/**
* Get the inverse relationship type of the given relationship type
*
* @param RelationshipType $relationship_type
* @return RelationshipType
*/
public static function getInverseRelationship(RelationshipType $relationship_type)
{
switch ($relationship_type) {
default:
throw new InvalidEntityException("Unknown relationship type: " . $relationship_type->key());
case RelationshipType::ONETOONE():
return RelationshipType::ONETOONE();
case RelationshipType::ONETOMANY():
return RelationshipType::MANYTOONE();
case RelationshipType::MANYTOONE():
return RelationshipType::ONETOMANY();
case RelationshipType::MANYTOMANY():
return RelationshipType::MANYTOMANY();
}
}
public function testOtoRelationship()
{
$mapper = new AnnotationMapper();
$user = new User();
$user_meta = $mapper->getEntityMetadata($user);
$relationships = $user_meta->getRelationships();
$this->assertCount(1, $relationships);
$address_relationship = $user_meta->getRelationshipByName('address');
$this->assertEquals(User::class, $address_relationship->getSource());
$this->assertEquals(Address::class, $address_relationship->getTarget());
$this->assertEquals('user', $address_relationship->getInversedBy());
$this->assertEquals(RelationshipType::ONETOONE(), $address_relationship->getRelationshipType());
}
/**
* Get an array containing an array of foreign entities to remove the local entity from, and an array of foreign
* entities to add the local entity to and an array of entities which remain the same in the relationship
*
* @param string $key Local relationship key
* @param Relationship $relationship Relationship in question
* @param object|object[] $new_value New local value containing foreign entities
* @return array
*/
private function getRelationshipDeltas($key, Relationship $relationship, $new_value)
{
$this->getDriver()->debugLog('Getting inverse relationship deltas: ' . $key);
if (RelationshipType::isMultiIndex($relationship->getRelationshipType())) {
return $this->getRelationshipDeltasMulti($key, $new_value);
} else {
return $this->getRelationshipDeltasSingle($key, $new_value);
}
}
/**
* Hydrate a relationship
*
* @param Relationship $relative
* @return $this
*/
public function hydrateRelative(Relationship $relative)
{
$this->entity_manager->getDriver()->debugLog("Hydrating relative for " . $this->metadata->getTableName() . "[" . $this->getReader()->getId() . "]::" . $relative->getName());
$setter = $relative->getSetter();
$key = $this->entity_manager->getKeyScheme()->getRelationshipKey($relative, $this->entity_manager->getMapper()->getEntityMetadata($relative->getSource())->getTableName(), $this->entity_manager->getMapper()->getEntityMetadata($relative->getTarget())->getTableName(), $this->getReader()->getId());
if (RelationshipType::isMultiIndex($relative->getRelationshipType())) {
$items = [];
$ids = $this->entity_manager->getDriver()->getMultiValueIndex($key);
foreach ($ids as $id) {
$items[] = $this->entity_manager->retrieveEntityOrNew($relative->getTarget(), $id);
}
$this->proxy->{$setter}($items);
} else {
$id = $this->entity_manager->getDriver()->getSingleValueIndex($key);
if ($id) {
$this->proxy->{$setter}($this->entity_manager->retrieve($relative->getTarget(), $id));
}
}
return $this;
}
/**
* Get all relationships in the entity
*
* @return Relationship[]
*/
public function getRelationships()
{
$r = [];
$properties = $this->reflection_obj->getProperties();
foreach ($properties as $property) {
/** @var OneToOne $oto */
$oto = $this->annotation_reader->getPropertyAnnotation($property, self::OTO_ANNOTATION);
if ($oto) {
$r[] = $this->createRelationship($property->getName(), RelationshipType::ONETOONE(), $oto);
}
/** @var OneToMany $otm */
$otm = $this->annotation_reader->getPropertyAnnotation($property, self::OTM_ANNOTATION);
if ($otm) {
$r[] = $this->createRelationship($property->getName(), RelationshipType::ONETOMANY(), $otm);
}
/** @var ManyToOne $mto */
$mto = $this->annotation_reader->getPropertyAnnotation($property, self::MTO_ANNOTATION);
if ($mto) {
$r[] = $this->createRelationship($property->getName(), RelationshipType::MANYTOONE(), $mto);
}
/** @var ManyToMany $mtm */
$mtm = $this->annotation_reader->getPropertyAnnotation($property, self::MTM_ANNOTATION);
if ($mtm) {
$r[] = $this->createRelationship($property->getName(), RelationshipType::MANYTOMANY(), $mtm);
}
}
return $r;
}
/**
* Same as above test, except we'll delete the category
*
* @dataProvider entityManagerDataProvider
* @param EntityManager $em
*/
public function testDeleteIndicesAndRelationshipsAlt(EntityManager $em)
{
$article1 = new RefArticle();
$article1->setId(502)->setTitle('Ref Article 502');
$category1 = new RefCategory();
$category1->setId(533)->setName('Ref Category 533');
$article1->setCanonicalCategory($category1);
$em->persist($category1)->persist($article1)->flush();
$this->assertTrue($this->exists($em, 'article', '502'));
$mto = $this->getRelKey($em, 'article', 'category', '502', 'canonical_category', RelationshipType::MANYTOONE());
$this->assertEquals('533', $em->getDriver()->getSingleValueIndex($mto));
// Not inversed:
$otm = $this->getRelKey($em, 'category', 'article', '533', 'articles', RelationshipType::ONETOMANY());
$this->assertNotContains('502', $em->getDriver()->getMultiValueIndex($otm));
// Ref exists:
$refs = $em->getDriver()->getRefs($this->getEntityRefKey($em, 'category', '533'));
$ref = (string) new Ref(RefArticle::class, '502', 'canonical_category');
$this->assertCount(1, $refs);
$this->assertEquals($ref, (string) $refs[0]);
/** @var RefCategory $category */
$category = $em->retrieve(RefCategory::class, 533);
$em->delete($category)->flush();
$this->assertFalse($this->exists($em, 'category', '533'));
$this->assertNull($em->getDriver()->getSingleValueIndex($mto));
$this->assertNotContains('502', $em->getDriver()->getMultiValueIndex($otm));
// Ref no longer needed:
$refs = $em->getDriver()->getRefs($this->getEntityRefKey($em, 'category', '533'));
$this->assertNotContains($ref, $refs);
}
/**
* Create a relationship from schema
*
* @param string $property
* @param array $column_schema
* @return Relationship
*/
private function createRelationship($property, array $column_schema)
{
$assoc = $this->getNode($column_schema, Schema::REL_ASSOCIATION, true);
$relationship = new Relationship($property, RelationshipType::memberByValue($assoc));
$relationship->setTarget($this->getNode($column_schema, Schema::REL_TARGET, true))->setInversedBy($this->getNode($column_schema, Schema::REL_INVERSED_BY, false))->setGetter($this->getNode($column_schema, Schema::GETTER, false))->setSetter($this->getNode($column_schema, Schema::SETTER, false))->setSortableBy($this->createSortables($column_schema));
return $relationship;
}
