or jpa annotations
    Hibernate.initialize(getPreservationSystem().getConversion_policies());
    Hibernate.initialize(localNode.getCooperatingNodes());

    try {
        for (Node cn : localNode.getCooperatingNodes())
            cn.getId();
        //         for (Copy cp:localNode.getCopies());
    } catch (Exception e) {
        throw new RuntimeException("Unable to load cooperating nodes");
    }

    for (SubformatIdentificationStrategyPuidMapping sfiP : getSecondStageScanPolicies(session)) {
        fileFormatFacade.registerSubformatIdentificationStrategyPuidMapping(
                sfiP.getSubformatIdentificationStrategyName(), sfiP.getFormatPuid());
    }
    session.close();

    List<String> availableJobTypes = actionRegistry.getAvailableJobTypes();
    for (String actionName : availableJobTypes) {
        AbstractAction action = (AbstractAction) context.getBean(actionName);
        getActionStartStates().put(actionName, action.getStartStatus());
    }
}

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From source file:de.uzk.hki.da.action.QueueConnector.java

License:Open Source License

/**
 * XXX locking synchronized, against itself and against get object need audit
 * //from   www  .j  a v  a  2  s .co m
 * IMPORTANT NOTE: Fetch objects from queue opens a new session.
 *
 * @param status the status
 * @param workingStatus typically a numerical value with three digits, stored as string.
 * working status third digit typically is 2 by convention.
 * @param node the node
 * @return the job
 * @author Daniel M. de Oliveira
 */
@SuppressWarnings({ "unchecked", "unused" })
public Job fetchJobFromQueue(String status, String workingStatus, Node node, PreservationSystem pSystem) {
    Session session = HibernateUtil.openSession();
    session.beginTransaction();
    logger.trace("Fetch job for node name " + node.getName());
    List<Job> joblist = null;
    try {
        session.refresh(node);
        session.refresh(pSystem);

        joblist = session.createQuery("SELECT j FROM Job j LEFT JOIN j.obj as o where j.status=?1 and "
                + "j.responsibleNodeName=?2 and o.object_state IN (100, 50, 40) and o.orig_name!=?3 order by j.date_modified asc ")
                .setParameter("1", status).setParameter("2", node.getName())
                .setParameter("3", "integrationTest").setCacheable(false).setMaxResults(1).list();

        if ((joblist == null) || (joblist.isEmpty())) {
            logger.trace("no job found for status {}.", status);
            session.close();
            return null;
        }

        Job job = joblist.get(0);

        // To circumvent lazy initialization issues
        for (ConversionInstruction ci : job.getConversion_instructions()) {
        }
        for (Job j : job.getChildren()) {
        }
        for (Package p : job.getObject().getPackages()) {
            for (DAFile f : p.getFiles()) {
            }
            for (Event e : p.getEvents()) {
            }
        }
        // -
        logger.debug("fetched job with id {} and status {}", job.getId(), job.getStatus());

        job.setStatus(workingStatus);
        job.setDate_modified(String.valueOf(new Date().getTime() / 1000L));
        session.merge(job);
        session.getTransaction().commit();
        session.close();

        logger.debug("fetched job with id {} and set status to {}", job.getId(), job.getStatus());

    } catch (Exception e) {
        session.close();
        logger.error("Caught error in fetchJobFromQueue");

        throw new RuntimeException(e.getMessage(), e);
    }
    return joblist.get(0);
}

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From source file:de.uzk.hki.da.at.AcceptanceTest.java

License:Open Source License

private static void instantiateNode() {

    AbstractApplicationContext context = new FileSystemXmlApplicationContext(CONF_BEANS_XML);
    localNode = (Node) context.getBean("localNode");

    Session session = HibernateUtil.openSession();
    session.beginTransaction();//from   w  ww  .  ja  va 2 s.  c  om
    session.refresh(localNode);
    session.close();

    context.close();
}

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From source file:de.uzk.hki.da.at.ATIntegrityCheck.java

License:Open Source License

private void setChecksumSecondaryCopy(Object object, String checksum, int minusDaysInPast) {
    Session session = HibernateUtil.openSession();
    session.beginTransaction();//from w w w.jav a2s  .c  om
    // replace proxies by real objects
    session.refresh(object);
    for (Copy rec : object.getLatestPackage().getCopies())
        rec.getId();

    // Simulate checksumming done by foreign nodes
    Copy copy = object.getLatestPackage().getCopies().iterator().next();

    copy.setChecksum(checksum);

    // set object to older creationdate than one day
    Calendar now = Calendar.getInstance();
    now.add(Calendar.DAY_OF_YEAR, minusDaysInPast);
    copy.setChecksumDate(now.getTime());

    session.update(copy);
    session.getTransaction().commit();
    session.close();
}

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