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

Introduction

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

Prototype

AuditQuery addProjection(AuditProjection projection);

Source Link

Usage

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

License:Open Source License

@Override
public long size() {
    AuditQuery query = builder.build(Databinder.getHibernateSession());
    query.addProjection(new AuditProperty<Long>(new RevisionNumberPropertyName()).count());
    Number size = (Number) query.getSingleResult();
    return size == null ? 0 : size.longValue();
}

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From source file:org.tomitribe.tribestream.registryng.repository.Repository.java

License:Apache License

/**
 * Returns the number of revisions available for the entity with the given id.
 *
 * @param entityClass the Entity class type to use to find revisions
 * @param id          the ID of the entity
 * @return the number of revisions//w  w  w .ja  va  2s. c  om
 */
public <T> int getNumberOfRevisions(final Class<T> entityClass, final String id) {
    final AuditQuery query = AuditReaderFactory.get(em).createQuery().forRevisionsOfEntity(entityClass, true,
            true);
    query.add(AuditEntity.id().eq(id));
    query.addProjection(AuditEntity.revisionNumber().count());

    return ((Number) query.getSingleResult()).intValue();
}

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