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

Example 91 with Filter

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

the class CineastsIntegrationTest method loadRatingByUserNameAndStars.

@Test
public void loadRatingByUserNameAndStars() {
    Filter userNameFilter = new Filter("name", ComparisonOperator.EQUALS, "Michal");
    userNameFilter.setNestedPath(new Filter.NestedPathSegment("user", User.class));
    Collection<Rating> ratings = session.loadAll(Rating.class, userNameFilter);
    assertThat(ratings).hasSize(2);
}

Example 92 with Filter

use of org.neo4j.ogm.cypher.Filter 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 93 with Filter

use of org.neo4j.ogm.cypher.Filter 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 94 with Filter

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

the class CineastsIntegrationTest method loadFilmByRating.

@Test
public void loadFilmByRating() {
    Filter filter = new Filter("stars", ComparisonOperator.EQUALS, 5);
    filter.setOwnerEntityType(Movie.class);
    filter.setNestedPath(new Filter.NestedPathSegment("ratings", Rating.class));
    Collection<Movie> films = session.loadAll(Movie.class, filter);
    assertThat(films).hasSize(1);
}

Example 95 with Filter

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

the class CineastsIntegrationTest method loadRatingByUserName.

@Test
public void loadRatingByUserName() {
    Filter userNameFilter = new Filter("name", ComparisonOperator.EQUALS, "Michal");
    Filter ratingFilter = new Filter("stars", ComparisonOperator.EQUALS, 5);
    userNameFilter.setNestedPath(new Filter.NestedPathSegment("user", User.class));
    Collection<Rating> ratings = session.loadAll(Rating.class, userNameFilter.and(ratingFilter));
    assertThat(ratings).hasSize(1);
}