Example usage for org.hibernate.envers AuditReaderFactory get

Introduction

In this page you can find the example usage for org.hibernate.envers AuditReaderFactory get.

Prototype

public static AuditReader get(EntityManager entityManager) throws AuditException 

Source Link

Document

Create an audit reader associated with an open entity manager.

Usage

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

License:Apache License

public Endpoint findEndpointByIdAndRevision(final String endpointId, final int revision) {
    final AuditReader auditReader = AuditReaderFactory.get(em);
    final Endpoint endpoint = auditReader.find(Endpoint.class, endpointId, revision);

    // Resolve the application here, because the caller will not be able to, as it will
    // be running in a different transaction
    endpoint.getApplication().getId();/*from w ww.java2 s.co m*/

    return endpoint;
}

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From source file:org.tomitribe.tribestream.registryng.resources.EndpointHistoryResourceTest.java

License:Apache License

@Test
public void loadRevisionHasPayload() {
    // Given: A random application
    final EndpointSearchResult searchResult = registry.withRetries(() -> {
        List<EndpointSearchResult> searchResults = getSearchPage().getResults().stream()
                .map(SearchResult::getEndpoints).flatMap(List::stream).collect(toList());
        final EndpointSearchResult result = searchResults.get(random.nextInt(searchResults.size()));
        assertNotNull("endpoint exists", em.find(Endpoint.class, result.getEndpointId()));
        return result;
    });//  www  .  j a  va  2 s.co  m

    final String applicationId = searchResult.getApplicationId();
    final String endpointId = searchResult.getEndpointId();

    final AuditReader auditReader = AuditReaderFactory.get(em);
    final Number revision = auditReader.getRevisions(Endpoint.class, endpointId).iterator().next();

    final String json = registry.target()
            .path("api/history/application/{applicationId}/endpoint/{endpointId}/{revision}")
            .resolveTemplate("applicationId", applicationId).resolveTemplate("endpointId", endpointId)
            .resolveTemplate("revision", revision.intValue()).request(MediaType.APPLICATION_JSON_TYPE)
            .get(EndpointWrapper.class).getJson();

    assertNotNull(json);
    assertFalse(json.trim().isEmpty());
    try { // valid it is json
        new ObjectMapper().readTree(json);
    } catch (final IOException e) {
        fail(e.getMessage());
    }
}

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From source file:pl.softwaremill.enversdemo.working.WorkingDemo.java

License:Open Source License

public void doRun() {
    em.getTransaction().begin();// ww  w  . j  a va2 s  .  c o m

    WorkingAddress a1 = new WorkingAddress("street1");
    em.persist(a1);

    WorkingAddress a2 = new WorkingAddress("street2");
    em.persist(a2);

    WorkingPerson p1 = new WorkingPerson("john", "doe", 10);
    p1.setAddress(a1);
    em.persist(p1);

    em.getTransaction().commit();

    // ---

    em.getTransaction().begin();

    p1 = em.find(WorkingPerson.class, p1.getId());
    p1.setAge(11);

    WorkingPerson p2 = new WorkingPerson("mary", "kowalski", 99);
    p2.setAddress(a1);
    em.persist(p2);

    em.getTransaction().commit();

    // --

    em.getTransaction().begin();

    p1 = em.find(WorkingPerson.class, p1.getId());
    p1.setAddress(a2);
    p1.setName("peter");

    p2 = em.find(WorkingPerson.class, p2.getId());
    p2.setAge(35);

    em.getTransaction().commit();

    // --

    AuditReader ar = AuditReaderFactory.get(em);

    WorkingPerson p1_rev1 = ar.find(WorkingPerson.class, p1.getId(), 1);
    assertEquals(p1_rev1.getAge(), 10);

    WorkingPerson p2_rev3 = ar.find(WorkingPerson.class, p2.getId(), 3);
    assertEquals(p2_rev3.getAge(), 35);

    // --

    assertEquals(ar.getRevisions(WorkingPerson.class, p2.getId()), Arrays.asList(2, 3));

    // --

    assertEquals(ar.find(WorkingAddress.class, a1.getId(), 2).getPersons().size(), 2);
}

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

License:Open Source License

/**
 * @param clazz/*from w  ww. j  a v  a  2 s.c om*/
 * @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//from  ww  w .  j  a v a 2s.  com
 * @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;/*from w  w  w .  ja  v  a  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));

}

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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);//w  w  w.ja 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());

}

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

License:Apache License

private void checkRevisions(long cityId) {
    AuditReader reader = AuditReaderFactory.get(entityManager);

    City city_rev1 = reader.find(City.class, cityId, 1);
    assertThat(city_rev1.getState(), is(WRONG_STATE));

    City city_rev2 = reader.find(City.class, cityId, 2);
    assertThat(city_rev2.getState(), is(OXFORDSHIRE_STATE));
}

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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));

}

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