VERSION 0.2 doctrine ORM et entités

1 files changed, 729 insertions, 0 deletions

diff --git a/vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php b/vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php
new file mode 100644
index 0000000..a3a4701
--- /dev/null
+++ b/vendor/doctrine/orm/src/Mapping/ClassMetadataFactory.php
@@ -0,0 +1,729 @@
+<?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;
+
+/**
+ * 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
+    {
+        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.
+     *
+     * @psalm-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->reflFields as $name => $field) {
+            $subClass->reflFields[$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);
+        }
+    }
+
+    /** @psalm-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);
+    }
+
+    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;
+    }
+}