Example usage for org.hibernate Session clear

Introduction

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

Prototype

void clear();

Source Link

Document

Completely clear the session.

Usage

From source file:br.ufg.calendario.dao.InteressadoDao.java

@Transactional
public boolean excluir(Interessado interessado) {
    Session session = this.sessionFactory.getCurrentSession();
    try {//from   w  w  w.ja v a2 s .com
        session.delete(interessado);
        return true;
    } catch (HibernateException e) {
        System.out.println(e.getMessage());
        session.clear();
        return false;
    }
}

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From source file:br.ufg.calendario.dao.UsuarioDao.java

@Transactional
public boolean adicionar(Usuario usuario) {
    Session session = sessionFactory.getCurrentSession();
    try {// w ww . j av a 2  s . c o m
        session.clear();
        session.save(usuario);
        return true;
    } catch (HibernateException e) {
        System.out.println(e.getMessage());
        session.clear();
        return false;
    }
}

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From source file:br.ufg.calendario.dao.UsuarioDao.java

@Transactional
public boolean atualizar(Usuario usuario) {
    Session session = sessionFactory.getCurrentSession();
    try {/* w ww  . j  av  a  2  s.co  m*/
        session.clear();
        session.update(usuario);
        return true;
    } catch (HibernateException e) {
        System.out.println(e.getMessage());
        session.clear();
        return false;
    }
}

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From source file:br.ufg.calendario.dao.UsuarioDao.java

@Transactional
public boolean excluir(Usuario usuario) {
    Session session = sessionFactory.getCurrentSession();
    try {/*from   ww w.java 2s .co  m*/
        session.delete(usuario);
        return true;
    } catch (HibernateException e) {
        System.out.println(e.getMessage());
        session.clear();
        return false;
    }
}

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From source file:br.ufg.reqweb.dao.PeriodoDao.java

private void disableOthers(Session session, Periodo periodo) {
    Criteria criteria = session.createCriteria(Periodo.class);
    List<Periodo> periodoList = criteria.list();
    int counter = 0;
    for (Periodo p : periodoList) {
        if (!Objects.equals(p.getId(), periodo.getId())) {
            p.setAtivo(false);/*from ww w.j av a2s . co  m*/
            session.save(p);
        }
        if (++counter % 20 == 0) {
            session.flush();
            session.clear();
        }
    }
}

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From source file:ca.myewb.build.CreateDb.java

License:Open Source License

private static void controllerData()
        throws InstantiationException, IllegalAccessException, ClassNotFoundException {
    /* Dynamically find & add all pages (controllers)
     * This is done by directory listing... a bit of a hack,
     *  but good enough./* w  ww.j a  va 2 s  .  c  o  m*/
     *
     * This assumes the only files in controllers that aren't
     * pages are the CVS directories, and that directories are only
     * one level deep.
     */
    System.out.println("Inserting controller data");

    Session session = HibernateUtil.currentSession();

    // Clear the perms table first.
    Iterator pages = session.createQuery("FROM PageModel").list().iterator();

    while (pages.hasNext()) {
        ((PageModel) pages.next()).clearGroups();
    }

    session.flush();
    session.createQuery("DELETE PageModel").executeUpdate();
    session.flush();
    session.clear();

    // And re-populate it
    File f = new File("WEB-INF/src/ca/myewb/controllers");
    String[] dirs = f.list();

    System.out.println("Using controllers directory " + f.getAbsolutePath());

    for (String pkgName : dirs) {
        if (!pkgName.equals(".svn") && !pkgName.equals("common")) {
            String[] files = new File("WEB-INF/src/ca/myewb/controllers/" + pkgName).list();
            for (String fileName : files) {
                if (!fileName.substring(0, 1).equals(".")) {
                    File theFile = new File("WEB-INF/src/ca/myewb/controllers/" + pkgName + "/" + fileName);
                    if (!theFile.isDirectory()) {
                        fileName = fileName.substring(0, fileName.length() - 5);
                        putPageInDatabase(session, pkgName, fileName);
                    } else {
                        String[] files2 = new File(
                                "WEB-INF/src/ca/myewb/controllers/" + pkgName + "/" + fileName).list();
                        for (String fileName2 : files2) {
                            if (!fileName2.substring(0, 1).equals(".")) {
                                fileName2 = fileName2.substring(0, fileName2.length() - 5);
                                putPageInDatabase(session, pkgName, fileName + "." + fileName2);
                            }
                        }
                    }
                }
            }
        }
    }
}

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From source file:ca.myewb.frame.HibernateUtil.java

License:Open Source License

public static void closeSession() throws HibernateException {
    try {//from w  w  w.  j a  v  a 2s. co  m
        Session s = sessionHolder.get();
        sessionHolder.set(null);

        // Close the session if one exists
        if (s != null) {
            s.clear();
            s.close();
        }
    } catch (Exception ex) {
        log.fatal("Problem closing session");
        throw new HibernateException(ex);
    }
}

---

From source file:ca.ualberta.physics.cssdp.catalogue.dao.UrlDataProductDao.java

License:Apache License

public void process(UrlDataProductUpdateMap urlDataProductUpdateMap) {

    if (urlDataProductUpdateMap.getUrls().size() == 0) {
        return;/*from w  ww  . j ava 2  s .  co m*/
    }

    /*
     * The size of scannedUrlDataProducts should be <= jdbc batch size
     * configured.
     */

    // we have to resort to hibernate directly because JPA does not have
    // scrolling capability
    Session session = emp.get().unwrap(Session.class).getSessionFactory().openSession();

    Transaction tx = session.beginTransaction();

    // "in" clause limit is 2^16 on Postgresql, it might be different on
    // other dbs
    String hqlString = "from UrlDataProduct urldp where urldp.url in (:urls)";

    // the fastest way to scroll through the existing data
    Query q = session.createQuery(hqlString);
    q.setParameterList("urls", urlDataProductUpdateMap.getUrls());
    q.setCacheMode(CacheMode.IGNORE);
    ScrollableResults existingData = q.scroll(ScrollMode.FORWARD_ONLY);

    while (existingData.next()) {

        UrlDataProduct existing = (UrlDataProduct) existingData.get(0);
        UrlDataProduct updated = urlDataProductUpdateMap.get(existing.getUrl());

        if (updated != null) {

            /*
             * Only bother to update the record if it's actually changed.
             * Note that the scan timestamp is ignored in the check because
             * that isn't something the provider changed. A change can also
             * mean the url was deleted, and now it's back.
             */
            if (existing.hasChanged(updated)) {
                // existing.setDataProduct(updated.getDataProduct());
                existing.setUrl(updated.getUrl());
                existing.setStartTimestamp(updated.getStartTimestamp());
                existing.setEndTimestamp(updated.getEndTimestamp());
                existing.setScanTimestamp(updated.getScanTimestamp());
                existing.setDeleted(false);
                urlDataProductUpdateMap.remove(updated.getUrl());
                session.update(existing);
            } else {
                // remove it so it's not duplicated
                urlDataProductUpdateMap.remove(existing.getUrl());
            }

        } else {

            // if we get here it means the existing url has been removed
            // from the server, set "delete" it from the catalogue
            existing.setDeleted(true);
            existing.setScanTimestamp(new LocalDateTime());

        }

    }

    // persist the new url mappings
    for (String newUrl : urlDataProductUpdateMap.getUrls()) {
        UrlDataProduct newUrlDataProduct = urlDataProductUpdateMap.get(newUrl);
        session.save(newUrlDataProduct);
        logger.debug("saved a mapping: " + newUrlDataProduct.getUrl());
    }

    session.flush();
    session.clear();

    tx.commit();
    session.close();

}

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From source file:ch.algotrader.dao.AbstractDao.java

License:Open Source License

public boolean deleteById(final long id) {

    Session currentSession = getCurrentSession();
    Query query = currentSession// w w  w  . j av  a 2s . com
            .createQuery("delete from " + this.entityClass.getSimpleName() + " where id = :id");
    query.setParameter("id", id);
    int result = query.executeUpdate();
    if (result > 0) {

        // Need to clear the session to ensure deleted entities are not stuck in the session cache
        currentSession.clear();
        return true;
    } else {

        return false;
    }
}

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From source file:ch.systemsx.cisd.openbis.generic.server.dataaccess.db.search.DefaultFullTextIndexer.java

License:Apache License

public final <T> void doFullTextIndex(final Session hibernateSession, final Class<T> clazz)
        throws DataAccessException {
    operationLog.info(String.format("Indexing '%s'...", clazz.getSimpleName()));
    final FullTextSession fullTextSession = Search.getFullTextSession(hibernateSession);
    fullTextSession.setFlushMode(FlushMode.MANUAL);
    fullTextSession.setCacheMode(CacheMode.IGNORE);

    // we index entities in batches loading them in groups restricted by id:
    // [ ids[index], ids[min(index+batchSize, maxIndex))] )
    final Transaction transaction = hibernateSession.beginTransaction();
    final List<Long> ids = getAllIds(fullTextSession, clazz);
    final int idsSize = ids.size();
    operationLog.info(String.format("... got %d '%s' ids...", idsSize, clazz.getSimpleName()));
    int index = 0;
    final int maxIndex = idsSize - 1;
    // need to increment last id because we use 'lt' condition
    if (maxIndex > -1) {
        ids.set(maxIndex, ids.get(maxIndex) + 1);
    }/*www .  j ava  2 s .  com*/
    while (index < maxIndex) {
        final int nextIndex = getNextIndex(index, maxIndex);
        final long minId = ids.get(index);
        final long maxId = ids.get(nextIndex);
        final List<?> results = createCriteriaWithRestrictedId(fullTextSession, clazz, minId, maxId).list();
        for (Object object : results) {
            indexEntity(hibernateSession, fullTextSession, object);
            index++;
        }
        operationLog.info(String.format("%d '%s' have been indexed...", index, clazz.getSimpleName()));
        fullTextSession.flushToIndexes();
        hibernateSession.clear();
    }
    fullTextSession.getSearchFactory().optimize(clazz);
    transaction.commit();
    operationLog.info(
            String.format("'%s' index complete. %d entities have been indexed.", clazz.getSimpleName(), index));
}

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