Example usage for org.hibernate CacheMode GET

Introduction

In this page you can find the example usage for org.hibernate CacheMode GET.

Prototype

CacheMode GET

To view the source code for org.hibernate CacheMode GET.

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Document

The session may read items from the cache, but will not add items, except to invalidate items when updates occur.

Usage

From source file:org.candlepin.model.DetachedCandlepinQuery.java

License:Open Source License

/**
 * {@inheritDoc}//from  ww w.ja  va2  s  .com
 */
@Override
public ResultIterator<T> iterate(int column, boolean evict) {
    Criteria executable = this.getExecutableCriteria();

    // We always override the cache mode here to ensure we don't evict things that may be in
    // cache from another request.
    if (evict) {
        executable.setCacheMode(CacheMode.GET);
    }

    ScrollableResults cursor = executable.scroll(ScrollMode.FORWARD_ONLY);
    return new ColumnarResultIterator<>(this.session, cursor, column, evict);
}

From source file:org.hyperic.hq.events.server.session.AlertDefinitionDAO.java

License:Open Source License

/**
 * Get a list of all alert definitions with an availability metric condition
 * @return a list of alert definitions//from   w  ww. j ava 2s.  com
 */
public List<AlertDefinition> findAvailAlertDefs() {
    // To improve performance, need to explicitly fetch the resource,
    // resource type, and conditions so that they are not lazy loaded
    String hql = new StringBuilder(256).append("from AlertDefinition ad ").append("join fetch ad.resource rez ")
            .append("join fetch rez.resourceType ").append("join fetch ad.conditionsBag c ")
            .append("where ad.active = true ").append("and ad.deleted = false ").append("and upper(c.name) = '")
            .append(MeasurementConstants.CAT_AVAILABILITY.toUpperCase()).append("' ")
            .append("and (ad.parent is null or ad.parent.id != 0) ").toString();

    // setCacheMode(CacheMode.GET) to prevent objects with incomplete collections from
    // getting cached in the 2nd level cache.
    return getSession().createQuery(hql).setCacheMode(CacheMode.GET).list();
}

From source file:org.osiam.storage.dao.GetInternalIdSkeleton.java

License:Open Source License

protected <T> SCIMSearchResult<T> search(Class<T> clazz, String filter, int count, int startIndex,
        String sortBy, String sortOrder) {
    Session session = (Session) em.getDelegate();
    Criteria criteria = session.createCriteria(clazz);
    criteria.setReadOnly(true);// w  w  w  . ja  v  a2s  .co  m
    criteria.setCacheMode(CacheMode.GET);
    criteria.setCacheable(true);
    if (filter != null && !filter.isEmpty()) {
        criteria = criteria.add(filterParser.parse(filter).buildCriterion());
    }
    createAliasesForCriteria(criteria);
    criteria.setMaxResults(count);
    long totalResult = getTotalResults(criteria);
    setSortOrder(sortBy, sortOrder, criteria);
    criteria.setFirstResult(startIndex);
    Criteria criteria1 = criteria.setProjection(null).setResultTransformer(Criteria.ROOT_ENTITY);
    List list = criteria1.list();
    return new SCIMSearchResult(list, totalResult);
}

From source file:org.sakaiproject.profile2.dao.impl.ProfileDaoImpl.java

License:Educational Community License

/**
  * {@inheritDoc}/*from w  ww. j  a  v a2  s . com*/
  */
public List<UserProfile> getUserProfiles(final int start, final int count) {

    //get fields directly from the sakaiperson table and use Transformers.aliasToBean to transform into UserProfile pojo
    //the idea is we *dont* want a SakaiPerson object
    HibernateCallback hcb = new HibernateCallback() {
        public Object doInHibernate(Session session) throws HibernateException, SQLException {

            Query q = session.getNamedQuery(QUERY_GET_SAKAI_PERSON);

            //see scalars in the hbm
            q.setFirstResult(start);
            q.setMaxResults(count);
            q.setResultTransformer(Transformers.aliasToBean(UserProfile.class));
            q.setCacheMode(CacheMode.GET);
            return q.list();
        }
    };

    return (List<UserProfile>) getHibernateTemplate().executeFind(hcb);
}

From source file:se.vgregion.webbisar.svc.impl.WebbisDaoHibernate.java

License:Open Source License

/**
 * {@inheritDoc}//from ww  w.  jav a  2s  .  c o  m
 */
public void reindex() {
    getJpaTemplate().execute(new JpaCallback() {
        public Object doInJpa(EntityManager em) throws PersistenceException {
            FullTextSession fullTextSession = getFullTextSession(getHibernateSession(em));
            fullTextSession.purgeAll(Webbis.class);

            // Do not update the second level cache. It will just slow things down.
            fullTextSession.setCacheMode(CacheMode.GET);

            // Read 5000 entries at a time.
            final int BATCH_SIZE = 5000;

            // Due to a bug in Hibernate (HHH-1283) a join does not work here.
            // See http://opensource.atlassian.com/projects/hibernate/browse/HHH-1283
            ScrollableResults results = fullTextSession.createQuery("from Webbis w").scroll();

            int index = 0;
            while (results.next()) {
                index++;
                fullTextSession.index(results.get(0)); // index each element
                if (index % BATCH_SIZE == 0) {
                    fullTextSession.flushToIndexes(); // apply changes to indexes
                    fullTextSession.clear(); // clear since the queue is processed
                }
            }
            return null;
        }
    });
}