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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Mapping;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\Platforms;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\Deprecations\Deprecation;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Event\LoadClassMetadataEventArgs;
use Doctrine\ORM\Event\OnClassMetadataNotFoundEventArgs;
use Doctrine\ORM\Events;
use Doctrine\ORM\Exception\ORMException;
use Doctrine\ORM\Id\AssignedGenerator;
use Doctrine\ORM\Id\BigIntegerIdentityGenerator;
use Doctrine\ORM\Id\IdentityGenerator;
use Doctrine\ORM\Id\SequenceGenerator;
use Doctrine\ORM\Mapping\Exception\InvalidCustomGenerator;
use Doctrine\ORM\Mapping\Exception\UnknownGeneratorType;
use Doctrine\ORM\Proxy\DefaultProxyClassNameResolver;
use Doctrine\Persistence\Mapping\AbstractClassMetadataFactory;
use Doctrine\Persistence\Mapping\ClassMetadata as ClassMetadataInterface;
use Doctrine\Persistence\Mapping\Driver\MappingDriver;
use Doctrine\Persistence\Mapping\ReflectionService;
use ReflectionClass;
use ReflectionException;
use function assert;
use function class_exists;
use function count;
use function end;
use function explode;
use function in_array;
use function is_a;
use function is_subclass_of;
use function method_exists;
use function str_contains;
use function strlen;
use function strtolower;
use function substr;
use const PHP_VERSION_ID;
/**
* The ClassMetadataFactory is used to create ClassMetadata objects that contain all the
* metadata mapping information of a class which describes how a class should be mapped
* to a relational database.
*
* @extends AbstractClassMetadataFactory<ClassMetadata>
*/
class ClassMetadataFactory extends AbstractClassMetadataFactory
{
private EntityManagerInterface|null $em = null;
private AbstractPlatform|null $targetPlatform = null;
private MappingDriver|null $driver = null;
private EventManager|null $evm = null;
/** @var mixed[] */
private array $embeddablesActiveNesting = [];
private const NON_IDENTITY_DEFAULT_STRATEGY = [
Platforms\OraclePlatform::class => ClassMetadata::GENERATOR_TYPE_SEQUENCE,
];
public function setEntityManager(EntityManagerInterface $em): void
{
if (! $em->getConfiguration()->isNativeLazyObjectsEnabled()) {
parent::setProxyClassNameResolver(new DefaultProxyClassNameResolver());
}
$this->em = $em;
}
/**
* @param A $maybeOwningSide
*
* @return (A is ManyToManyAssociationMapping ? ManyToManyOwningSideMapping : (
* A is OneToOneAssociationMapping ? OneToOneOwningSideMapping : (
* A is OneToManyAssociationMapping ? ManyToOneAssociationMapping : (
* A is ManyToOneAssociationMapping ? ManyToOneAssociationMapping :
* ManyToManyOwningSideMapping|OneToOneOwningSideMapping|ManyToOneAssociationMapping
* ))))
*
* @template A of AssociationMapping
*/
final public function getOwningSide(AssociationMapping $maybeOwningSide): OwningSideMapping
{
if ($maybeOwningSide instanceof OwningSideMapping) {
assert($maybeOwningSide instanceof ManyToManyOwningSideMapping ||
$maybeOwningSide instanceof OneToOneOwningSideMapping ||
$maybeOwningSide instanceof ManyToOneAssociationMapping);
return $maybeOwningSide;
}
assert($maybeOwningSide instanceof InverseSideMapping);
$owningSide = $this->getMetadataFor($maybeOwningSide->targetEntity)
->associationMappings[$maybeOwningSide->mappedBy];
assert($owningSide instanceof ManyToManyOwningSideMapping ||
$owningSide instanceof OneToOneOwningSideMapping ||
$owningSide instanceof ManyToOneAssociationMapping);
return $owningSide;
}
protected function initialize(): void
{
$this->driver = $this->em->getConfiguration()->getMetadataDriverImpl();
$this->evm = $this->em->getEventManager();
$this->initialized = true;
}
protected function onNotFoundMetadata(string $className): ClassMetadata|null
{
if (! $this->evm->hasListeners(Events::onClassMetadataNotFound)) {
return null;
}
$eventArgs = new OnClassMetadataNotFoundEventArgs($className, $this->em);
$this->evm->dispatchEvent(Events::onClassMetadataNotFound, $eventArgs);
$classMetadata = $eventArgs->getFoundMetadata();
assert($classMetadata instanceof ClassMetadata || $classMetadata === null);
return $classMetadata;
}
/**
* {@inheritDoc}
*/
protected function doLoadMetadata(
ClassMetadataInterface $class,
ClassMetadataInterface|null $parent,
bool $rootEntityFound,
array $nonSuperclassParents,
): void {
if ($parent) {
$class->setInheritanceType($parent->inheritanceType);
$class->setDiscriminatorColumn($parent->discriminatorColumn === null ? null : clone $parent->discriminatorColumn);
$class->setIdGeneratorType($parent->generatorType);
$this->addInheritedFields($class, $parent);
$this->addInheritedRelations($class, $parent);
$this->addInheritedEmbeddedClasses($class, $parent);
$class->setIdentifier($parent->identifier);
$class->setVersioned($parent->isVersioned);
$class->setVersionField($parent->versionField);
$class->setDiscriminatorMap($parent->discriminatorMap);
$class->addSubClasses($parent->subClasses);
$class->setLifecycleCallbacks($parent->lifecycleCallbacks);
$class->setChangeTrackingPolicy($parent->changeTrackingPolicy);
if (! empty($parent->customGeneratorDefinition)) {
$class->setCustomGeneratorDefinition($parent->customGeneratorDefinition);
}
if ($parent->isMappedSuperclass) {
$class->setCustomRepositoryClass($parent->customRepositoryClassName);
}
}
// Invoke driver
try {
$this->driver->loadMetadataForClass($class->getName(), $class);
} catch (ReflectionException $e) {
throw MappingException::reflectionFailure($class->getName(), $e);
}
// If this class has a parent the id generator strategy is inherited.
// However this is only true if the hierarchy of parents contains the root entity,
// if it consists of mapped superclasses these don't necessarily include the id field.
if ($parent && $rootEntityFound) {
$this->inheritIdGeneratorMapping($class, $parent);
} else {
$this->completeIdGeneratorMapping($class);
}
if (! $class->isMappedSuperclass) {
if ($rootEntityFound && $class->isInheritanceTypeNone()) {
throw MappingException::missingInheritanceTypeDeclaration(end($nonSuperclassParents), $class->name);
}
foreach ($class->embeddedClasses as $property => $embeddableClass) {
if (isset($embeddableClass->inherited)) {
continue;
}
if (isset($this->embeddablesActiveNesting[$embeddableClass->class])) {
throw MappingException::infiniteEmbeddableNesting($class->name, $property);
}
$this->embeddablesActiveNesting[$class->name] = true;
$embeddableMetadata = $this->getMetadataFor($embeddableClass->class);
if ($embeddableMetadata->isEmbeddedClass) {
$this->addNestedEmbeddedClasses($embeddableMetadata, $class, $property);
}
$identifier = $embeddableMetadata->getIdentifier();
if (! empty($identifier)) {
$this->inheritIdGeneratorMapping($class, $embeddableMetadata);
}
$class->inlineEmbeddable($property, $embeddableMetadata);
unset($this->embeddablesActiveNesting[$class->name]);
}
}
if ($parent) {
if ($parent->isInheritanceTypeSingleTable()) {
$class->setPrimaryTable($parent->table);
}
$this->addInheritedIndexes($class, $parent);
if ($parent->cache) {
$class->cache = $parent->cache;
}
if ($parent->containsForeignIdentifier) {
$class->containsForeignIdentifier = true;
}
if ($parent->containsEnumIdentifier) {
$class->containsEnumIdentifier = true;
}
if (! empty($parent->entityListeners) && empty($class->entityListeners)) {
$class->entityListeners = $parent->entityListeners;
}
}
$class->setParentClasses($nonSuperclassParents);
if ($class->isRootEntity() && ! $class->isInheritanceTypeNone() && ! $class->discriminatorMap) {
$this->addDefaultDiscriminatorMap($class);
}
// During the following event, there may also be updates to the discriminator map as per GH-1257/GH-8402.
// So, we must not discover the missing subclasses before that.
if ($this->evm->hasListeners(Events::loadClassMetadata)) {
$eventArgs = new LoadClassMetadataEventArgs($class, $this->em);
$this->evm->dispatchEvent(Events::loadClassMetadata, $eventArgs);
}
$this->findAbstractEntityClassesNotListedInDiscriminatorMap($class);
$this->validateRuntimeMetadata($class, $parent);
}
/**
* Validate runtime metadata is correctly defined.
*
* @throws MappingException
*/
protected function validateRuntimeMetadata(ClassMetadata $class, ClassMetadataInterface|null $parent): void
{
if (! $class->reflClass) {
// only validate if there is a reflection class instance
return;
}
$class->validateIdentifier();
$class->validateAssociations();
$class->validateLifecycleCallbacks($this->getReflectionService());
// verify inheritance
if (! $class->isMappedSuperclass && ! $class->isInheritanceTypeNone()) {
if (! $parent) {
if (count($class->discriminatorMap) === 0) {
throw MappingException::missingDiscriminatorMap($class->name);
}
if (! $class->discriminatorColumn) {
throw MappingException::missingDiscriminatorColumn($class->name);
}
foreach ($class->subClasses as $subClass) {
if ((new ReflectionClass($subClass))->name !== $subClass) {
throw MappingException::invalidClassInDiscriminatorMap($subClass, $class->name);
}
}
} else {
assert($parent instanceof ClassMetadata); // https://github.com/doctrine/orm/issues/8746
if (
! $class->reflClass->isAbstract()
&& ! in_array($class->name, $class->discriminatorMap, true)
) {
throw MappingException::mappedClassNotPartOfDiscriminatorMap($class->name, $class->rootEntityName);
}
}
} elseif ($class->isMappedSuperclass && $class->name === $class->rootEntityName && (count($class->discriminatorMap) || $class->discriminatorColumn)) {
// second condition is necessary for mapped superclasses in the middle of an inheritance hierarchy
throw MappingException::noInheritanceOnMappedSuperClass($class->name);
}
}
protected function newClassMetadataInstance(string $className): ClassMetadata
{
return new ClassMetadata(
$className,
$this->em->getConfiguration()->getNamingStrategy(),
$this->em->getConfiguration()->getTypedFieldMapper(),
);
}
/**
* Adds a default discriminator map if no one is given
*
* If an entity is of any inheritance type and does not contain a
* discriminator map, then the map is generated automatically. This process
* is expensive computation wise.
*
* The automatically generated discriminator map contains the lowercase short name of
* each class as key.
*
* @throws MappingException
*/
private function addDefaultDiscriminatorMap(ClassMetadata $class): void
{
$allClasses = $this->driver->getAllClassNames();
$fqcn = $class->getName();
$map = [$this->getShortName($class->name) => $fqcn];
$duplicates = [];
foreach ($allClasses as $subClassCandidate) {
if (is_subclass_of($subClassCandidate, $fqcn)) {
$shortName = $this->getShortName($subClassCandidate);
if (isset($map[$shortName])) {
$duplicates[] = $shortName;
}
$map[$shortName] = $subClassCandidate;
}
}
if ($duplicates) {
throw MappingException::duplicateDiscriminatorEntry($class->name, $duplicates, $map);
}
$class->setDiscriminatorMap($map);
}
private function findAbstractEntityClassesNotListedInDiscriminatorMap(ClassMetadata $rootEntityClass): void
{
// Only root classes in inheritance hierarchies need contain a discriminator map,
// so skip for other classes.
if (! $rootEntityClass->isRootEntity() || $rootEntityClass->isInheritanceTypeNone()) {
return;
}
$processedClasses = [$rootEntityClass->name => true];
foreach ($rootEntityClass->subClasses as $knownSubClass) {
$processedClasses[$knownSubClass] = true;
}
foreach ($rootEntityClass->discriminatorMap as $declaredClassName) {
// This fetches non-transient parent classes only
$parentClasses = $this->getParentClasses($declaredClassName);
foreach ($parentClasses as $parentClass) {
if (isset($processedClasses[$parentClass])) {
continue;
}
$processedClasses[$parentClass] = true;
// All non-abstract entity classes must be listed in the discriminator map, and
// this will be validated/enforced at runtime (possibly at a later time, when the
// subclass is loaded, but anyways). Also, subclasses is about entity classes only.
// That means we can ignore non-abstract classes here. The (expensive) driver
// check for mapped superclasses need only be run for abstract candidate classes.
if (! (new ReflectionClass($parentClass))->isAbstract() || $this->peekIfIsMappedSuperclass($parentClass)) {
continue;
}
// We have found a non-transient, non-mapped-superclass = an entity class (possibly abstract, but that does not matter)
$rootEntityClass->addSubClass($parentClass);
}
}
}
/** @param class-string $className */
private function peekIfIsMappedSuperclass(string $className): bool
{
$reflService = $this->getReflectionService();
$class = $this->newClassMetadataInstance($className);
$this->initializeReflection($class, $reflService);
$this->getDriver()->loadMetadataForClass($className, $class);
return $class->isMappedSuperclass;
}
/**
* Gets the lower-case short name of a class.
*
* @param class-string $className
*/
private function getShortName(string $className): string
{
if (! str_contains($className, '\\')) {
return strtolower($className);
}
$parts = explode('\\', $className);
return strtolower(end($parts));
}
/**
* Puts the `inherited` and `declared` values into mapping information for fields, associations
* and embedded classes.
*/
private function addMappingInheritanceInformation(
AssociationMapping|EmbeddedClassMapping|FieldMapping $mapping,
ClassMetadata $parentClass,
): void {
if (! isset($mapping->inherited) && ! $parentClass->isMappedSuperclass) {
$mapping->inherited = $parentClass->name;
}
if (! isset($mapping->declared)) {
$mapping->declared = $parentClass->name;
}
}
/**
* Adds inherited fields to the subclass mapping.
*/
private function addInheritedFields(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->fieldMappings as $mapping) {
$subClassMapping = clone $mapping;
$this->addMappingInheritanceInformation($subClassMapping, $parentClass);
$subClass->addInheritedFieldMapping($subClassMapping);
}
foreach ($parentClass->propertyAccessors as $name => $field) {
$subClass->propertyAccessors[$name] = $field;
}
}
/**
* Adds inherited association mappings to the subclass mapping.
*
* @throws MappingException
*/
private function addInheritedRelations(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->associationMappings as $field => $mapping) {
$subClassMapping = clone $mapping;
$this->addMappingInheritanceInformation($subClassMapping, $parentClass);
// When the class inheriting the relation ($subClass) is the first entity class since the
// relation has been defined in a mapped superclass (or in a chain
// of mapped superclasses) above, then declare this current entity class as the source of
// the relationship.
// According to the definitions given in https://github.com/doctrine/orm/pull/10396/,
// this is the case <=> ! isset($mapping['inherited']).
if (! isset($subClassMapping->inherited)) {
$subClassMapping->sourceEntity = $subClass->name;
}
$subClass->addInheritedAssociationMapping($subClassMapping);
}
}
private function addInheritedEmbeddedClasses(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->embeddedClasses as $field => $embeddedClass) {
$subClassMapping = clone $embeddedClass;
$this->addMappingInheritanceInformation($subClassMapping, $parentClass);
$subClass->embeddedClasses[$field] = $subClassMapping;
}
}
/**
* Adds nested embedded classes metadata to a parent class.
*
* @param ClassMetadata $subClass Sub embedded class metadata to add nested embedded classes metadata from.
* @param ClassMetadata $parentClass Parent class to add nested embedded classes metadata to.
* @param string $prefix Embedded classes' prefix to use for nested embedded classes field names.
*/
private function addNestedEmbeddedClasses(
ClassMetadata $subClass,
ClassMetadata $parentClass,
string $prefix,
): void {
foreach ($subClass->embeddedClasses as $property => $embeddableClass) {
if (isset($embeddableClass->inherited)) {
continue;
}
$embeddableMetadata = $this->getMetadataFor($embeddableClass->class);
$parentClass->mapEmbedded(
[
'fieldName' => $prefix . '.' . $property,
'class' => $embeddableMetadata->name,
'columnPrefix' => $embeddableClass->columnPrefix,
'declaredField' => $embeddableClass->declaredField
? $prefix . '.' . $embeddableClass->declaredField
: $prefix,
'originalField' => $embeddableClass->originalField ?: $property,
],
);
}
}
/**
* Copy the table indices from the parent class superclass to the child class
*/
private function addInheritedIndexes(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
if (! $parentClass->isMappedSuperclass) {
return;
}
foreach (['uniqueConstraints', 'indexes'] as $indexType) {
if (isset($parentClass->table[$indexType])) {
foreach ($parentClass->table[$indexType] as $indexName => $index) {
if (isset($subClass->table[$indexType][$indexName])) {
continue; // Let the inheriting table override indices
}
$subClass->table[$indexType][$indexName] = $index;
}
}
}
}
/**
* Completes the ID generator mapping. If "auto" is specified we choose the generator
* most appropriate for the targeted database platform.
*
* @throws ORMException
*/
private function completeIdGeneratorMapping(ClassMetadata $class): void
{
$idGenType = $class->generatorType;
if ($idGenType === ClassMetadata::GENERATOR_TYPE_AUTO) {
$class->setIdGeneratorType($this->determineIdGeneratorStrategy($this->getTargetPlatform()));
}
// Create & assign an appropriate ID generator instance
switch ($class->generatorType) {
case ClassMetadata::GENERATOR_TYPE_IDENTITY:
$sequenceName = null;
$fieldName = $class->identifier ? $class->getSingleIdentifierFieldName() : null;
$platform = $this->getTargetPlatform();
$generator = $fieldName && $class->fieldMappings[$fieldName]->type === 'bigint'
? new BigIntegerIdentityGenerator()
: new IdentityGenerator();
$class->setIdGenerator($generator);
break;
case ClassMetadata::GENERATOR_TYPE_SEQUENCE:
// If there is no sequence definition yet, create a default definition
$definition = $class->sequenceGeneratorDefinition;
if (! $definition) {
$fieldName = $class->getSingleIdentifierFieldName();
$sequenceName = $class->getSequenceName($this->getTargetPlatform());
$quoted = isset($class->fieldMappings[$fieldName]->quoted) || isset($class->table['quoted']);
$definition = [
'sequenceName' => $this->truncateSequenceName($sequenceName),
'allocationSize' => 1,
'initialValue' => 1,
];
if ($quoted) {
$definition['quoted'] = true;
}
$class->setSequenceGeneratorDefinition($definition);
}
$sequenceGenerator = new SequenceGenerator(
$this->em->getConfiguration()->getQuoteStrategy()->getSequenceName($definition, $class, $this->getTargetPlatform()),
(int) $definition['allocationSize'],
);
$class->setIdGenerator($sequenceGenerator);
break;
case ClassMetadata::GENERATOR_TYPE_NONE:
$class->setIdGenerator(new AssignedGenerator());
break;
case ClassMetadata::GENERATOR_TYPE_CUSTOM:
$definition = $class->customGeneratorDefinition;
if ($definition === null) {
throw InvalidCustomGenerator::onClassNotConfigured();
}
if (! class_exists($definition['class'])) {
throw InvalidCustomGenerator::onMissingClass($definition);
}
$class->setIdGenerator(new $definition['class']());
break;
default:
throw UnknownGeneratorType::create($class->generatorType);
}
}
/** @phpstan-return ClassMetadata::GENERATOR_TYPE_* */
private function determineIdGeneratorStrategy(AbstractPlatform $platform): int
{
assert($this->em !== null);
foreach ($this->em->getConfiguration()->getIdentityGenerationPreferences() as $platformFamily => $strategy) {
if (is_a($platform, $platformFamily)) {
return $strategy;
}
}
$nonIdentityDefaultStrategy = self::NON_IDENTITY_DEFAULT_STRATEGY;
// DBAL 3
if (method_exists($platform, 'getIdentitySequenceName')) {
$nonIdentityDefaultStrategy[Platforms\PostgreSQLPlatform::class] = ClassMetadata::GENERATOR_TYPE_SEQUENCE;
}
foreach ($nonIdentityDefaultStrategy as $platformFamily => $strategy) {
if (is_a($platform, $platformFamily)) {
if ($platform instanceof Platforms\PostgreSQLPlatform) {
Deprecation::trigger(
'doctrine/orm',
'https://github.com/doctrine/orm/issues/8893',
<<<'DEPRECATION'
Relying on non-optimal defaults for ID generation is deprecated, and IDENTITY
results in SERIAL, which is not recommended.
Instead, configure identifier generation strategies explicitly through
configuration.
We currently recommend "SEQUENCE" for "%s", when using DBAL 3,
and "IDENTITY" when using DBAL 4,
so you should probably use the following configuration before upgrading to DBAL 4,
and remove it after deploying that upgrade:
$configuration->setIdentityGenerationPreferences([
"%s" => ClassMetadata::GENERATOR_TYPE_SEQUENCE,
]);
DEPRECATION,
$platformFamily,
$platformFamily,
);
}
return $strategy;
}
}
return ClassMetadata::GENERATOR_TYPE_IDENTITY;
}
private function truncateSequenceName(string $schemaElementName): string
{
$platform = $this->getTargetPlatform();
if (! $platform instanceof Platforms\OraclePlatform) {
return $schemaElementName;
}
$maxIdentifierLength = $platform->getMaxIdentifierLength();
if (strlen($schemaElementName) > $maxIdentifierLength) {
return substr($schemaElementName, 0, $maxIdentifierLength);
}
return $schemaElementName;
}
/**
* Inherits the ID generator mapping from a parent class.
*/
private function inheritIdGeneratorMapping(ClassMetadata $class, ClassMetadata $parent): void
{
if ($parent->isIdGeneratorSequence()) {
$class->setSequenceGeneratorDefinition($parent->sequenceGeneratorDefinition);
}
if ($parent->generatorType) {
$class->setIdGeneratorType($parent->generatorType);
}
if ($parent->idGenerator ?? null) {
$class->setIdGenerator($parent->idGenerator);
}
}
protected function wakeupReflection(ClassMetadataInterface $class, ReflectionService $reflService): void
{
$class->wakeupReflection($reflService);
if (PHP_VERSION_ID < 80400) {
return;
}
foreach ($class->propertyAccessors as $propertyAccessor) {
$property = $propertyAccessor->getUnderlyingReflector();
if ($property->isVirtual()) {
throw MappingException::mappingVirtualPropertyNotAllowed($class->name, $property->getName());
}
}
}
protected function initializeReflection(ClassMetadataInterface $class, ReflectionService $reflService): void
{
$class->initializeReflection($reflService);
}
protected function getDriver(): MappingDriver
{
assert($this->driver !== null);
return $this->driver;
}
protected function isEntity(ClassMetadataInterface $class): bool
{
return ! $class->isMappedSuperclass;
}
private function getTargetPlatform(): Platforms\AbstractPlatform
{
if (! $this->targetPlatform) {
$this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
}
return $this->targetPlatform;
}
}

vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php line 248