Example usage for org.hibernate.envers AuditReader createQuery

Introduction

In this page you can find the example usage for org.hibernate.envers AuditReader createQuery.

Prototype

AuditQueryCreator createQuery();

Source Link

Document

Creates an audit query

Usage

From source file:py.una.pol.karaku.replication.server.EnversReplicationProvider.java

License:Open Source License

/**
 * @param clazz/*from ww  w . ja  v a 2 s  . co  m*/
 * @param lastId
 * @return
 */
@SuppressWarnings("unchecked")
private <T extends Shareable> Bundle<T> getDelta(Class<T> clazz, String lastId) {

    AuditReader ar = AuditReaderFactory.get(getSession());
    Number number = getLastId(clazz, lastId);
    List<Object[]> entities = ar.createQuery().forRevisionsOfEntity(clazz, false, false)
            .add(AuditEntity.revisionNumber().gt(number)).getResultList();

    Bundle<T> bundle = new Bundle<T>(lastId);
    for (Object[] o : entities) {
        if (o == null) {
            continue;
        }
        bundle.add((T) notNull(o[0]), notNull(getId(o[1])));
    }
    return bundle;
}

From source file:py.una.pol.karaku.replication.server.EnversReplicationProvider.java

License:Open Source License

/**
 * @param clazz/*w  w  w.ja v a 2 s. c o  m*/
 * @param reader
 * @param lastId
 * @return
 */
@SuppressWarnings("unchecked")
private <T extends Shareable> boolean isUnknown(Class<T> clazz, String lastId) {

    if (Bundle.FIRST_CHANGE.equals(lastId)) {
        return false;
    }

    AuditReader reader = AuditReaderFactory.get(getSession());
    List<T> entitiesAtRevision = reader.createQuery().forRevisionsOfEntity(clazz, false, false)
            .add(AuditEntity.revisionNumber().eq(getLastId(clazz, lastId))).getResultList();
    return (entitiesAtRevision == null) || entitiesAtRevision.isEmpty();
}

From source file:py.una.pol.karaku.replication.server.EnversReplicationProvider.java

License:Open Source License

@Nonnull
private <T extends Shareable> Bundle<T> getAll(@Nonnull Class<T> clazz) {

    AuditReader reader = AuditReaderFactory.get(getSession());
    Number prior = (Number) reader.createQuery().forRevisionsOfEntity(clazz, false, true)
            .addProjection(AuditEntity.revisionNumber().max()).getSingleResult();

    String lastId;// w  ww .  j  a va 2 s.c o  m
    // previous revision, la actual no ser persistida.
    if (prior == null) {
        lastId = Bundle.FIRST_CHANGE;
    } else {
        lastId = String.valueOf(prior);
    }
    return firstChangeProviderHandler.getAll(clazz, notNull(lastId));

}

From source file:sample.data.jpa.SampleDataJpaApplicationTests.java

License:Apache License

@Test
public void testEnvers() {
    FooService fooService = context.getBean(FooService.class);

    Foo foo = new Foo();
    foo.setDescription("Foo");

    Foo saved = fooService.save(foo);/*from ww  w . j  a  va  2 s.c  o  m*/
    saved.setDescription("Foo1");

    saved = fooService.save(saved);

    AuditReader auditReader = AuditReaderFactory.get(emf.createEntityManager());

    Foo oldFoo = (Foo) auditReader.createQuery().forEntitiesAtRevision(Foo.class, new Integer(1))
            .getSingleResult();

    Foo newFoo = fooService.load(1);

    Assert.assertEquals("Foo", oldFoo.getDescription());
    Assert.assertEquals("Foo1", newFoo.getDescription());

}

From source file:sample.data.jpa.service.CityRepositoryIntegrationTests.java

License:Apache License

private void checkUsers() {
    AuditReader reader = AuditReaderFactory.get(entityManager);
    AuditQuery query = reader.createQuery().forRevisionsOfEntity(City.class, false, false);

    //This return a list of array triplets of changes concerning the specified revision.
    // The array triplet contains the entity, entity revision information and at last the revision type.
    Object[] obj = (Object[]) query.getSingleResult();

    //In this case we want the entity revision information object, which is the second object of the array.
    UserRevEntity userRevEntity = (UserRevEntity) obj[1];

    String user = userRevEntity.getUsername();
    assertThat(user, is(UserRevisionListener.USERNAME));

}