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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\Id\UuidGenerator;
use Doctrine\ORM\Mapping\Exception\CannotGenerateIds;
use Doctrine\ORM\Mapping\Exception\InvalidCustomGenerator;
use Doctrine\ORM\Mapping\Exception\UnknownGeneratorType;
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 get_class;
use function in_array;
use function is_subclass_of;
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
{
/** @var EntityManagerInterface|null */
private $em;
/** @var AbstractPlatform|null */
private $targetPlatform;
/** @var MappingDriver */
private $driver;
/** @var EventManager */
private $evm;
/** @var mixed[] */
private $embeddablesActiveNesting = [];
/** @return void */
public function setEntityManager(EntityManagerInterface $em)
{
$this->em = $em;
}
/**
* {@inheritDoc}
*/
protected function initialize()
{
$this->driver = $this->em->getConfiguration()->getMetadataDriverImpl();
$this->evm = $this->em->getEventManager();
$this->initialized = true;
}
/**
* {@inheritDoc}
*/
protected function onNotFoundMetadata($className)
{
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 $classMetadata;
}
/**
* {@inheritDoc}
*/
protected function doLoadMetadata($class, $parent, $rootEntityFound, array $nonSuperclassParents)
{
if ($parent) {
$class->setInheritanceType($parent->inheritanceType);
$class->setDiscriminatorColumn($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);
$class->setLifecycleCallbacks($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 (! $class->isMappedSuperclass) {
foreach ($class->embeddedClasses as $property => $embeddableClass) {
if (isset($embeddableClass['inherited'])) {
continue;
}
if (! (isset($embeddableClass['class']) && $embeddableClass['class'])) {
throw MappingException::missingEmbeddedClass($property);
}
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->namedQueries)) {
$this->addInheritedNamedQueries($class, $parent);
}
if (! empty($parent->namedNativeQueries)) {
$this->addInheritedNamedNativeQueries($class, $parent);
}
if (! empty($parent->sqlResultSetMappings)) {
$this->addInheritedSqlResultSetMappings($class, $parent);
}
if (! empty($parent->entityListeners) && empty($class->entityListeners)) {
$class->entityListeners = $parent->entityListeners;
}
}
$class->setParentClasses($nonSuperclassParents);
if ($class->isRootEntity() && ! $class->isInheritanceTypeNone() && ! $class->discriminatorMap) {
$this->addDefaultDiscriminatorMap($class);
}
if ($this->evm->hasListeners(Events::loadClassMetadata)) {
$eventArgs = new LoadClassMetadataEventArgs($class, $this->em);
$this->evm->dispatchEvent(Events::loadClassMetadata, $eventArgs);
}
if ($class->changeTrackingPolicy === ClassMetadata::CHANGETRACKING_NOTIFY) {
Deprecation::trigger(
'doctrine/orm',
'https://github.com/doctrine/orm/issues/8383',
'NOTIFY Change Tracking policy used in "%s" is deprecated, use deferred explicit instead.',
$class->name
);
}
$this->validateRuntimeMetadata($class, $parent);
}
/**
* Validate runtime metadata is correctly defined.
*
* @param ClassMetadata $class
* @param ClassMetadataInterface|null $parent
*
* @return void
*
* @throws MappingException
*/
protected function validateRuntimeMetadata($class, $parent)
{
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 ClassMetadataInfo); // 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);
}
}
/**
* {@inheritDoc}
*/
protected function newClassMetadataInstance($className)
{
return new ClassMetadata($className, $this->em->getConfiguration()->getNamingStrategy());
}
/**
* 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);
}
/**
* 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));
}
/**
* Adds inherited fields to the subclass mapping.
*/
private function addInheritedFields(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->fieldMappings as $mapping) {
if (! isset($mapping['inherited']) && ! $parentClass->isMappedSuperclass) {
$mapping['inherited'] = $parentClass->name;
}
if (! isset($mapping['declared'])) {
$mapping['declared'] = $parentClass->name;
}
$subClass->addInheritedFieldMapping($mapping);
}
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 => $mapping) {
if ($parentClass->isMappedSuperclass) {
if ($mapping['type'] & ClassMetadata::TO_MANY && ! $mapping['isOwningSide']) {
throw MappingException::illegalToManyAssociationOnMappedSuperclass($parentClass->name, $field);
}
$mapping['sourceEntity'] = $subClass->name;
}
//$subclassMapping = $mapping;
if (! isset($mapping['inherited']) && ! $parentClass->isMappedSuperclass) {
$mapping['inherited'] = $parentClass->name;
}
if (! isset($mapping['declared'])) {
$mapping['declared'] = $parentClass->name;
}
$subClass->addInheritedAssociationMapping($mapping);
}
}
private function addInheritedEmbeddedClasses(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->embeddedClasses as $field => $embeddedClass) {
if (! isset($embeddedClass['inherited']) && ! $parentClass->isMappedSuperclass) {
$embeddedClass['inherited'] = $parentClass->name;
}
if (! isset($embeddedClass['declared'])) {
$embeddedClass['declared'] = $parentClass->name;
}
$subClass->embeddedClasses[$field] = $embeddedClass;
}
}
/**
* 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;
}
}
}
}
/**
* Adds inherited named queries to the subclass mapping.
*/
private function addInheritedNamedQueries(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->namedQueries as $name => $query) {
if (! isset($subClass->namedQueries[$name])) {
$subClass->addNamedQuery(
[
'name' => $query['name'],
'query' => $query['query'],
]
);
}
}
}
/**
* Adds inherited named native queries to the subclass mapping.
*/
private function addInheritedNamedNativeQueries(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->namedNativeQueries as $name => $query) {
if (! isset($subClass->namedNativeQueries[$name])) {
$subClass->addNamedNativeQuery(
[
'name' => $query['name'],
'query' => $query['query'],
'isSelfClass' => $query['isSelfClass'],
'resultSetMapping' => $query['resultSetMapping'],
'resultClass' => $query['isSelfClass'] ? $subClass->name : $query['resultClass'],
]
);
}
}
}
/**
* Adds inherited sql result set mappings to the subclass mapping.
*/
private function addInheritedSqlResultSetMappings(ClassMetadata $subClass, ClassMetadata $parentClass): void
{
foreach ($parentClass->sqlResultSetMappings as $name => $mapping) {
if (! isset($subClass->sqlResultSetMappings[$name])) {
$entities = [];
foreach ($mapping['entities'] as $entity) {
$entities[] = [
'fields' => $entity['fields'],
'isSelfClass' => $entity['isSelfClass'],
'discriminatorColumn' => $entity['discriminatorColumn'],
'entityClass' => $entity['isSelfClass'] ? $subClass->name : $entity['entityClass'],
];
}
$subClass->addSqlResultSetMapping(
[
'name' => $mapping['name'],
'columns' => $mapping['columns'],
'entities' => $entities,
]
);
}
}
}
/**
* 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(ClassMetadataInfo $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 ? $class->getSingleIdentifierFieldName() : null;
// Platforms that do not have native IDENTITY support need a sequence to emulate this behaviour.
if ($this->getTargetPlatform()->usesSequenceEmulatedIdentityColumns()) {
Deprecation::trigger(
'doctrine/orm',
'https://github.com/doctrine/orm/issues/8850',
<<<'DEPRECATION'
Context: Loading metadata for class %s
Problem: Using the IDENTITY generator strategy with platform "%s" is deprecated and will not be possible in Doctrine ORM 3.0.
Solution: Use the SEQUENCE generator strategy instead.
DEPRECATION
,
$class->name,
get_class($this->getTargetPlatform())
);
$columnName = $class->getSingleIdentifierColumnName();
$quoted = isset($class->fieldMappings[$fieldName]['quoted']) || isset($class->table['quoted']);
$sequencePrefix = $class->getSequencePrefix($this->getTargetPlatform());
$sequenceName = $this->getTargetPlatform()->getIdentitySequenceName($sequencePrefix, $columnName);
$definition = [
'sequenceName' => $this->truncateSequenceName($sequenceName),
];
if ($quoted) {
$definition['quoted'] = true;
}
$sequenceName = $this
->em
->getConfiguration()
->getQuoteStrategy()
->getSequenceName($definition, $class, $this->getTargetPlatform());
}
$generator = $fieldName && $class->fieldMappings[$fieldName]['type'] === 'bigint'
? new BigIntegerIdentityGenerator($sequenceName)
: new IdentityGenerator($sequenceName);
$class->setIdGenerator($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_UUID:
Deprecation::trigger(
'doctrine/orm',
'https://github.com/doctrine/orm/issues/7312',
'Mapping for %s: the "UUID" id generator strategy is deprecated with no replacement',
$class->name
);
$class->setIdGenerator(new UuidGenerator());
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_SEQUENCE|ClassMetadata::GENERATOR_TYPE_IDENTITY */
private function determineIdGeneratorStrategy(AbstractPlatform $platform): int
{
if (
$platform instanceof Platforms\OraclePlatform
|| $platform instanceof Platforms\PostgreSQLPlatform
) {
return ClassMetadata::GENERATOR_TYPE_SEQUENCE;
}
if ($platform->supportsIdentityColumns()) {
return ClassMetadata::GENERATOR_TYPE_IDENTITY;
}
if ($platform->supportsSequences()) {
return ClassMetadata::GENERATOR_TYPE_SEQUENCE;
}
throw CannotGenerateIds::withPlatform($platform);
}
private function truncateSequenceName(string $schemaElementName): string
{
$platform = $this->getTargetPlatform();
if (! $platform instanceof Platforms\OraclePlatform && ! $platform instanceof Platforms\SQLAnywherePlatform) {
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(ClassMetadataInfo $class, ClassMetadataInfo $parent): void
{
if ($parent->isIdGeneratorSequence()) {
$class->setSequenceGeneratorDefinition($parent->sequenceGeneratorDefinition);
}
if ($parent->generatorType) {
$class->setIdGeneratorType($parent->generatorType);
}
if ($parent->idGenerator) {
$class->setIdGenerator($parent->idGenerator);
}
}
/**
* {@inheritDoc}
*/
protected function wakeupReflection(ClassMetadataInterface $class, ReflectionService $reflService)
{
assert($class instanceof ClassMetadata);
$class->wakeupReflection($reflService);
}
/**
* {@inheritDoc}
*/
protected function initializeReflection(ClassMetadataInterface $class, ReflectionService $reflService)
{
assert($class instanceof ClassMetadata);
$class->initializeReflection($reflService);
}
/**
* @deprecated This method will be removed in ORM 3.0.
*
* @return class-string
*/
protected function getFqcnFromAlias($namespaceAlias, $simpleClassName)
{
/** @psalm-var class-string */
return $this->em->getConfiguration()->getEntityNamespace($namespaceAlias) . '\\' . $simpleClassName;
}
/**
* {@inheritDoc}
*/
protected function getDriver()
{
return $this->driver;
}
/**
* {@inheritDoc}
*/
protected function isEntity(ClassMetadataInterface $class)
{
return ! $class->isMappedSuperclass;
}
private function getTargetPlatform(): Platforms\AbstractPlatform
{
if (! $this->targetPlatform) {
$this->targetPlatform = $this->em->getConnection()->getDatabasePlatform();
}
return $this->targetPlatform;
}
}

vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataFactory.php line 219