Examples with Filters org.neo4j.ogm.cypher.Filters used on opensource projects

Example 46 with Filters

use of org.neo4j.ogm.cypher.Filters in project framework by dynamiatools.

the class Neo4jCrudService method buildFilters.

private Filters buildFilters(QueryParameters params) {
    Filters filters = new Filters();
    params.forEach((k, v) -> {
        if (v instanceof QueryCondition) {
            Filter filter = new Filter(k, Neo4jQueryCondition.getOperator((QueryCondition) v), ((QueryCondition) v).getValue());
            filter.setBooleanOperator(BooleanOperator.AND);
            filters.add(filter);
        } else {
            Filter filter = new Filter(k, ComparisonOperator.EQUALS, v);
            filter.setBooleanOperator(BooleanOperator.AND);
            filters.add(filter);
        }
    });
    return filters;
}

Example 47 with Filters

use of org.neo4j.ogm.cypher.Filters in project neo4j-ogm by neo4j.

the class CineastsIntegrationTest method loadFilmByUserAndRatingUserPlays.

@Test
public void loadFilmByUserAndRatingUserPlays() {
    Filter userFilter = new Filter("name", ComparisonOperator.EQUALS, "Michal");
    userFilter.setNestedPath(new Filter.NestedPathSegment("ratings", Rating.class), new Filter.NestedPathSegment("user", User.class));
    Filter playsFilter = new Filter("level", ComparisonOperator.EQUALS, "ok");
    playsFilter.setOwnerEntityType(Movie.class);
    playsFilter.setNestedPath(new Filter.NestedPathSegment("ratings", Rating.class), new Filter.NestedPathSegment("user", User.class), new Filter.NestedPathSegment("plays", Plays.class));
    Filters filters = userFilter.and(playsFilter);
    Collection<Movie> films = session.loadAll(Movie.class, filters);
    assertThat(films).hasSize(2);
}

Example 48 with Filters

use of org.neo4j.ogm.cypher.Filters in project neo4j-ogm by neo4j.

the class CineastsIntegrationTest method nestedFilteringMustThrowExceptionWithOrInThePipeline.

@Test
public void nestedFilteringMustThrowExceptionWithOrInThePipeline() {
    // rated by the user who doesn't own Catty or by the user who owns Catty
    Filter filterA = new Filter("name", ComparisonOperator.EQUALS, "Catty");
    filterA.setNestedPath(new Filter.NestedPathSegment("ratings", Rating.class), new Filter.NestedPathSegment("user", User.class), new Filter.NestedPathSegment("pets", Pet.class));
    filterA.setNegated(true);
    Filter alwaysTrueFilter = new Filter(new FilterFunction() {

        private Filter theFilter;

        @Override
        public Object getValue() {
            return null;
        }

        @Override
        public Map<String, Object> parameters(UnaryOperator createUniqueParameterName, PropertyValueTransformer valueTransformer) {
            return Collections.emptyMap();
        }

        @Override
        public String expression(String nodeIdentifier, String filteredProperty, UnaryOperator createUniqueParameterName) {
            return "1 = 1 ";
        }
    });
    alwaysTrueFilter.setBooleanOperator(BooleanOperator.OR);
    Filter filterB = new Filter("name", ComparisonOperator.EQUALS, "Catty");
    filterB.setNestedPath(new Filter.NestedPathSegment("ratings", Rating.class), new Filter.NestedPathSegment("user", User.class), new Filter.NestedPathSegment("pets", Pet.class));
    filterB.setBooleanOperator(BooleanOperator.AND);
    Filters filters = new Filters(filterA, alwaysTrueFilter, filterB);
    assertThatExceptionOfType(UnsupportedOperationException.class).isThrownBy(() -> session.loadAll(Movie.class, filters)).withMessage("Filters containing nested paths cannot be combined via the logical OR operator.");
}

Example 49 with Filters

use of org.neo4j.ogm.cypher.Filters in project neo4j-ogm by neo4j.

the class RestaurantIntegrationTest method shouldFilterByIsNullOrNotNull.

/**
 * @see DATAGRAPH-904
 */
@Test
public void shouldFilterByIsNullOrNotNull() {
    Restaurant kuroda = new Restaurant("Kuroda", "Mainly Ramen");
    session.save(kuroda);
    Restaurant cyma = new Restaurant();
    cyma.setName("Cyma");
    session.save(cyma);
    session.clear();
    Filter descriptionIsNull = new Filter("description", ComparisonOperator.IS_NULL, null);
    Collection<Restaurant> results = session.loadAll(Restaurant.class, new Filters().add(descriptionIsNull));
    assertThat(results).hasSize(1);
    Restaurant restaurant = results.iterator().next();
    assertThat(restaurant.getName()).isEqualTo("Cyma");
    Filter descriptionIsNotNull = new Filter("description", ComparisonOperator.IS_NULL, null);
    descriptionIsNotNull.setNegated(true);
    results = session.loadAll(Restaurant.class, new Filters().add(descriptionIsNotNull));
    assertThat(results).hasSize(1);
    restaurant = results.iterator().next();
    assertThat(restaurant.getName()).isEqualTo("Kuroda");
}

Example 50 with Filters

use of org.neo4j.ogm.cypher.Filters in project neo4j-ogm by neo4j.

the class RestaurantIntegrationTest method shouldFilterByPropertyIsTrue.

/**
 * @see DATAGRAPH-904
 */
@Test
public void shouldFilterByPropertyIsTrue() {
    Restaurant kazan = new Restaurant("Kazan", 77.0);
    kazan.setHalal(true);
    session.save(kazan);
    Restaurant kuroda = new Restaurant("Kuroda", 72.4);
    kuroda.setHalal(false);
    session.save(kuroda);
    Filter isHalal = new Filter("halal", ComparisonOperator.IS_TRUE);
    Collection<Restaurant> results = session.loadAll(Restaurant.class, new Filters().add(isHalal));
    assertThat(results).isNotNull();
    assertThat(results).hasSize(1);
    assertThat(results.iterator().next().getName()).isEqualTo("Kazan");
    Filter notHalal = new Filter("halal", ComparisonOperator.IS_TRUE);
    notHalal.setNegated(true);
    results = session.loadAll(Restaurant.class, new Filters().add(notHalal));
    assertThat(results).isNotNull();
    assertThat(results).hasSize(1);
    assertThat(results.iterator().next().getName()).isEqualTo("Kuroda");
}