Example usage for org.hibernate.envers.query AuditQuery setMaxResults

Introduction

In this page you can find the example usage for org.hibernate.envers.query AuditQuery setMaxResults.

Prototype

AuditQuery setMaxResults(int maxResults);

Source Link

Usage

From source file:com.actelion.research.spiritcore.services.dao.DAORevision.java

License:Open Source License

/**
 * Returns all revisions of the given entity until the given maxRevId
 * @param obj/*from w  w  w  .ja v  a  2s .co m*/
 * @param maxRevId (-1, to ignore)
 * @return
 */
@SuppressWarnings("unchecked")
public static List<Revision> getLastRevisions(Class<?> claz, Serializable entityId, int maxRevId, int n) {

    long s = System.currentTimeMillis();
    EntityManager session = JPAUtil.getManager();
    AuditReader reader = AuditReaderFactory.get(session);
    AuditQuery query = reader.createQuery().forRevisionsOfEntity(claz, false, true).setCacheable(false)
            .setLockMode(LockMode.NONE);
    query.add(AuditEntity.id().eq(entityId));

    if (maxRevId > 0) {
        query.add(AuditEntity.revisionNumber().le(maxRevId));
    }
    if (n > 0) {
        query.setMaxResults(n);
        query.addOrder(AuditEntity.revisionNumber().desc());
    }
    List<Revision> revisions = getRevisions(null, query.getResultList());
    LoggerFactory.getLogger(DAORevision.class).debug("Loaded revisions for " + claz.getSimpleName() + "("
            + entityId + ") maxRevId=" + maxRevId + "-" + n + " in " + (System.currentTimeMillis() - s) + "ms");
    return revisions;
}

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From source file:com.actelion.research.spiritcore.services.dao.DAORevision.java

License:Open Source License

/**
 * Get the different version of an element, the first element of the list shows the most recent version
 * @param obj//  w  ww  .ja v  a  2s . co  m
 * @return
 */
public static <T extends IObject> List<T> getHistory(Class claz, Serializable objectId, int maxRevs) {
    long s = System.currentTimeMillis();
    EntityManager session = JPAUtil.getManager();
    AuditReader reader = AuditReaderFactory.get(session);
    AuditQuery query = reader.createQuery().forRevisionsOfEntity(claz, true, false)
            .add(AuditEntity.id().eq(objectId)).addOrder(AuditEntity.revisionNumber().desc())
            .setCacheable(false).setLockMode(LockMode.NONE);
    if (maxRevs > 0) {
        query.setMaxResults(maxRevs);
    }
    List<T> res = query.getResultList();
    for (T t : res) {
        session.detach(t);
    }

    LoggerFactory.getLogger(DAORevision.class).debug("Loaded history for " + claz.getSimpleName() + ": ("
            + objectId + ") in " + (System.currentTimeMillis() - s) + "ms");
    return res;
}

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From source file:org.cast.cwm.data.provider.AuditDataProvider.java

License:Open Source License

@SuppressWarnings("unchecked")
@Override//from w w  w  . ja  v  a 2 s  .co  m
public Iterator<? extends AuditTriple<E, R>> iterator(long first, long count) {
    AuditQuery query = builder.buildSorted(Databinder.getHibernateSession());
    query.setFirstResult((int) first);
    query.setMaxResults((int) count);
    return new AuditIteratorAdapter<E, R>(query.getResultList().iterator());
}

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