Examples with Transaction org.neo4j.ogm.transaction.Transaction used on opensource projects

Example 1 with Transaction

use of org.neo4j.ogm.transaction.Transaction in project neo4j-ogm by neo4j.

the class LabelDeterminationTest method indexesShouldBeCreatedForLoadableClassesInHierarchy.

@Test
public void indexesShouldBeCreatedForLoadableClassesInHierarchy() {
    assumeTrue(isVersionOrGreater("3.3"));
    final IndexDescription[] expectedIndexes = new IndexDescription[] { new IndexDescription("DefaultUser", "id"), new IndexDescription("Admin", "id"), new IndexDescription("ChildA", "uuid"), new IndexDescription("ChildB", "uuid"), new IndexDescription("ChildC", "uuid"), new IndexDescription("LabeledEntity", "uuid"), new IndexDescription("EntityWithImplicitPlusAdditionalLabels", "id") };
    sessionFactory.runAutoIndexManager(getBaseConfigurationBuilder().autoIndex(AutoIndexMode.UPDATE.name()).build());
    Session session = sessionFactory.openSession();
    try (Transaction tx = session.beginTransaction()) {
        Result indexResult = session.query("CALL db.indexes()", emptyMap());
        List<IndexDescription> indexDescriptions = new ArrayList<>();
        for (Map<String, Object> queryResult : indexResult.queryResults()) {
            // Skip 4.3 node label / rel types
            if (queryResult.containsKey("type") && queryResult.get("type").equals("LOOKUP")) {
                continue;
            }
            // ensure compatibility with 3.x and 4.x
            String label = "unknown";
            if (queryResult.get("label") != null) {
                // 3.4(-)
                label = (String) queryResult.get("label");
            } else if (queryResult.get("tokenNames") != null) {
                // 3.5
                label = ((String[]) queryResult.get("tokenNames"))[0];
            } else if (queryResult.get("labelsOrTypes") != null) {
                // 4.0+
                label = ((String[]) queryResult.get("labelsOrTypes"))[0];
            }
            indexDescriptions.add(new IndexDescription(label, (String[]) queryResult.get("properties")));
        }
        assertThat(indexDescriptions).containsExactlyInAnyOrder(expectedIndexes);
        tx.commit();
    }
}

Example 2 with Transaction

use of org.neo4j.ogm.transaction.Transaction in project neo4j-ogm by neo4j.

the class SatelliteIntegrationTest method shouldRollbackLongTransaction.

@Test
public void shouldRollbackLongTransaction() {
    Long id;
    String name;
    try (Transaction tx = session.beginTransaction()) {
        // load all
        Collection<Satellite> satellites = session.loadAll(Satellite.class);
        assertThat(satellites).hasSize(11);
        Satellite satellite = satellites.iterator().next();
        id = satellite.getId();
        name = satellite.getName();
        satellite.setName("Updated satellite");
        // update
        session.save(satellite);
        session.clear();
        // refetch
        Satellite updatedSatellite = session.load(Satellite.class, id);
        assertThat(updatedSatellite.getName()).isEqualTo("Updated satellite");
        tx.rollback();
    }
    session.clear();
    // fetch - after rollback should not be changed
    // note, that because we aren't starting a new tx, we will be given an autocommit one.
    Satellite reloadedSatellite = session.load(Satellite.class, id);
    assertThat(reloadedSatellite.getName()).isEqualTo(name);
}

Example 3 with Transaction

use of org.neo4j.ogm.transaction.Transaction in project neo4j-ogm by neo4j.

the class HierarchyRelsTest method saveMultipleRelationshipsToBase.

// GH-152
@Test
public void saveMultipleRelationshipsToBase() {
    Type1 node1 = new Type1();
    node1.name = "type1";
    Type2 node2 = new Type2();
    node2.name = "type2";
    node1.addIncoming(node2);
    node2.addIncoming(node1);
    Transaction transaction = session.beginTransaction();
    session.save(node1);
    transaction.commit();
    transaction.close();
    session.clear();
    transaction = session.beginTransaction();
    BaseEntity entity = session.load(BaseEntity.class, node1.getGraphId());
    transaction.close();
    assertThat(entity.getIncoming()).hasSize(1);
    assertThat(entity.getOutgoing()).hasSize(1);
    assertThat(node2.getGraphId()).isEqualTo(entity.getIncoming().get(0).getGraphId());
    assertThat(node2.getGraphId()).isEqualTo(entity.getOutgoing().get(0).getGraphId());
}

Example 4 with Transaction

use of org.neo4j.ogm.transaction.Transaction in project neo4j-ogm by neo4j.

the class SessionAndMappingContextTest method shouldRollbackRelationshipEntityWithDifferentStartAndEndNodes.

@Test
public void shouldRollbackRelationshipEntityWithDifferentStartAndEndNodes() {
    Actor mary = new Actor("Mary");
    Actor john = new Actor("John");
    Knows maryKnowsJohn = new Knows();
    maryKnowsJohn.setFirstActor(mary);
    maryKnowsJohn.setSecondActor(john);
    try (Transaction tx = session.beginTransaction()) {
        session.save(maryKnowsJohn);
        assertThat(mary.getUuid()).isNotNull();
        assertThat(maryKnowsJohn.id).isNotNull();
        assertThat(john.getUuid()).isNotNull();
        tx.rollback();
        assertThat(mary.getUuid()).isNull();
        assertThat(maryKnowsJohn.id).isNull();
        assertThat(john.getUuid()).isNull();
    }
}

Example 5 with Transaction

use of org.neo4j.ogm.transaction.Transaction in project neo4j-ogm by neo4j.

the class SessionAndMappingContextTest method shouldRefreshUpdatedRelationshipEntities.

// GH-817
@Test
public void shouldRefreshUpdatedRelationshipEntities() {
    sessionFactory.openSession().purgeDatabase();
    Session sessionForCreation = sessionFactory.openSession();
    Rider rider = new Rider("Michael");
    Bike bike1 = new Bike("Bike1");
    Bike bike2 = new Bike("Bike2");
    rider.getTrips().add(new Trip(rider, bike1, "n/a"));
    rider.getTrips().add(new Trip(rider, bike2, "n/a"));
    try (Transaction tx = sessionForCreation.beginTransaction()) {
        sessionForCreation.save(rider);
        tx.commit();
    }
    Session sessionForLoadingAndUpdate = sessionFactory.openSession();
    Iterable<Trip> loadedBikes = sessionForLoadingAndUpdate.loadAll(Trip.class);
    assertThat(loadedBikes).hasSize(2).extracting(Trip::getName).containsOnly("n/a");
    String name = "A nice trip";
    Iterable<Trip> updatedBikes = sessionForLoadingAndUpdate.query(Trip.class, "MATCH (r:Rider) - [t:RODE] -> (c:Bike) SET t.name = $newName RETURN *", Collections.singletonMap("newName", name));
    Rider loadedRider = sessionForLoadingAndUpdate.load(Rider.class, rider.getId());
    assertThat(updatedBikes).hasSize(2).extracting(Trip::getName).containsOnly(name);
    assertThat(loadedRider.getTrips()).hasSize(2).extracting(Trip::getName).containsOnly(name);
}