Package org.springframework.data.neo4j

Examples of org.springframework.data.neo4j.Group

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    @Test
    @Transactional
    public void testTraverseFromGroupToPeople() {
        Person p = persistedPerson("Michael", 35);
        Group group = new Group().persist();
        group.setName("dev");
        group.addPerson(p);
        final TraversalDescription traversalDescription = Traversal.description().relationships(DynamicRelationshipType.withName("persons")).evaluator(Evaluators.excludeStartPosition());
        Iterable<Person> people = (Iterable<Person>) group.findAllByTraversal(Person.class, traversalDescription);
        final HashSet<Person> found = new HashSet<Person>();
        for (Person person : people) {
            found.add(person);
        }
        assertEquals(Collections.singleton(p),found);
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    }
    @Test
    @Transactional
    public void testTraverseFromGroupToPeoplePaths() {
        Person p = persistedPerson("Michael", 35);
        Group group = new Group().persist();
        group.setName("dev");
        group.addPerson(p);
        final TraversalDescription traversalDescription = Traversal.description().relationships(DynamicRelationshipType.withName("persons"), Direction.OUTGOING).evaluator(Evaluators.excludeStartPosition());
        Iterable<EntityPath<Group,Person>> paths = group.<Group,Person>findAllPathsByTraversal(traversalDescription);
        for (EntityPath<Group, Person> path : paths) {
            assertEquals(group, path.startEntity());
            assertEquals(p, path.endEntity());
            assertEquals(1,path.length());
        }
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    @Test
    @Transactional
    @Rollback(false)
    public void testTraverseFieldFromGroupToPeople() {
        Person p = persistedPerson("Michael", 35);
        Group group = new Group().persist();
        group.setName("dev");
        group.addPerson(p);
        Iterable<Person> people = group.getPeople();
        final HashSet<Person> found = new HashSet<Person>();
        for (Person person : people) {
            found.add(person);
        }
        assertEquals(Collections.singleton(p),found);
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    @Test
    @Transactional
    public void testTraverseFromGroupToPeopleWithFinder() {
        final GraphRepository<Person> finder = graphRepositoryFactory.createGraphRepository(Person.class);
        Person p = persistedPerson("Michael", 35);
        Group group = new Group().persist();
        group.setName("dev");
        group.addPerson(p);
        final TraversalDescription traversalDescription = new TraversalDescriptionImpl().relationships(DynamicRelationshipType.withName("persons")).filter(Traversal.returnAllButStartNode());
        Iterable<Person> people = finder.findAllByTraversal(group, traversalDescription);
        final HashSet<Person> found = new HashSet<Person>();
        for (Person person : people) {
            found.add(person);
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    }

  @Test
    public void uninitializedCollectionFieldWithoutUnderlyingState()
    {
        Group group = new Group();
      Collection<Person> people = group.getPersons();
      assertNotNull(people);

      Person p = new Person( "David", 27 );
      people.add(p);

        assertEquals( Collections.singleton(p), group.getPersons() );
       
        group.persist();
    assertThat(group.getPersistentState(), hasRelationship("persons", p.getPersistentState()));
    assertThat(p.getPersistentState(), hasRelationship("persons", group.getPersistentState()));
    }
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    }

  @Test
    public void initializedCollectionFieldWithoutUnderlyingState()
    {
        Group group = new Group();
      group.setPersons(new HashSet<Person>());
      Collection<Person> people = group.getPersons();
      assertNotNull(people);

      Person p = new Person( "David", 27 );
      people.add(p);

        assertEquals( Collections.singleton(p), group.getPersons() );
       
        group.persist();
    assertThat(group.getPersistentState(), hasRelationship("persons", p.getPersistentState()));
    assertThat(p.getPersistentState(), hasRelationship("persons", group.getPersistentState()));
    }
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        emil = Person.persistedPerson("Emil", 30);
        michael.setBoss(emil);
        michael.setPersonality(Personality.EXTROVERT);
        david = Person.persistedPerson("David", 25);
        david.setBoss(emil);
        sdg = new Group().persist();
        sdg.setName("SDG");
        sdg.addPerson(michael);
        sdg.addPerson(emil);
        sdg.addPerson(david);
    }
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    @Test
    @Transactional
    public void testSetOneToManyRelationship() {
        Person michael = persistedPerson("Michael", 35);
        Person david = persistedPerson("David", 25);
        Group group = new Group().persist();
        Set<Person> persons = new HashSet<Person>(Arrays.asList(michael, david));
        group.setPersons(persons);
        Relationship michaelRel = michael.getPersistentState().getSingleRelationship(DynamicRelationshipType.withName("persons"), Direction.INCOMING);
        Relationship davidRel = david.getPersistentState().getSingleRelationship(DynamicRelationshipType.withName("persons"), Direction.INCOMING);
        assertEquals(group.getPersistentState(), michaelRel.getStartNode());
        assertEquals(group.getPersistentState(), davidRel.getStartNode());
    }
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    @Test
    @Transactional
    public void testGetOneToManyRelationship() {
        Person michael = persistedPerson("Michael", 35);
        Person david = persistedPerson("David", 25);
        Group group = new Group().persist();
        Set<Person> persons = new HashSet<Person>(Arrays.asList(michael, david));
        group.setPersons(persons);
        Collection<Person> personsFromGet = group.getPersons();
        assertEquals(persons, personsFromGet);
        Assert.assertTrue(Set.class.isAssignableFrom(personsFromGet.getClass()));
    }
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    @Test
    @Transactional
    public void testAddToOneToManyRelationship() {
        Person michael = persistedPerson("Michael", 35);
        Person david = persistedPerson("David", 25);
        Group group = new Group().persist();
        group.setPersons(new HashSet<Person>());
        group.getPersons().add(michael);
        group.getPersons().add(david);
        Collection<Person> personsFromGet = group.getPersons();
        assertEquals(new HashSet<Person>(Arrays.asList(david,michael)), personsFromGet);
        Assert.assertTrue(Set.class.isAssignableFrom(personsFromGet.getClass()));
    }
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Related Classes of org.springframework.data.neo4j.Group

  • org.neo4j.kernel.impl.traversal.TraversalDescriptionImpl
  • org.springframework.data.neo4j.support.GraphRepositoryTest
  • org.springframework.data.neo4j.support.ModificationOutsideOfTransactionTest
  • org.springframework.data.neo4j.support.NodeEntityRelationshipTest
  • org.springframework.data.neo4j.support.NodeEntityTest
  • org.springframework.data.neo4j.support.ProjectionTest
  • org.springframework.data.neo4j.support.TestTeam
  • org.springframework.data.neo4j.support.TraversalTest
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