vendor/doctrine/orm/src/UnitOfWork.php line 3011
<?phpdeclare(strict_types=1);namespace Doctrine\ORM;use BackedEnum;use DateTimeInterface;use Doctrine\Common\Collections\ArrayCollection;use Doctrine\Common\Collections\Collection;use Doctrine\Common\EventManager;use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;use Doctrine\DBAL\LockMode;use Doctrine\Deprecations\Deprecation;use Doctrine\ORM\Cache\Persister\CachedPersister;use Doctrine\ORM\Event\ListenersInvoker;use Doctrine\ORM\Event\OnFlushEventArgs;use Doctrine\ORM\Event\PostFlushEventArgs;use Doctrine\ORM\Event\PostPersistEventArgs;use Doctrine\ORM\Event\PostRemoveEventArgs;use Doctrine\ORM\Event\PostUpdateEventArgs;use Doctrine\ORM\Event\PreFlushEventArgs;use Doctrine\ORM\Event\PrePersistEventArgs;use Doctrine\ORM\Event\PreRemoveEventArgs;use Doctrine\ORM\Event\PreUpdateEventArgs;use Doctrine\ORM\Exception\EntityIdentityCollisionException;use Doctrine\ORM\Exception\ORMException;use Doctrine\ORM\Exception\UnexpectedAssociationValue;use Doctrine\ORM\Id\AssignedGenerator;use Doctrine\ORM\Internal\HydrationCompleteHandler;use Doctrine\ORM\Internal\StronglyConnectedComponents;use Doctrine\ORM\Internal\TopologicalSort;use Doctrine\ORM\Mapping\ClassMetadata;use Doctrine\ORM\Mapping\MappingException;use Doctrine\ORM\Mapping\Reflection\ReflectionPropertiesGetter;use Doctrine\ORM\Persisters\Collection\CollectionPersister;use Doctrine\ORM\Persisters\Collection\ManyToManyPersister;use Doctrine\ORM\Persisters\Collection\OneToManyPersister;use Doctrine\ORM\Persisters\Entity\BasicEntityPersister;use Doctrine\ORM\Persisters\Entity\EntityPersister;use Doctrine\ORM\Persisters\Entity\JoinedSubclassPersister;use Doctrine\ORM\Persisters\Entity\SingleTablePersister;use Doctrine\ORM\Proxy\InternalProxy;use Doctrine\ORM\Utility\IdentifierFlattener;use Doctrine\Persistence\Mapping\RuntimeReflectionService;use Doctrine\Persistence\NotifyPropertyChanged;use Doctrine\Persistence\ObjectManagerAware;use Doctrine\Persistence\PropertyChangedListener;use Exception;use InvalidArgumentException;use RuntimeException;use Throwable;use UnexpectedValueException;use function array_chunk;use function array_combine;use function array_diff_key;use function array_filter;use function array_key_exists;use function array_map;use function array_merge;use function array_sum;use function array_values;use function assert;use function current;use function func_get_arg;use function func_num_args;use function get_class;use function get_debug_type;use function implode;use function in_array;use function is_array;use function is_object;use function method_exists;use function reset;use function spl_object_id;use function sprintf;use function strtolower;/*** The UnitOfWork is responsible for tracking changes to objects during an* "object-level" transaction and for writing out changes to the database* in the correct order.** Internal note: This class contains highly performance-sensitive code.** @psalm-import-type AssociationMapping from ClassMetadata*/class UnitOfWork implements PropertyChangedListener{/*** An entity is in MANAGED state when its persistence is managed by an EntityManager.*/public const STATE_MANAGED = 1;/*** An entity is new if it has just been instantiated (i.e. using the "new" operator)* and is not (yet) managed by an EntityManager.*/public const STATE_NEW = 2;/*** A detached entity is an instance with persistent state and identity that is not* (or no longer) associated with an EntityManager (and a UnitOfWork).*/public const STATE_DETACHED = 3;/*** A removed entity instance is an instance with a persistent identity,* associated with an EntityManager, whose persistent state will be deleted* on commit.*/public const STATE_REMOVED = 4;/*** Hint used to collect all primary keys of associated entities during hydration* and execute it in a dedicated query afterwards** @see https://www.doctrine-project.org/projects/doctrine-orm/en/stable/reference/dql-doctrine-query-language.html#temporarily-change-fetch-mode-in-dql*/public const HINT_DEFEREAGERLOAD = 'deferEagerLoad';/*** The identity map that holds references to all managed entities that have* an identity. The entities are grouped by their class name.* Since all classes in a hierarchy must share the same identifier set,* we always take the root class name of the hierarchy.** @var mixed[]* @psalm-var array<class-string, array<string, object>>*/private $identityMap = [];/*** Map of all identifiers of managed entities.* Keys are object ids (spl_object_id).** @var mixed[]* @psalm-var array<int, array<string, mixed>>*/private $entityIdentifiers = [];/*** Map of the original entity data of managed entities.* Keys are object ids (spl_object_id). This is used for calculating changesets* at commit time.** Internal note: Note that PHPs "copy-on-write" behavior helps a lot with memory usage.* A value will only really be copied if the value in the entity is modified* by the user.** @psalm-var array<int, array<string, mixed>>*/private $originalEntityData = [];/*** Map of entity changes. Keys are object ids (spl_object_id).* Filled at the beginning of a commit of the UnitOfWork and cleaned at the end.** @psalm-var array<int, array<string, array{mixed, mixed}>>*/private $entityChangeSets = [];/*** The (cached) states of any known entities.* Keys are object ids (spl_object_id).** @psalm-var array<int, self::STATE_*>*/private $entityStates = [];/*** Map of entities that are scheduled for dirty checking at commit time.* This is only used for entities with a change tracking policy of DEFERRED_EXPLICIT.* Keys are object ids (spl_object_id).** @psalm-var array<class-string, array<int, mixed>>*/private $scheduledForSynchronization = [];/*** A list of all pending entity insertions.** @psalm-var array<int, object>*/private $entityInsertions = [];/*** A list of all pending entity updates.** @psalm-var array<int, object>*/private $entityUpdates = [];/*** Any pending extra updates that have been scheduled by persisters.** @psalm-var array<int, array{object, array<string, array{mixed, mixed}>}>*/private $extraUpdates = [];/*** A list of all pending entity deletions.** @psalm-var array<int, object>*/private $entityDeletions = [];/*** New entities that were discovered through relationships that were not* marked as cascade-persist. During flush, this array is populated and* then pruned of any entities that were discovered through a valid* cascade-persist path. (Leftovers cause an error.)** Keys are OIDs, payload is a two-item array describing the association* and the entity.** @var array<int, array{AssociationMapping, object}> indexed by respective object spl_object_id()*/private $nonCascadedNewDetectedEntities = [];/*** All pending collection deletions.** @psalm-var array<int, PersistentCollection<array-key, object>>*/private $collectionDeletions = [];/*** All pending collection updates.** @psalm-var array<int, PersistentCollection<array-key, object>>*/private $collectionUpdates = [];/*** List of collections visited during changeset calculation on a commit-phase of a UnitOfWork.* At the end of the UnitOfWork all these collections will make new snapshots* of their data.** @psalm-var array<int, PersistentCollection<array-key, object>>*/private $visitedCollections = [];/*** List of collections visited during the changeset calculation that contain to-be-removed* entities and need to have keys removed post commit.** Indexed by Collection object ID, which also serves as the key in self::$visitedCollections;* values are the key names that need to be removed.** @psalm-var array<int, array<array-key, true>>*/private $pendingCollectionElementRemovals = [];/*** The EntityManager that "owns" this UnitOfWork instance.** @var EntityManagerInterface*/private $em;/*** The entity persister instances used to persist entity instances.** @psalm-var array<string, EntityPersister>*/private $persisters = [];/*** The collection persister instances used to persist collections.** @psalm-var array<array-key, CollectionPersister>*/private $collectionPersisters = [];/*** The EventManager used for dispatching events.** @var EventManager*/private $evm;/*** The ListenersInvoker used for dispatching events.** @var ListenersInvoker*/private $listenersInvoker;/*** The IdentifierFlattener used for manipulating identifiers** @var IdentifierFlattener*/private $identifierFlattener;/*** Orphaned entities that are scheduled for removal.** @psalm-var array<int, object>*/private $orphanRemovals = [];/*** Read-Only objects are never evaluated** @var array<int, true>*/private $readOnlyObjects = [];/*** Map of Entity Class-Names and corresponding IDs that should eager loaded when requested.** @psalm-var array<class-string, array<string, mixed>>*/private $eagerLoadingEntities = [];/** @var array<string, array<string, mixed>> */private $eagerLoadingCollections = [];/** @var bool */protected $hasCache = false;/*** Helper for handling completion of hydration** @var HydrationCompleteHandler*/private $hydrationCompleteHandler;/** @var ReflectionPropertiesGetter */private $reflectionPropertiesGetter;/*** Initializes a new UnitOfWork instance, bound to the given EntityManager.*/public function __construct(EntityManagerInterface $em){$this->em = $em;$this->evm = $em->getEventManager();$this->listenersInvoker = new ListenersInvoker($em);$this->hasCache = $em->getConfiguration()->isSecondLevelCacheEnabled();$this->identifierFlattener = new IdentifierFlattener($this, $em->getMetadataFactory());$this->hydrationCompleteHandler = new HydrationCompleteHandler($this->listenersInvoker, $em);$this->reflectionPropertiesGetter = new ReflectionPropertiesGetter(new RuntimeReflectionService());}/*** Commits the UnitOfWork, executing all operations that have been postponed* up to this point. The state of all managed entities will be synchronized with* the database.** The operations are executed in the following order:** 1) All entity insertions* 2) All entity updates* 3) All collection deletions* 4) All collection updates* 5) All entity deletions** @param object|mixed[]|null $entity** @return void** @throws Exception*/public function commit($entity = null){if ($entity !== null) {Deprecation::triggerIfCalledFromOutside('doctrine/orm','https://github.com/doctrine/orm/issues/8459','Calling %s() with any arguments to commit specific entities is deprecated and will not be supported in Doctrine ORM 3.0.',__METHOD__);}$connection = $this->em->getConnection();if ($connection instanceof PrimaryReadReplicaConnection) {$connection->ensureConnectedToPrimary();}// Raise preFlushif ($this->evm->hasListeners(Events::preFlush)) {$this->evm->dispatchEvent(Events::preFlush, new PreFlushEventArgs($this->em));}// Compute changes done since last commit.if ($entity === null) {$this->computeChangeSets();} elseif (is_object($entity)) {$this->computeSingleEntityChangeSet($entity);} elseif (is_array($entity)) {foreach ($entity as $object) {$this->computeSingleEntityChangeSet($object);}}if (! ($this->entityInsertions ||$this->entityDeletions ||$this->entityUpdates ||$this->collectionUpdates ||$this->collectionDeletions ||$this->orphanRemovals)) {$this->dispatchOnFlushEvent();$this->dispatchPostFlushEvent();$this->postCommitCleanup($entity);return; // Nothing to do.}$this->assertThatThereAreNoUnintentionallyNonPersistedAssociations();if ($this->orphanRemovals) {foreach ($this->orphanRemovals as $orphan) {$this->remove($orphan);}}$this->dispatchOnFlushEvent();$conn = $this->em->getConnection();$conn->beginTransaction();try {// Collection deletions (deletions of complete collections)foreach ($this->collectionDeletions as $collectionToDelete) {// Deferred explicit tracked collections can be removed only when owning relation was persisted$owner = $collectionToDelete->getOwner();if ($this->em->getClassMetadata(get_class($owner))->isChangeTrackingDeferredImplicit() || $this->isScheduledForDirtyCheck($owner)) {$this->getCollectionPersister($collectionToDelete->getMapping())->delete($collectionToDelete);}}if ($this->entityInsertions) {// Perform entity insertions first, so that all new entities have their rows in the database// and can be referred to by foreign keys. The commit order only needs to take new entities// into account (new entities referring to other new entities), since all other types (entities// with updates or scheduled deletions) are currently not a problem, since they are already// in the database.$this->executeInserts();}if ($this->entityUpdates) {// Updates do not need to follow a particular order$this->executeUpdates();}// Extra updates that were requested by persisters.// This may include foreign keys that could not be set when an entity was inserted,// which may happen in the case of circular foreign key relationships.if ($this->extraUpdates) {$this->executeExtraUpdates();}// Collection updates (deleteRows, updateRows, insertRows)// No particular order is necessary, since all entities themselves are already// in the databaseforeach ($this->collectionUpdates as $collectionToUpdate) {$this->getCollectionPersister($collectionToUpdate->getMapping())->update($collectionToUpdate);}// Entity deletions come last. Their order only needs to take care of other deletions// (first delete entities depending upon others, before deleting depended-upon entities).if ($this->entityDeletions) {$this->executeDeletions();}// Commit failed silentlyif ($conn->commit() === false) {$object = is_object($entity) ? $entity : null;throw new OptimisticLockException('Commit failed', $object);}} catch (Throwable $e) {$this->em->close();if ($conn->isTransactionActive()) {$conn->rollBack();}$this->afterTransactionRolledBack();throw $e;}$this->afterTransactionComplete();// Unset removed entities from collections, and take new snapshots from// all visited collections.foreach ($this->visitedCollections as $coid => $coll) {if (isset($this->pendingCollectionElementRemovals[$coid])) {foreach ($this->pendingCollectionElementRemovals[$coid] as $key => $valueIgnored) {unset($coll[$key]);}}$coll->takeSnapshot();}$this->dispatchPostFlushEvent();$this->postCommitCleanup($entity);}/** @param object|object[]|null $entity */private function postCommitCleanup($entity): void{$this->entityInsertions =$this->entityUpdates =$this->entityDeletions =$this->extraUpdates =$this->collectionUpdates =$this->nonCascadedNewDetectedEntities =$this->collectionDeletions =$this->pendingCollectionElementRemovals =$this->visitedCollections =$this->orphanRemovals = [];if ($entity === null) {$this->entityChangeSets = $this->scheduledForSynchronization = [];return;}$entities = is_object($entity)? [$entity]: $entity;foreach ($entities as $object) {$oid = spl_object_id($object);$this->clearEntityChangeSet($oid);unset($this->scheduledForSynchronization[$this->em->getClassMetadata(get_class($object))->rootEntityName][$oid]);}}/*** Computes the changesets of all entities scheduled for insertion.*/private function computeScheduleInsertsChangeSets(): void{foreach ($this->entityInsertions as $entity) {$class = $this->em->getClassMetadata(get_class($entity));$this->computeChangeSet($class, $entity);}}/*** Only flushes the given entity according to a ruleset that keeps the UoW consistent.** 1. All entities scheduled for insertion, (orphan) removals and changes in collections are processed as well!* 2. Read Only entities are skipped.* 3. Proxies are skipped.* 4. Only if entity is properly managed.** @param object $entity** @throws InvalidArgumentException*/private function computeSingleEntityChangeSet($entity): void{$state = $this->getEntityState($entity);if ($state !== self::STATE_MANAGED && $state !== self::STATE_REMOVED) {throw new InvalidArgumentException('Entity has to be managed or scheduled for removal for single computation ' . self::objToStr($entity));}$class = $this->em->getClassMetadata(get_class($entity));if ($state === self::STATE_MANAGED && $class->isChangeTrackingDeferredImplicit()) {$this->persist($entity);}// Compute changes for INSERTed entities first. This must always happen even in this case.$this->computeScheduleInsertsChangeSets();if ($class->isReadOnly) {return;}// Ignore uninitialized proxy objectsif ($this->isUninitializedObject($entity)) {return;}// Only MANAGED entities that are NOT SCHEDULED FOR INSERTION OR DELETION are processed here.$oid = spl_object_id($entity);if (! isset($this->entityInsertions[$oid]) && ! isset($this->entityDeletions[$oid]) && isset($this->entityStates[$oid])) {$this->computeChangeSet($class, $entity);}}/*** Executes any extra updates that have been scheduled.*/private function executeExtraUpdates(): void{foreach ($this->extraUpdates as $oid => $update) {[$entity, $changeset] = $update;$this->entityChangeSets[$oid] = $changeset;$this->getEntityPersister(get_class($entity))->update($entity);}$this->extraUpdates = [];}/*** Gets the changeset for an entity.** @param object $entity** @return mixed[][]* @psalm-return array<string, array{mixed, mixed}|PersistentCollection>*/public function & getEntityChangeSet($entity){$oid = spl_object_id($entity);$data = [];if (! isset($this->entityChangeSets[$oid])) {return $data;}return $this->entityChangeSets[$oid];}/*** Computes the changes that happened to a single entity.** Modifies/populates the following properties:** {@link _originalEntityData}* If the entity is NEW or MANAGED but not yet fully persisted (only has an id)* then it was not fetched from the database and therefore we have no original* entity data yet. All of the current entity data is stored as the original entity data.** {@link _entityChangeSets}* The changes detected on all properties of the entity are stored there.* A change is a tuple array where the first entry is the old value and the second* entry is the new value of the property. Changesets are used by persisters* to INSERT/UPDATE the persistent entity state.** {@link _entityUpdates}* If the entity is already fully MANAGED (has been fetched from the database before)* and any changes to its properties are detected, then a reference to the entity is stored* there to mark it for an update.** {@link _collectionDeletions}* If a PersistentCollection has been de-referenced in a fully MANAGED entity,* then this collection is marked for deletion.** @param ClassMetadata $class The class descriptor of the entity.* @param object $entity The entity for which to compute the changes.* @psalm-param ClassMetadata<T> $class* @psalm-param T $entity** @return void** @template T of object** @ignore*/public function computeChangeSet(ClassMetadata $class, $entity){$oid = spl_object_id($entity);if (isset($this->readOnlyObjects[$oid])) {return;}if (! $class->isInheritanceTypeNone()) {$class = $this->em->getClassMetadata(get_class($entity));}$invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::preFlush) & ~ListenersInvoker::INVOKE_MANAGER;if ($invoke !== ListenersInvoker::INVOKE_NONE) {$this->listenersInvoker->invoke($class, Events::preFlush, $entity, new PreFlushEventArgs($this->em), $invoke);}$actualData = [];foreach ($class->reflFields as $name => $refProp) {$value = $refProp->getValue($entity);if ($class->isCollectionValuedAssociation($name) && $value !== null) {if ($value instanceof PersistentCollection) {if ($value->getOwner() === $entity) {$actualData[$name] = $value;continue;}$value = new ArrayCollection($value->getValues());}// If $value is not a Collection then use an ArrayCollection.if (! $value instanceof Collection) {$value = new ArrayCollection($value);}$assoc = $class->associationMappings[$name];// Inject PersistentCollection$value = new PersistentCollection($this->em,$this->em->getClassMetadata($assoc['targetEntity']),$value);$value->setOwner($entity, $assoc);$value->setDirty(! $value->isEmpty());$refProp->setValue($entity, $value);$actualData[$name] = $value;continue;}if (( ! $class->isIdentifier($name) || ! $class->isIdGeneratorIdentity()) && ($name !== $class->versionField)) {$actualData[$name] = $value;}}if (! isset($this->originalEntityData[$oid])) {// Entity is either NEW or MANAGED but not yet fully persisted (only has an id).// These result in an INSERT.$this->originalEntityData[$oid] = $actualData;$changeSet = [];foreach ($actualData as $propName => $actualValue) {if (! isset($class->associationMappings[$propName])) {$changeSet[$propName] = [null, $actualValue];continue;}$assoc = $class->associationMappings[$propName];if ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE) {$changeSet[$propName] = [null, $actualValue];}}$this->entityChangeSets[$oid] = $changeSet;} else {// Entity is "fully" MANAGED: it was already fully persisted before// and we have a copy of the original data$originalData = $this->originalEntityData[$oid];$isChangeTrackingNotify = $class->isChangeTrackingNotify();$changeSet = $isChangeTrackingNotify && isset($this->entityChangeSets[$oid])? $this->entityChangeSets[$oid]: [];foreach ($actualData as $propName => $actualValue) {// skip field, its a partially omitted one!if (! (isset($originalData[$propName]) || array_key_exists($propName, $originalData))) {continue;}$orgValue = $originalData[$propName];if (! empty($class->fieldMappings[$propName]['enumType'])) {if (is_array($orgValue)) {foreach ($orgValue as $id => $val) {if ($val instanceof BackedEnum) {$orgValue[$id] = $val->value;}}} else {if ($orgValue instanceof BackedEnum) {$orgValue = $orgValue->value;}}}// skip if value haven't changedif ($orgValue === $actualValue) {continue;}// if regular fieldif (! isset($class->associationMappings[$propName])) {if ($isChangeTrackingNotify) {continue;}$changeSet[$propName] = [$orgValue, $actualValue];continue;}$assoc = $class->associationMappings[$propName];// Persistent collection was exchanged with the "originally"// created one. This can only mean it was cloned and replaced// on another entity.if ($actualValue instanceof PersistentCollection) {$owner = $actualValue->getOwner();if ($owner === null) { // cloned$actualValue->setOwner($entity, $assoc);} elseif ($owner !== $entity) { // no clone, we have to fixif (! $actualValue->isInitialized()) {$actualValue->initialize(); // we have to do this otherwise the cols share state}$newValue = clone $actualValue;$newValue->setOwner($entity, $assoc);$class->reflFields[$propName]->setValue($entity, $newValue);}}if ($orgValue instanceof PersistentCollection) {// A PersistentCollection was de-referenced, so delete it.$coid = spl_object_id($orgValue);if (isset($this->collectionDeletions[$coid])) {continue;}$this->collectionDeletions[$coid] = $orgValue;$changeSet[$propName] = $orgValue; // Signal changeset, to-many assocs will be ignored.continue;}if ($assoc['type'] & ClassMetadata::TO_ONE) {if ($assoc['isOwningSide']) {$changeSet[$propName] = [$orgValue, $actualValue];}if ($orgValue !== null && $assoc['orphanRemoval']) {assert(is_object($orgValue));$this->scheduleOrphanRemoval($orgValue);}}}if ($changeSet) {$this->entityChangeSets[$oid] = $changeSet;$this->originalEntityData[$oid] = $actualData;$this->entityUpdates[$oid] = $entity;}}// Look for changes in associations of the entityforeach ($class->associationMappings as $field => $assoc) {$val = $class->reflFields[$field]->getValue($entity);if ($val === null) {continue;}$this->computeAssociationChanges($assoc, $val);if (! isset($this->entityChangeSets[$oid]) &&$assoc['isOwningSide'] &&$assoc['type'] === ClassMetadata::MANY_TO_MANY &&$val instanceof PersistentCollection &&$val->isDirty()) {$this->entityChangeSets[$oid] = [];$this->originalEntityData[$oid] = $actualData;$this->entityUpdates[$oid] = $entity;}}}/*** Computes all the changes that have been done to entities and collections* since the last commit and stores these changes in the _entityChangeSet map* temporarily for access by the persisters, until the UoW commit is finished.** @return void*/public function computeChangeSets(){// Compute changes for INSERTed entities first. This must always happen.$this->computeScheduleInsertsChangeSets();// Compute changes for other MANAGED entities. Change tracking policies take effect here.foreach ($this->identityMap as $className => $entities) {$class = $this->em->getClassMetadata($className);// Skip class if instances are read-onlyif ($class->isReadOnly) {continue;}// If change tracking is explicit or happens through notification, then only compute// changes on entities of that type that are explicitly marked for synchronization.switch (true) {case $class->isChangeTrackingDeferredImplicit():$entitiesToProcess = $entities;break;case isset($this->scheduledForSynchronization[$className]):$entitiesToProcess = $this->scheduledForSynchronization[$className];break;default:$entitiesToProcess = [];}foreach ($entitiesToProcess as $entity) {// Ignore uninitialized proxy objectsif ($this->isUninitializedObject($entity)) {continue;}// Only MANAGED entities that are NOT SCHEDULED FOR INSERTION OR DELETION are processed here.$oid = spl_object_id($entity);if (! isset($this->entityInsertions[$oid]) && ! isset($this->entityDeletions[$oid]) && isset($this->entityStates[$oid])) {$this->computeChangeSet($class, $entity);}}}}/*** Computes the changes of an association.** @param mixed $value The value of the association.* @psalm-param AssociationMapping $assoc The association mapping.** @throws ORMInvalidArgumentException* @throws ORMException*/private function computeAssociationChanges(array $assoc, $value): void{if ($this->isUninitializedObject($value)) {return;}// If this collection is dirty, schedule it for updatesif ($value instanceof PersistentCollection && $value->isDirty()) {$coid = spl_object_id($value);$this->collectionUpdates[$coid] = $value;$this->visitedCollections[$coid] = $value;}// Look through the entities, and in any of their associations,// for transient (new) entities, recursively. ("Persistence by reachability")// Unwrap. Uninitialized collections will simply be empty.$unwrappedValue = $assoc['type'] & ClassMetadata::TO_ONE ? [$value] : $value->unwrap();$targetClass = $this->em->getClassMetadata($assoc['targetEntity']);foreach ($unwrappedValue as $key => $entry) {if (! ($entry instanceof $targetClass->name)) {throw ORMInvalidArgumentException::invalidAssociation($targetClass, $assoc, $entry);}$state = $this->getEntityState($entry, self::STATE_NEW);if (! ($entry instanceof $assoc['targetEntity'])) {throw UnexpectedAssociationValue::create($assoc['sourceEntity'],$assoc['fieldName'],get_debug_type($entry),$assoc['targetEntity']);}switch ($state) {case self::STATE_NEW:if (! $assoc['isCascadePersist']) {/** For now just record the details, because this may* not be an issue if we later discover another pathway* through the object-graph where cascade-persistence* is enabled for this object.*/$this->nonCascadedNewDetectedEntities[spl_object_id($entry)] = [$assoc, $entry];break;}$this->persistNew($targetClass, $entry);$this->computeChangeSet($targetClass, $entry);break;case self::STATE_REMOVED:// Consume the $value as array (it's either an array or an ArrayAccess)// and remove the element from Collection.if (! ($assoc['type'] & ClassMetadata::TO_MANY)) {break;}$coid = spl_object_id($value);$this->visitedCollections[$coid] = $value;if (! isset($this->pendingCollectionElementRemovals[$coid])) {$this->pendingCollectionElementRemovals[$coid] = [];}$this->pendingCollectionElementRemovals[$coid][$key] = true;break;case self::STATE_DETACHED:// Can actually not happen right now as we assume STATE_NEW,// so the exception will be raised from the DBAL layer (constraint violation).throw ORMInvalidArgumentException::detachedEntityFoundThroughRelationship($assoc, $entry);default:// MANAGED associated entities are already taken into account// during changeset calculation anyway, since they are in the identity map.}}}/*** @param object $entity* @psalm-param ClassMetadata<T> $class* @psalm-param T $entity** @template T of object*/private function persistNew(ClassMetadata $class, $entity): void{$oid = spl_object_id($entity);$invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::prePersist);if ($invoke !== ListenersInvoker::INVOKE_NONE) {$this->listenersInvoker->invoke($class, Events::prePersist, $entity, new PrePersistEventArgs($entity, $this->em), $invoke);}$idGen = $class->idGenerator;if (! $idGen->isPostInsertGenerator()) {$idValue = $idGen->generateId($this->em, $entity);if (! $idGen instanceof AssignedGenerator) {$idValue = [$class->getSingleIdentifierFieldName() => $this->convertSingleFieldIdentifierToPHPValue($class, $idValue)];$class->setIdentifierValues($entity, $idValue);}// Some identifiers may be foreign keys to new entities.// In this case, we don't have the value yet and should treat it as if we have a post-insert generatorif (! $this->hasMissingIdsWhichAreForeignKeys($class, $idValue)) {$this->entityIdentifiers[$oid] = $idValue;}}$this->entityStates[$oid] = self::STATE_MANAGED;$this->scheduleForInsert($entity);}/** @param mixed[] $idValue */private function hasMissingIdsWhichAreForeignKeys(ClassMetadata $class, array $idValue): bool{foreach ($idValue as $idField => $idFieldValue) {if ($idFieldValue === null && isset($class->associationMappings[$idField])) {return true;}}return false;}/*** INTERNAL:* Computes the changeset of an individual entity, independently of the* computeChangeSets() routine that is used at the beginning of a UnitOfWork#commit().** The passed entity must be a managed entity. If the entity already has a change set* because this method is invoked during a commit cycle then the change sets are added.* whereby changes detected in this method prevail.** @param ClassMetadata $class The class descriptor of the entity.* @param object $entity The entity for which to (re)calculate the change set.* @psalm-param ClassMetadata<T> $class* @psalm-param T $entity** @return void** @throws ORMInvalidArgumentException If the passed entity is not MANAGED.** @template T of object* @ignore*/public function recomputeSingleEntityChangeSet(ClassMetadata $class, $entity){$oid = spl_object_id($entity);if (! isset($this->entityStates[$oid]) || $this->entityStates[$oid] !== self::STATE_MANAGED) {throw ORMInvalidArgumentException::entityNotManaged($entity);}// skip if change tracking is "NOTIFY"if ($class->isChangeTrackingNotify()) {return;}if (! $class->isInheritanceTypeNone()) {$class = $this->em->getClassMetadata(get_class($entity));}$actualData = [];foreach ($class->reflFields as $name => $refProp) {if (( ! $class->isIdentifier($name) || ! $class->isIdGeneratorIdentity())&& ($name !== $class->versionField)&& ! $class->isCollectionValuedAssociation($name)) {$actualData[$name] = $refProp->getValue($entity);}}if (! isset($this->originalEntityData[$oid])) {throw new RuntimeException('Cannot call recomputeSingleEntityChangeSet before computeChangeSet on an entity.');}$originalData = $this->originalEntityData[$oid];$changeSet = [];foreach ($actualData as $propName => $actualValue) {$orgValue = $originalData[$propName] ?? null;if (isset($class->fieldMappings[$propName]['enumType'])) {if (is_array($orgValue)) {foreach ($orgValue as $id => $val) {if ($val instanceof BackedEnum) {$orgValue[$id] = $val->value;}}} else {if ($orgValue instanceof BackedEnum) {$orgValue = $orgValue->value;}}}if ($orgValue !== $actualValue) {$changeSet[$propName] = [$orgValue, $actualValue];}}if ($changeSet) {if (isset($this->entityChangeSets[$oid])) {$this->entityChangeSets[$oid] = array_merge($this->entityChangeSets[$oid], $changeSet);} elseif (! isset($this->entityInsertions[$oid])) {$this->entityChangeSets[$oid] = $changeSet;$this->entityUpdates[$oid] = $entity;}$this->originalEntityData[$oid] = $actualData;}}/*** Executes entity insertions*/private function executeInserts(): void{$entities = $this->computeInsertExecutionOrder();$eventsToDispatch = [];foreach ($entities as $entity) {$oid = spl_object_id($entity);$class = $this->em->getClassMetadata(get_class($entity));$persister = $this->getEntityPersister($class->name);$persister->addInsert($entity);unset($this->entityInsertions[$oid]);$postInsertIds = $persister->executeInserts();if (is_array($postInsertIds)) {Deprecation::trigger('doctrine/orm','https://github.com/doctrine/orm/pull/10743/','Returning post insert IDs from \Doctrine\ORM\Persisters\Entity\EntityPersister::executeInserts() is deprecated and will not be supported in Doctrine ORM 3.0. Make the persister call Doctrine\ORM\UnitOfWork::assignPostInsertId() instead.');// Persister returned post-insert IDsforeach ($postInsertIds as $postInsertId) {$this->assignPostInsertId($postInsertId['entity'], $postInsertId['generatedId']);}}if (! isset($this->entityIdentifiers[$oid])) {//entity was not added to identity map because some identifiers are foreign keys to new entities.//add it now$this->addToEntityIdentifiersAndEntityMap($class, $oid, $entity);}$invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::postPersist);if ($invoke !== ListenersInvoker::INVOKE_NONE) {$eventsToDispatch[] = ['class' => $class, 'entity' => $entity, 'invoke' => $invoke];}}// Defer dispatching `postPersist` events to until all entities have been inserted and post-insert// IDs have been assigned.foreach ($eventsToDispatch as $event) {$this->listenersInvoker->invoke($event['class'],Events::postPersist,$event['entity'],new PostPersistEventArgs($event['entity'], $this->em),$event['invoke']);}}/*** @param object $entity* @psalm-param ClassMetadata<T> $class* @psalm-param T $entity** @template T of object*/private function addToEntityIdentifiersAndEntityMap(ClassMetadata $class,int $oid,$entity): void {$identifier = [];foreach ($class->getIdentifierFieldNames() as $idField) {$origValue = $class->getFieldValue($entity, $idField);$value = null;if (isset($class->associationMappings[$idField])) {// NOTE: Single Columns as associated identifiers only allowed - this constraint it is enforced.$value = $this->getSingleIdentifierValue($origValue);}$identifier[$idField] = $value ?? $origValue;$this->originalEntityData[$oid][$idField] = $origValue;}$this->entityStates[$oid] = self::STATE_MANAGED;$this->entityIdentifiers[$oid] = $identifier;$this->addToIdentityMap($entity);}/*** Executes all entity updates*/private function executeUpdates(): void{foreach ($this->entityUpdates as $oid => $entity) {$class = $this->em->getClassMetadata(get_class($entity));$persister = $this->getEntityPersister($class->name);$preUpdateInvoke = $this->listenersInvoker->getSubscribedSystems($class, Events::preUpdate);$postUpdateInvoke = $this->listenersInvoker->getSubscribedSystems($class, Events::postUpdate);if ($preUpdateInvoke !== ListenersInvoker::INVOKE_NONE) {$this->listenersInvoker->invoke($class, Events::preUpdate, $entity, new PreUpdateEventArgs($entity, $this->em, $this->getEntityChangeSet($entity)), $preUpdateInvoke);$this->recomputeSingleEntityChangeSet($class, $entity);}if (! empty($this->entityChangeSets[$oid])) {$persister->update($entity);}unset($this->entityUpdates[$oid]);if ($postUpdateInvoke !== ListenersInvoker::INVOKE_NONE) {$this->listenersInvoker->invoke($class, Events::postUpdate, $entity, new PostUpdateEventArgs($entity, $this->em), $postUpdateInvoke);}}}/*** Executes all entity deletions*/private function executeDeletions(): void{$entities = $this->computeDeleteExecutionOrder();$eventsToDispatch = [];foreach ($entities as $entity) {$this->removeFromIdentityMap($entity);$oid = spl_object_id($entity);$class = $this->em->getClassMetadata(get_class($entity));$persister = $this->getEntityPersister($class->name);$invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::postRemove);$persister->delete($entity);unset($this->entityDeletions[$oid],$this->entityIdentifiers[$oid],$this->originalEntityData[$oid],$this->entityStates[$oid]);// Entity with this $oid after deletion treated as NEW, even if the $oid// is obtained by a new entity because the old one went out of scope.//$this->entityStates[$oid] = self::STATE_NEW;if (! $class->isIdentifierNatural()) {$class->reflFields[$class->identifier[0]]->setValue($entity, null);}if ($invoke !== ListenersInvoker::INVOKE_NONE) {$eventsToDispatch[] = ['class' => $class, 'entity' => $entity, 'invoke' => $invoke];}}// Defer dispatching `postRemove` events to until all entities have been removed.foreach ($eventsToDispatch as $event) {$this->listenersInvoker->invoke($event['class'],Events::postRemove,$event['entity'],new PostRemoveEventArgs($event['entity'], $this->em),$event['invoke']);}}/** @return list<object> */private function computeInsertExecutionOrder(): array{$sort = new TopologicalSort();// First make sure we have all the nodesforeach ($this->entityInsertions as $entity) {$sort->addNode($entity);}// Now add edgesforeach ($this->entityInsertions as $entity) {$class = $this->em->getClassMetadata(get_class($entity));foreach ($class->associationMappings as $assoc) {// We only need to consider the owning sides of to-one associations,// since many-to-many associations are persisted at a later step and// have no insertion order problems (all entities already in the database// at that time).if (! ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE)) {continue;}$targetEntity = $class->getFieldValue($entity, $assoc['fieldName']);// If there is no entity that we need to refer to, or it is already in the// database (i. e. does not have to be inserted), no need to consider it.if ($targetEntity === null || ! $sort->hasNode($targetEntity)) {continue;}// An entity that references back to itself _and_ uses an application-provided ID// (the "NONE" generator strategy) can be exempted from commit order computation.// See https://github.com/doctrine/orm/pull/10735/ for more details on this edge case.// A non-NULLable self-reference would be a cycle in the graph.if ($targetEntity === $entity && $class->isIdentifierNatural()) {continue;}// According to https://www.doctrine-project.org/projects/doctrine-orm/en/2.14/reference/annotations-reference.html#annref_joincolumn,// the default for "nullable" is true. Unfortunately, it seems this default is not applied at the metadata driver, factory or other// level, but in fact we may have an undefined 'nullable' key here, so we must assume that default here as well.//// Same in \Doctrine\ORM\Tools\EntityGenerator::isAssociationIsNullable or \Doctrine\ORM\Persisters\Entity\BasicEntityPersister::getJoinSQLForJoinColumns,// to give two examples.assert(isset($assoc['joinColumns']));$joinColumns = reset($assoc['joinColumns']);$isNullable = ! isset($joinColumns['nullable']) || $joinColumns['nullable'];// Add dependency. The dependency direction implies that "$entity depends on $targetEntity". The// topological sort result will output the depended-upon nodes first, which means we can insert// entities in that order.$sort->addEdge($entity, $targetEntity, $isNullable);}}return $sort->sort();}/** @return list<object> */private function computeDeleteExecutionOrder(): array{$stronglyConnectedComponents = new StronglyConnectedComponents();$sort = new TopologicalSort();foreach ($this->entityDeletions as $entity) {$stronglyConnectedComponents->addNode($entity);$sort->addNode($entity);}// First, consider only "on delete cascade" associations between entities// and find strongly connected groups. Once we delete any one of the entities// in such a group, _all_ of the other entities will be removed as well. So,// we need to treat those groups like a single entity when performing delete// order topological sorting.foreach ($this->entityDeletions as $entity) {$class = $this->em->getClassMetadata(get_class($entity));foreach ($class->associationMappings as $assoc) {// We only need to consider the owning sides of to-one associations,// since many-to-many associations can always be (and have already been)// deleted in a preceding step.if (! ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE)) {continue;}assert(isset($assoc['joinColumns']));$joinColumns = reset($assoc['joinColumns']);if (! isset($joinColumns['onDelete'])) {continue;}$onDeleteOption = strtolower($joinColumns['onDelete']);if ($onDeleteOption !== 'cascade') {continue;}$targetEntity = $class->getFieldValue($entity, $assoc['fieldName']);// If the association does not refer to another entity or that entity// is not to be deleted, there is no ordering problem and we can// skip this particular association.if ($targetEntity === null || ! $stronglyConnectedComponents->hasNode($targetEntity)) {continue;}$stronglyConnectedComponents->addEdge($entity, $targetEntity);}}$stronglyConnectedComponents->findStronglyConnectedComponents();// Now do the actual topological sorting to find the delete order.foreach ($this->entityDeletions as $entity) {$class = $this->em->getClassMetadata(get_class($entity));// Get the entities representing the SCC$entityComponent = $stronglyConnectedComponents->getNodeRepresentingStronglyConnectedComponent($entity);// When $entity is part of a non-trivial strongly connected component group// (a group containing not only those entities alone), make sure we process it _after_ the// entity representing the group.// The dependency direction implies that "$entity depends on $entityComponent// being deleted first". The topological sort will output the depended-upon nodes first.if ($entityComponent !== $entity) {$sort->addEdge($entity, $entityComponent, false);}foreach ($class->associationMappings as $assoc) {// We only need to consider the owning sides of to-one associations,// since many-to-many associations can always be (and have already been)// deleted in a preceding step.if (! ($assoc['isOwningSide'] && $assoc['type'] & ClassMetadata::TO_ONE)) {continue;}// For associations that implement a database-level set null operation,// we do not have to follow a particular order: If the referred-to entity is// deleted first, the DBMS will temporarily set the foreign key to NULL (SET NULL).// So, we can skip it in the computation.assert(isset($assoc['joinColumns']));$joinColumns = reset($assoc['joinColumns']);if (isset($joinColumns['onDelete'])) {$onDeleteOption = strtolower($joinColumns['onDelete']);if ($onDeleteOption === 'set null') {continue;}}$targetEntity = $class->getFieldValue($entity, $assoc['fieldName']);// If the association does not refer to another entity or that entity// is not to be deleted, there is no ordering problem and we can// skip this particular association.if ($targetEntity === null || ! $sort->hasNode($targetEntity)) {continue;}// Get the entities representing the SCC$targetEntityComponent = $stronglyConnectedComponents->getNodeRepresentingStronglyConnectedComponent($targetEntity);// When we have a dependency between two different groups of strongly connected nodes,// add it to the computation.// The dependency direction implies that "$targetEntityComponent depends on $entityComponent// being deleted first". The topological sort will output the depended-upon nodes first,// so we can work through the result in the returned order.if ($targetEntityComponent !== $entityComponent) {$sort->addEdge($targetEntityComponent, $entityComponent, false);}}}return $sort->sort();}/*** Schedules an entity for insertion into the database.* If the entity already has an identifier, it will be added to the identity map.** @param object $entity The entity to schedule for insertion.** @return void** @throws ORMInvalidArgumentException* @throws InvalidArgumentException*/public function scheduleForInsert($entity){$oid = spl_object_id($entity);if (isset($this->entityUpdates[$oid])) {throw new InvalidArgumentException('Dirty entity can not be scheduled for insertion.');}if (isset($this->entityDeletions[$oid])) {throw ORMInvalidArgumentException::scheduleInsertForRemovedEntity($entity);}if (isset($this->originalEntityData[$oid]) && ! isset($this->entityInsertions[$oid])) {throw ORMInvalidArgumentException::scheduleInsertForManagedEntity($entity);}if (isset($this->entityInsertions[$oid])) {throw ORMInvalidArgumentException::scheduleInsertTwice($entity);}$this->entityInsertions[$oid] = $entity;if (isset($this->entityIdentifiers[$oid])) {$this->addToIdentityMap($entity);}if ($entity instanceof NotifyPropertyChanged) {$entity->addPropertyChangedListener($this);}}/*** Checks whether an entity is scheduled for insertion.** @param object $entity** @return bool*/public function isScheduledForInsert($entity){return isset($this->entityInsertions[spl_object_id($entity)]);}/*** Schedules an entity for being updated.** @param object $entity The entity to schedule for being updated.** @return void** @throws ORMInvalidArgumentException*/public function scheduleForUpdate($entity){$oid = spl_object_id($entity);if (! isset($this->entityIdentifiers[$oid])) {throw ORMInvalidArgumentException::entityHasNoIdentity($entity, 'scheduling for update');}if (isset($this->entityDeletions[$oid])) {throw ORMInvalidArgumentException::entityIsRemoved($entity, 'schedule for update');}if (! isset($this->entityUpdates[$oid]) && ! isset($this->entityInsertions[$oid])) {$this->entityUpdates[$oid] = $entity;}}/*** INTERNAL:* Schedules an extra update that will be executed immediately after the* regular entity updates within the currently running commit cycle.** Extra updates for entities are stored as (entity, changeset) tuples.** @param object $entity The entity for which to schedule an extra update.* @psalm-param array<string, array{mixed, mixed}> $changeset The changeset of the entity (what to update).** @return void** @ignore*/public function scheduleExtraUpdate($entity, array $changeset){$oid = spl_object_id($entity);$extraUpdate = [$entity, $changeset];if (isset($this->extraUpdates[$oid])) {[, $changeset2] = $this->extraUpdates[$oid];$extraUpdate = [$entity, $changeset + $changeset2];}$this->extraUpdates[$oid] = $extraUpdate;}/*** Checks whether an entity is registered as dirty in the unit of work.* Note: Is not very useful currently as dirty entities are only registered* at commit time.** @param object $entity** @return bool*/public function isScheduledForUpdate($entity){return isset($this->entityUpdates[spl_object_id($entity)]);}/*** Checks whether an entity is registered to be checked in the unit of work.** @param object $entity** @return bool*/public function isScheduledForDirtyCheck($entity){$rootEntityName = $this->em->getClassMetadata(get_class($entity))->rootEntityName;return isset($this->scheduledForSynchronization[$rootEntityName][spl_object_id($entity)]);}/*** INTERNAL:* Schedules an entity for deletion.** @param object $entity** @return void*/public function scheduleForDelete($entity){$oid = spl_object_id($entity);if (isset($this->entityInsertions[$oid])) {if ($this->isInIdentityMap($entity)) {$this->removeFromIdentityMap($entity);}unset($this->entityInsertions[$oid], $this->entityStates[$oid]);return; // entity has not been persisted yet, so nothing more to do.}if (! $this->isInIdentityMap($entity)) {return;}unset($this->entityUpdates[$oid]);if (! isset($this->entityDeletions[$oid])) {$this->entityDeletions[$oid] = $entity;$this->entityStates[$oid] = self::STATE_REMOVED;}}/*** Checks whether an entity is registered as removed/deleted with the unit* of work.** @param object $entity** @return bool*/public function isScheduledForDelete($entity){return isset($this->entityDeletions[spl_object_id($entity)]);}/*** Checks whether an entity is scheduled for insertion, update or deletion.** @param object $entity** @return bool*/public function isEntityScheduled($entity){$oid = spl_object_id($entity);return isset($this->entityInsertions[$oid])|| isset($this->entityUpdates[$oid])|| isset($this->entityDeletions[$oid]);}/*** INTERNAL:* Registers an entity in the identity map.* Note that entities in a hierarchy are registered with the class name of* the root entity.** @param object $entity The entity to register.** @return bool TRUE if the registration was successful, FALSE if the identity of* the entity in question is already managed.** @throws ORMInvalidArgumentException* @throws EntityIdentityCollisionException** @ignore*/public function addToIdentityMap($entity){$classMetadata = $this->em->getClassMetadata(get_class($entity));$idHash = $this->getIdHashByEntity($entity);$className = $classMetadata->rootEntityName;if (isset($this->identityMap[$className][$idHash])) {if ($this->identityMap[$className][$idHash] !== $entity) {if ($this->em->getConfiguration()->isRejectIdCollisionInIdentityMapEnabled()) {throw EntityIdentityCollisionException::create($this->identityMap[$className][$idHash], $entity, $idHash);}Deprecation::trigger('doctrine/orm','https://github.com/doctrine/orm/pull/10785',<<<'EXCEPTION'While adding an entity of class %s with an ID hash of "%s" to the identity map,another object of class %s was already present for the same ID. This will triggeran exception in ORM 3.0.IDs should uniquely map to entity object instances. This problem may occur if:- you use application-provided IDs and reuse ID values;- database-provided IDs are reassigned after truncating the database withoutclearing the EntityManager;- you might have been using EntityManager#getReference() to create a referencefor a nonexistent ID that was subsequently (by the RDBMS) assigned to anotherentity.Otherwise, it might be an ORM-internal inconsistency, please report it.To opt-in to the new exception, call\Doctrine\ORM\Configuration::setRejectIdCollisionInIdentityMap on the entitymanager's configuration.EXCEPTION,get_class($entity),$idHash,get_class($this->identityMap[$className][$idHash]));}return false;}$this->identityMap[$className][$idHash] = $entity;return true;}/*** Gets the id hash of an entity by its identifier.** @param array<string|int, mixed> $identifier The identifier of an entity** @return string The entity id hash.*/final public static function getIdHashByIdentifier(array $identifier): string{foreach ($identifier as $k => $value) {if ($value instanceof BackedEnum) {$identifier[$k] = $value->value;}}return implode(' ',$identifier);}/*** Gets the id hash of an entity.** @param object $entity The entity managed by Unit Of Work** @return string The entity id hash.*/public function getIdHashByEntity($entity): string{$identifier = $this->entityIdentifiers[spl_object_id($entity)];if (empty($identifier) || in_array(null, $identifier, true)) {$classMetadata = $this->em->getClassMetadata(get_class($entity));throw ORMInvalidArgumentException::entityWithoutIdentity($classMetadata->name, $entity);}return self::getIdHashByIdentifier($identifier);}/*** Gets the state of an entity with regard to the current unit of work.** @param object $entity* @param int|null $assume The state to assume if the state is not yet known (not MANAGED or REMOVED).* This parameter can be set to improve performance of entity state detection* by potentially avoiding a database lookup if the distinction between NEW and DETACHED* is either known or does not matter for the caller of the method.* @psalm-param self::STATE_*|null $assume** @return int The entity state.* @psalm-return self::STATE_**/public function getEntityState($entity, $assume = null){$oid = spl_object_id($entity);if (isset($this->entityStates[$oid])) {return $this->entityStates[$oid];}if ($assume !== null) {return $assume;}// State can only be NEW or DETACHED, because MANAGED/REMOVED states are known.// Note that you can not remember the NEW or DETACHED state in _entityStates since// the UoW does not hold references to such objects and the object hash can be reused.// More generally because the state may "change" between NEW/DETACHED without the UoW being aware of it.$class = $this->em->getClassMetadata(get_class($entity));$id = $class->getIdentifierValues($entity);if (! $id) {return self::STATE_NEW;}if ($class->containsForeignIdentifier || $class->containsEnumIdentifier) {$id = $this->identifierFlattener->flattenIdentifier($class, $id);}switch (true) {case $class->isIdentifierNatural():// Check for a version field, if available, to avoid a db lookup.if ($class->isVersioned) {assert($class->versionField !== null);return $class->getFieldValue($entity, $class->versionField)? self::STATE_DETACHED: self::STATE_NEW;}// Last try before db lookup: check the identity map.if ($this->tryGetById($id, $class->rootEntityName)) {return self::STATE_DETACHED;}// db lookupif ($this->getEntityPersister($class->name)->exists($entity)) {return self::STATE_DETACHED;}return self::STATE_NEW;case ! $class->idGenerator->isPostInsertGenerator():// if we have a pre insert generator we can't be sure that having an id// really means that the entity exists. We have to verify this through// the last resort: a db lookup// Last try before db lookup: check the identity map.if ($this->tryGetById($id, $class->rootEntityName)) {return self::STATE_DETACHED;}// db lookupif ($this->getEntityPersister($class->name)->exists($entity)) {return self::STATE_DETACHED;}return self::STATE_NEW;default:return self::STATE_DETACHED;}}/*** INTERNAL:* Removes an entity from the identity map. This effectively detaches the* entity from the persistence management of Doctrine.** @param object $entity** @return bool** @throws ORMInvalidArgumentException** @ignore*/public function removeFromIdentityMap($entity){$oid = spl_object_id($entity);$classMetadata = $this->em->getClassMetadata(get_class($entity));$idHash = self::getIdHashByIdentifier($this->entityIdentifiers[$oid]);if ($idHash === '') {throw ORMInvalidArgumentException::entityHasNoIdentity($entity, 'remove from identity map');}$className = $classMetadata->rootEntityName;if (isset($this->identityMap[$className][$idHash])) {unset($this->identityMap[$className][$idHash], $this->readOnlyObjects[$oid]);//$this->entityStates[$oid] = self::STATE_DETACHED;return true;}return false;}/*** INTERNAL:* Gets an entity in the identity map by its identifier hash.** @param string $idHash* @param string $rootClassName** @return object** @ignore*/public function getByIdHash($idHash, $rootClassName){return $this->identityMap[$rootClassName][$idHash];}/*** INTERNAL:* Tries to get an entity by its identifier hash. If no entity is found for* the given hash, FALSE is returned.** @param mixed $idHash (must be possible to cast it to string)* @param string $rootClassName** @return false|object The found entity or FALSE.** @ignore*/public function tryGetByIdHash($idHash, $rootClassName){$stringIdHash = (string) $idHash;return $this->identityMap[$rootClassName][$stringIdHash] ?? false;}/*** Checks whether an entity is registered in the identity map of this UnitOfWork.** @param object $entity** @return bool*/public function isInIdentityMap($entity){$oid = spl_object_id($entity);if (empty($this->entityIdentifiers[$oid])) {return false;}$classMetadata = $this->em->getClassMetadata(get_class($entity));$idHash = self::getIdHashByIdentifier($this->entityIdentifiers[$oid]);return isset($this->identityMap[$classMetadata->rootEntityName][$idHash]);}/*** INTERNAL:* Checks whether an identifier hash exists in the identity map.** @param string $idHash* @param string $rootClassName** @return bool** @ignore*/public function containsIdHash($idHash, $rootClassName){return isset($this->identityMap[$rootClassName][$idHash]);}/*** Persists an entity as part of the current unit of work.** @param object $entity The entity to persist.** @return void*/public function persist($entity){$visited = [];$this->doPersist($entity, $visited);}/*** Persists an entity as part of the current unit of work.** This method is internally called during persist() cascades as it tracks* the already visited entities to prevent infinite recursions.** @param object $entity The entity to persist.* @psalm-param array<int, object> $visited The already visited entities.** @throws ORMInvalidArgumentException* @throws UnexpectedValueException*/private function doPersist($entity, array &$visited): void{$oid = spl_object_id($entity);if (isset($visited[$oid])) {return; // Prevent infinite recursion}$visited[$oid] = $entity; // Mark visited$class = $this->em->getClassMetadata(get_class($entity));// We assume NEW, so DETACHED entities result in an exception on flush (constraint violation).// If we would detect DETACHED here we would throw an exception anyway with the same// consequences (not recoverable/programming error), so just assuming NEW here// lets us avoid some database lookups for entities with natural identifiers.$entityState = $this->getEntityState($entity, self::STATE_NEW);switch ($entityState) {case self::STATE_MANAGED:// Nothing to do, except if policy is "deferred explicit"if ($class->isChangeTrackingDeferredExplicit()) {$this->scheduleForDirtyCheck($entity);}break;case self::STATE_NEW:$this->persistNew($class, $entity);break;case self::STATE_REMOVED:// Entity becomes managed againunset($this->entityDeletions[$oid]);$this->addToIdentityMap($entity);$this->entityStates[$oid] = self::STATE_MANAGED;if ($class->isChangeTrackingDeferredExplicit()) {$this->scheduleForDirtyCheck($entity);}break;case self::STATE_DETACHED:// Can actually not happen right now since we assume STATE_NEW.throw ORMInvalidArgumentException::detachedEntityCannot($entity, 'persisted');default:throw new UnexpectedValueException(sprintf('Unexpected entity state: %s. %s',$entityState,self::objToStr($entity)));}$this->cascadePersist($entity, $visited);}/*** Deletes an entity as part of the current unit of work.** @param object $entity The entity to remove.** @return void*/public function remove($entity){$visited = [];$this->doRemove($entity, $visited);}/*** Deletes an entity as part of the current unit of work.** This method is internally called during delete() cascades as it tracks* the already visited entities to prevent infinite recursions.** @param object $entity The entity to delete.* @psalm-param array<int, object> $visited The map of the already visited entities.** @throws ORMInvalidArgumentException If the instance is a detached entity.* @throws UnexpectedValueException*/private function doRemove($entity, array &$visited): void{$oid = spl_object_id($entity);if (isset($visited[$oid])) {return; // Prevent infinite recursion}$visited[$oid] = $entity; // mark visited// Cascade first, because scheduleForDelete() removes the entity from the identity map, which// can cause problems when a lazy proxy has to be initialized for the cascade operation.$this->cascadeRemove($entity, $visited);$class = $this->em->getClassMetadata(get_class($entity));$entityState = $this->getEntityState($entity);switch ($entityState) {case self::STATE_NEW:case self::STATE_REMOVED:// nothing to dobreak;case self::STATE_MANAGED:$invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::preRemove);if ($invoke !== ListenersInvoker::INVOKE_NONE) {$this->listenersInvoker->invoke($class, Events::preRemove, $entity, new PreRemoveEventArgs($entity, $this->em), $invoke);}$this->scheduleForDelete($entity);break;case self::STATE_DETACHED:throw ORMInvalidArgumentException::detachedEntityCannot($entity, 'removed');default:throw new UnexpectedValueException(sprintf('Unexpected entity state: %s. %s',$entityState,self::objToStr($entity)));}}/*** Merges the state of the given detached entity into this UnitOfWork.** @deprecated 2.7 This method is being removed from the ORM and won't have any replacement** @param object $entity** @return object The managed copy of the entity.** @throws OptimisticLockException If the entity uses optimistic locking through a version* attribute and the version check against the managed copy fails.*/public function merge($entity){$visited = [];return $this->doMerge($entity, $visited);}/*** Executes a merge operation on an entity.** @param object $entity* @psalm-param AssociationMapping|null $assoc* @psalm-param array<int, object> $visited** @return object The managed copy of the entity.** @throws OptimisticLockException If the entity uses optimistic locking through a version* attribute and the version check against the managed copy fails.* @throws ORMInvalidArgumentException If the entity instance is NEW.* @throws EntityNotFoundException if an assigned identifier is used in the entity, but none is provided.*/private function doMerge($entity,array &$visited,$prevManagedCopy = null,?array $assoc = null) {$oid = spl_object_id($entity);if (isset($visited[$oid])) {$managedCopy = $visited[$oid];if ($prevManagedCopy !== null) {$this->updateAssociationWithMergedEntity($entity, $assoc, $prevManagedCopy, $managedCopy);}return $managedCopy;}$class = $this->em->getClassMetadata(get_class($entity));// First we assume DETACHED, although it can still be NEW but we can avoid// an extra db-roundtrip this way. If it is not MANAGED but has an identity,// we need to fetch it from the db anyway in order to merge.// MANAGED entities are ignored by the merge operation.$managedCopy = $entity;if ($this->getEntityState($entity, self::STATE_DETACHED) !== self::STATE_MANAGED) {// Try to look the entity up in the identity map.$id = $class->getIdentifierValues($entity);// If there is no ID, it is actually NEW.if (! $id) {$managedCopy = $this->newInstance($class);$this->mergeEntityStateIntoManagedCopy($entity, $managedCopy);$this->persistNew($class, $managedCopy);} else {$flatId = $class->containsForeignIdentifier || $class->containsEnumIdentifier? $this->identifierFlattener->flattenIdentifier($class, $id): $id;$managedCopy = $this->tryGetById($flatId, $class->rootEntityName);if ($managedCopy) {// We have the entity in-memory already, just make sure its not removed.if ($this->getEntityState($managedCopy) === self::STATE_REMOVED) {throw ORMInvalidArgumentException::entityIsRemoved($managedCopy, 'merge');}} else {// We need to fetch the managed copy in order to merge.$managedCopy = $this->em->find($class->name, $flatId);}if ($managedCopy === null) {// If the identifier is ASSIGNED, it is NEW, otherwise an error// since the managed entity was not found.if (! $class->isIdentifierNatural()) {throw EntityNotFoundException::fromClassNameAndIdentifier($class->getName(),$this->identifierFlattener->flattenIdentifier($class, $id));}$managedCopy = $this->newInstance($class);$class->setIdentifierValues($managedCopy, $id);$this->mergeEntityStateIntoManagedCopy($entity, $managedCopy);$this->persistNew($class, $managedCopy);} else {$this->ensureVersionMatch($class, $entity, $managedCopy);$this->mergeEntityStateIntoManagedCopy($entity, $managedCopy);}}$visited[$oid] = $managedCopy; // mark visitedif ($class->isChangeTrackingDeferredExplicit()) {$this->scheduleForDirtyCheck($entity);}}if ($prevManagedCopy !== null) {$this->updateAssociationWithMergedEntity($entity, $assoc, $prevManagedCopy, $managedCopy);}// Mark the managed copy visited as well$visited[spl_object_id($managedCopy)] = $managedCopy;$this->cascadeMerge($entity, $managedCopy, $visited);return $managedCopy;}/*** @param object $entity* @param object $managedCopy* @psalm-param ClassMetadata<T> $class* @psalm-param T $entity* @psalm-param T $managedCopy** @throws OptimisticLockException** @template T of object*/private function ensureVersionMatch(ClassMetadata $class,$entity,$managedCopy): void {if (! ($class->isVersioned && ! $this->isUninitializedObject($managedCopy) && ! $this->isUninitializedObject($entity))) {return;}assert($class->versionField !== null);$reflField = $class->reflFields[$class->versionField];$managedCopyVersion = $reflField->getValue($managedCopy);$entityVersion = $reflField->getValue($entity);// Throw exception if versions don't match.// phpcs:ignore SlevomatCodingStandard.Operators.DisallowEqualOperators.DisallowedEqualOperatorif ($managedCopyVersion == $entityVersion) {return;}throw OptimisticLockException::lockFailedVersionMismatch($entity, $entityVersion, $managedCopyVersion);}/*** Sets/adds associated managed copies into the previous entity's association field** @param object $entity* @psalm-param AssociationMapping $association*/private function updateAssociationWithMergedEntity($entity,array $association,$previousManagedCopy,$managedCopy): void {$assocField = $association['fieldName'];$prevClass = $this->em->getClassMetadata(get_class($previousManagedCopy));if ($association['type'] & ClassMetadata::TO_ONE) {$prevClass->reflFields[$assocField]->setValue($previousManagedCopy, $managedCopy);return;}$value = $prevClass->reflFields[$assocField]->getValue($previousManagedCopy);$value[] = $managedCopy;if ($association['type'] === ClassMetadata::ONE_TO_MANY) {$class = $this->em->getClassMetadata(get_class($entity));$class->reflFields[$association['mappedBy']]->setValue($managedCopy, $previousManagedCopy);}}/*** Detaches an entity from the persistence management. It's persistence will* no longer be managed by Doctrine.** @param object $entity The entity to detach.** @return void*/public function detach($entity){$visited = [];$this->doDetach($entity, $visited);}/*** Executes a detach operation on the given entity.** @param object $entity* @param mixed[] $visited* @param bool $noCascade if true, don't cascade detach operation.*/private function doDetach($entity,array &$visited,bool $noCascade = false): void {$oid = spl_object_id($entity);if (isset($visited[$oid])) {return; // Prevent infinite recursion}$visited[$oid] = $entity; // mark visitedswitch ($this->getEntityState($entity, self::STATE_DETACHED)) {case self::STATE_MANAGED:if ($this->isInIdentityMap($entity)) {$this->removeFromIdentityMap($entity);}unset($this->entityInsertions[$oid],$this->entityUpdates[$oid],$this->entityDeletions[$oid],$this->entityIdentifiers[$oid],$this->entityStates[$oid],$this->originalEntityData[$oid]);break;case self::STATE_NEW:case self::STATE_DETACHED:return;}if (! $noCascade) {$this->cascadeDetach($entity, $visited);}}/*** Refreshes the state of the given entity from the database, overwriting* any local, unpersisted changes.** @param object $entity The entity to refresh** @return void** @throws InvalidArgumentException If the entity is not MANAGED.* @throws TransactionRequiredException*/public function refresh($entity){$visited = [];$lockMode = null;if (func_num_args() > 1) {$lockMode = func_get_arg(1);}$this->doRefresh($entity, $visited, $lockMode);}/*** Executes a refresh operation on an entity.** @param object $entity The entity to refresh.* @psalm-param array<int, object> $visited The already visited entities during cascades.* @psalm-param LockMode::*|null $lockMode** @throws ORMInvalidArgumentException If the entity is not MANAGED.* @throws TransactionRequiredException*/private function doRefresh($entity, array &$visited, ?int $lockMode = null): void{switch (true) {case $lockMode === LockMode::PESSIMISTIC_READ:case $lockMode === LockMode::PESSIMISTIC_WRITE:if (! $this->em->getConnection()->isTransactionActive()) {throw TransactionRequiredException::transactionRequired();}}$oid = spl_object_id($entity);if (isset($visited[$oid])) {return; // Prevent infinite recursion}$visited[$oid] = $entity; // mark visited$class = $this->em->getClassMetadata(get_class($entity));if ($this->getEntityState($entity) !== self::STATE_MANAGED) {throw ORMInvalidArgumentException::entityNotManaged($entity);}$this->getEntityPersister($class->name)->refresh(array_combine($class->getIdentifierFieldNames(), $this->entityIdentifiers[$oid]),$entity,$lockMode);$this->cascadeRefresh($entity, $visited, $lockMode);}/*** Cascades a refresh operation to associated entities.** @param object $entity* @psalm-param array<int, object> $visited* @psalm-param LockMode::*|null $lockMode*/private function cascadeRefresh($entity, array &$visited, ?int $lockMode = null): void{$class = $this->em->getClassMetadata(get_class($entity));$associationMappings = array_filter($class->associationMappings,static function ($assoc) {return $assoc['isCascadeRefresh'];});foreach ($associationMappings as $assoc) {$relatedEntities = $class->reflFields[$assoc['fieldName']]->getValue($entity);switch (true) {case $relatedEntities instanceof PersistentCollection:// Unwrap so that foreach() does not initialize$relatedEntities = $relatedEntities->unwrap();// break; is commented intentionally!case $relatedEntities instanceof Collection:case is_array($relatedEntities):foreach ($relatedEntities as $relatedEntity) {$this->doRefresh($relatedEntity, $visited, $lockMode);}break;case $relatedEntities !== null:$this->doRefresh($relatedEntities, $visited, $lockMode);break;default:// Do nothing}}}/*** Cascades a detach operation to associated entities.** @param object $entity* @param array<int, object> $visited*/private function cascadeDetach($entity, array &$visited): void{$class = $this->em->getClassMetadata(get_class($entity));$associationMappings = array_filter($class->associationMappings,static function ($assoc) {return $assoc['isCascadeDetach'];});foreach ($associationMappings as $assoc) {$relatedEntities = $class->reflFields[$assoc['fieldName']]->getValue($entity);switch (true) {case $relatedEntities instanceof PersistentCollection:// Unwrap so that foreach() does not initialize$relatedEntities = $relatedEntities->unwrap();// break; is commented intentionally!case $relatedEntities instanceof Collection:case is_array($relatedEntities):foreach ($relatedEntities as $relatedEntity) {$this->doDetach($relatedEntity, $visited);}break;case $relatedEntities !== null:$this->doDetach($relatedEntities, $visited);break;default:// Do nothing}}}/*** Cascades a merge operation to associated entities.** @param object $entity* @param object $managedCopy* @psalm-param array<int, object> $visited*/private function cascadeMerge($entity, $managedCopy, array &$visited): void{$class = $this->em->getClassMetadata(get_class($entity));$associationMappings = array_filter($class->associationMappings,static function ($assoc) {return $assoc['isCascadeMerge'];});foreach ($associationMappings as $assoc) {$relatedEntities = $class->reflFields[$assoc['fieldName']]->getValue($entity);if ($relatedEntities instanceof Collection) {if ($relatedEntities === $class->reflFields[$assoc['fieldName']]->getValue($managedCopy)) {continue;}if ($relatedEntities instanceof PersistentCollection) {// Unwrap so that foreach() does not initialize$relatedEntities = $relatedEntities->unwrap();}foreach ($relatedEntities as $relatedEntity) {$this->doMerge($relatedEntity, $visited, $managedCopy, $assoc);}} elseif ($relatedEntities !== null) {$this->doMerge($relatedEntities, $visited, $managedCopy, $assoc);}}}/*** Cascades the save operation to associated entities.** @param object $entity* @psalm-param array<int, object> $visited*/private function cascadePersist($entity, array &$visited): void{if ($this->isUninitializedObject($entity)) {// nothing to do - proxy is not initialized, therefore we don't do anything with itreturn;}$class = $this->em->getClassMetadata(get_class($entity));$associationMappings = array_filter($class->associationMappings,static function ($assoc) {return $assoc['isCascadePersist'];});foreach ($associationMappings as $assoc) {$relatedEntities = $class->reflFields[$assoc['fieldName']]->getValue($entity);switch (true) {case $relatedEntities instanceof PersistentCollection:// Unwrap so that foreach() does not initialize$relatedEntities = $relatedEntities->unwrap();// break; is commented intentionally!case $relatedEntities instanceof Collection:case is_array($relatedEntities):if (($assoc['type'] & ClassMetadata::TO_MANY) <= 0) {throw ORMInvalidArgumentException::invalidAssociation($this->em->getClassMetadata($assoc['targetEntity']),$assoc,$relatedEntities);}foreach ($relatedEntities as $relatedEntity) {$this->doPersist($relatedEntity, $visited);}break;case $relatedEntities !== null:if (! $relatedEntities instanceof $assoc['targetEntity']) {throw ORMInvalidArgumentException::invalidAssociation($this->em->getClassMetadata($assoc['targetEntity']),$assoc,$relatedEntities);}$this->doPersist($relatedEntities, $visited);break;default:// Do nothing}}}/*** Cascades the delete operation to associated entities.** @param object $entity* @psalm-param array<int, object> $visited*/private function cascadeRemove($entity, array &$visited): void{$class = $this->em->getClassMetadata(get_class($entity));$associationMappings = array_filter($class->associationMappings,static function ($assoc) {return $assoc['isCascadeRemove'];});if ($associationMappings) {$this->initializeObject($entity);}$entitiesToCascade = [];foreach ($associationMappings as $assoc) {$relatedEntities = $class->reflFields[$assoc['fieldName']]->getValue($entity);switch (true) {case $relatedEntities instanceof Collection:case is_array($relatedEntities):// If its a PersistentCollection initialization is intended! No unwrap!foreach ($relatedEntities as $relatedEntity) {$entitiesToCascade[] = $relatedEntity;}break;case $relatedEntities !== null:$entitiesToCascade[] = $relatedEntities;break;default:// Do nothing}}foreach ($entitiesToCascade as $relatedEntity) {$this->doRemove($relatedEntity, $visited);}}/*** Acquire a lock on the given entity.** @param object $entity* @param int|DateTimeInterface|null $lockVersion* @psalm-param LockMode::* $lockMode** @throws ORMInvalidArgumentException* @throws TransactionRequiredException* @throws OptimisticLockException*/public function lock($entity, int $lockMode, $lockVersion = null): void{if ($this->getEntityState($entity, self::STATE_DETACHED) !== self::STATE_MANAGED) {throw ORMInvalidArgumentException::entityNotManaged($entity);}$class = $this->em->getClassMetadata(get_class($entity));switch (true) {case $lockMode === LockMode::OPTIMISTIC:if (! $class->isVersioned) {throw OptimisticLockException::notVersioned($class->name);}if ($lockVersion === null) {return;}$this->initializeObject($entity);assert($class->versionField !== null);$entityVersion = $class->reflFields[$class->versionField]->getValue($entity);// phpcs:ignore SlevomatCodingStandard.Operators.DisallowEqualOperators.DisallowedNotEqualOperatorif ($entityVersion != $lockVersion) {throw OptimisticLockException::lockFailedVersionMismatch($entity, $lockVersion, $entityVersion);}break;case $lockMode === LockMode::NONE:case $lockMode === LockMode::PESSIMISTIC_READ:case $lockMode === LockMode::PESSIMISTIC_WRITE:if (! $this->em->getConnection()->isTransactionActive()) {throw TransactionRequiredException::transactionRequired();}$oid = spl_object_id($entity);$this->getEntityPersister($class->name)->lock(array_combine($class->getIdentifierFieldNames(), $this->entityIdentifiers[$oid]),$lockMode);break;default:// Do nothing}}/*** Clears the UnitOfWork.** @param string|null $entityName if given, only entities of this type will get detached.** @return void** @throws ORMInvalidArgumentException if an invalid entity name is given.*/public function clear($entityName = null){if ($entityName === null) {$this->identityMap =$this->entityIdentifiers =$this->originalEntityData =$this->entityChangeSets =$this->entityStates =$this->scheduledForSynchronization =$this->entityInsertions =$this->entityUpdates =$this->entityDeletions =$this->nonCascadedNewDetectedEntities =$this->collectionDeletions =$this->collectionUpdates =$this->extraUpdates =$this->readOnlyObjects =$this->pendingCollectionElementRemovals =$this->visitedCollections =$this->eagerLoadingEntities =$this->eagerLoadingCollections =$this->orphanRemovals = [];} else {Deprecation::triggerIfCalledFromOutside('doctrine/orm','https://github.com/doctrine/orm/issues/8460','Calling %s() with any arguments to clear specific entities is deprecated and will not be supported in Doctrine ORM 3.0.',__METHOD__);$this->clearIdentityMapForEntityName($entityName);$this->clearEntityInsertionsForEntityName($entityName);}if ($this->evm->hasListeners(Events::onClear)) {$this->evm->dispatchEvent(Events::onClear, new Event\OnClearEventArgs($this->em, $entityName));}}/*** INTERNAL:* Schedules an orphaned entity for removal. The remove() operation will be* invoked on that entity at the beginning of the next commit of this* UnitOfWork.** @param object $entity** @return void** @ignore*/public function scheduleOrphanRemoval($entity){$this->orphanRemovals[spl_object_id($entity)] = $entity;}/*** INTERNAL:* Cancels a previously scheduled orphan removal.** @param object $entity** @return void** @ignore*/public function cancelOrphanRemoval($entity){unset($this->orphanRemovals[spl_object_id($entity)]);}/*** INTERNAL:* Schedules a complete collection for removal when this UnitOfWork commits.** @return void*/public function scheduleCollectionDeletion(PersistentCollection $coll){$coid = spl_object_id($coll);// TODO: if $coll is already scheduled for recreation ... what to do?// Just remove $coll from the scheduled recreations?unset($this->collectionUpdates[$coid]);$this->collectionDeletions[$coid] = $coll;}/** @return bool */public function isCollectionScheduledForDeletion(PersistentCollection $coll){return isset($this->collectionDeletions[spl_object_id($coll)]);}/** @return object */private function newInstance(ClassMetadata $class){$entity = $class->newInstance();if ($entity instanceof ObjectManagerAware) {$entity->injectObjectManager($this->em, $class);}return $entity;}/*** INTERNAL:* Creates an entity. Used for reconstitution of persistent entities.** Internal note: Highly performance-sensitive method.** @param string $className The name of the entity class.* @param mixed[] $data The data for the entity.* @param mixed[] $hints Any hints to account for during reconstitution/lookup of the entity.* @psalm-param class-string $className* @psalm-param array<string, mixed> $hints** @return object The managed entity instance.** @ignore* @todo Rename: getOrCreateEntity*/public function createEntity($className, array $data, &$hints = []){$class = $this->em->getClassMetadata($className);$id = $this->identifierFlattener->flattenIdentifier($class, $data);$idHash = self::getIdHashByIdentifier($id);if (isset($this->identityMap[$class->rootEntityName][$idHash])) {$entity = $this->identityMap[$class->rootEntityName][$idHash];$oid = spl_object_id($entity);if (isset($hints[Query::HINT_REFRESH], $hints[Query::HINT_REFRESH_ENTITY])) {$unmanagedProxy = $hints[Query::HINT_REFRESH_ENTITY];if ($unmanagedProxy !== $entity&& $this->isIdentifierEquals($unmanagedProxy, $entity)) {// We will hydrate the given un-managed proxy anyway:// continue work, but consider it the entity from now on$entity = $unmanagedProxy;}}if ($this->isUninitializedObject($entity)) {$entity->__setInitialized(true);} else {if (! isset($hints[Query::HINT_REFRESH])|| (isset($hints[Query::HINT_REFRESH_ENTITY]) && $hints[Query::HINT_REFRESH_ENTITY] !== $entity)) {return $entity;}}// inject ObjectManager upon refresh.if ($entity instanceof ObjectManagerAware) {$entity->injectObjectManager($this->em, $class);}$this->originalEntityData[$oid] = $data;if ($entity instanceof NotifyPropertyChanged) {$entity->addPropertyChangedListener($this);}} else {$entity = $this->newInstance($class);$oid = spl_object_id($entity);$this->registerManaged($entity, $id, $data);if (isset($hints[Query::HINT_READ_ONLY])) {$this->readOnlyObjects[$oid] = true;}}foreach ($data as $field => $value) {if (isset($class->fieldMappings[$field])) {$class->reflFields[$field]->setValue($entity, $value);}}// Loading the entity right here, if its in the eager loading map get rid of it there.unset($this->eagerLoadingEntities[$class->rootEntityName][$idHash]);if (isset($this->eagerLoadingEntities[$class->rootEntityName]) && ! $this->eagerLoadingEntities[$class->rootEntityName]) {unset($this->eagerLoadingEntities[$class->rootEntityName]);}// Properly initialize any unfetched associations, if partial objects are not allowed.if (isset($hints[Query::HINT_FORCE_PARTIAL_LOAD])) {Deprecation::trigger('doctrine/orm','https://github.com/doctrine/orm/issues/8471','Partial Objects are deprecated (here entity %s)',$className);return $entity;}foreach ($class->associationMappings as $field => $assoc) {// Check if the association is not among the fetch-joined associations already.if (isset($hints['fetchAlias'], $hints['fetched'][$hints['fetchAlias']][$field])) {continue;}if (! isset($hints['fetchMode'][$class->name][$field])) {$hints['fetchMode'][$class->name][$field] = $assoc['fetch'];}$targetClass = $this->em->getClassMetadata($assoc['targetEntity']);switch (true) {case $assoc['type'] & ClassMetadata::TO_ONE:if (! $assoc['isOwningSide']) {// use the given entity associationif (isset($data[$field]) && is_object($data[$field]) && isset($this->entityStates[spl_object_id($data[$field])])) {$this->originalEntityData[$oid][$field] = $data[$field];$class->reflFields[$field]->setValue($entity, $data[$field]);$targetClass->reflFields[$assoc['mappedBy']]->setValue($data[$field], $entity);continue 2;}// Inverse side of x-to-one can never be lazy$class->reflFields[$field]->setValue($entity, $this->getEntityPersister($assoc['targetEntity'])->loadOneToOneEntity($assoc, $entity));continue 2;}// use the entity associationif (isset($data[$field]) && is_object($data[$field]) && isset($this->entityStates[spl_object_id($data[$field])])) {$class->reflFields[$field]->setValue($entity, $data[$field]);$this->originalEntityData[$oid][$field] = $data[$field];break;}$associatedId = [];// TODO: Is this even computed right in all cases of composite keys?foreach ($assoc['targetToSourceKeyColumns'] as $targetColumn => $srcColumn) {$joinColumnValue = $data[$srcColumn] ?? null;if ($joinColumnValue !== null) {if ($joinColumnValue instanceof BackedEnum) {$joinColumnValue = $joinColumnValue->value;}if ($targetClass->containsForeignIdentifier) {$associatedId[$targetClass->getFieldForColumn($targetColumn)] = $joinColumnValue;} else {$associatedId[$targetClass->fieldNames[$targetColumn]] = $joinColumnValue;}} elseif (in_array($targetClass->getFieldForColumn($targetColumn), $targetClass->identifier, true)) {// the missing key is part of target's entity primary key$associatedId = [];break;}}if (! $associatedId) {// Foreign key is NULL$class->reflFields[$field]->setValue($entity, null);$this->originalEntityData[$oid][$field] = null;break;}// Foreign key is set// Check identity map first// FIXME: Can break easily with composite keys if join column values are in// wrong order. The correct order is the one in ClassMetadata#identifier.$relatedIdHash = self::getIdHashByIdentifier($associatedId);switch (true) {case isset($this->identityMap[$targetClass->rootEntityName][$relatedIdHash]):$newValue = $this->identityMap[$targetClass->rootEntityName][$relatedIdHash];// If this is an uninitialized proxy, we are deferring eager loads,// this association is marked as eager fetch, and its an uninitialized proxy (wtf!)// then we can append this entity for eager loading!if ($hints['fetchMode'][$class->name][$field] === ClassMetadata::FETCH_EAGER &&isset($hints[self::HINT_DEFEREAGERLOAD]) &&! $targetClass->isIdentifierComposite &&$this->isUninitializedObject($newValue)) {$this->eagerLoadingEntities[$targetClass->rootEntityName][$relatedIdHash] = current($associatedId);}break;case $targetClass->subClasses:// If it might be a subtype, it can not be lazy. There isn't even// a way to solve this with deferred eager loading, which means putting// an entity with subclasses at a *-to-one location is really bad! (performance-wise)$newValue = $this->getEntityPersister($assoc['targetEntity'])->loadOneToOneEntity($assoc, $entity, $associatedId);break;default:$normalizedAssociatedId = $this->normalizeIdentifier($targetClass, $associatedId);switch (true) {// We are negating the condition here. Other cases will assume it is valid!case $hints['fetchMode'][$class->name][$field] !== ClassMetadata::FETCH_EAGER:$newValue = $this->em->getProxyFactory()->getProxy($assoc['targetEntity'], $normalizedAssociatedId);$this->registerManaged($newValue, $associatedId, []);break;// Deferred eager load only works for single identifier classescase isset($hints[self::HINT_DEFEREAGERLOAD]) &&$hints[self::HINT_DEFEREAGERLOAD] &&! $targetClass->isIdentifierComposite:// TODO: Is there a faster approach?$this->eagerLoadingEntities[$targetClass->rootEntityName][$relatedIdHash] = current($normalizedAssociatedId);$newValue = $this->em->getProxyFactory()->getProxy($assoc['targetEntity'], $normalizedAssociatedId);$this->registerManaged($newValue, $associatedId, []);break;default:// TODO: This is very imperformant, ignore it?$newValue = $this->em->find($assoc['targetEntity'], $normalizedAssociatedId);break;}}$this->originalEntityData[$oid][$field] = $newValue;$class->reflFields[$field]->setValue($entity, $newValue);if ($assoc['inversedBy'] && $assoc['type'] & ClassMetadata::ONE_TO_ONE && $newValue !== null) {$inverseAssoc = $targetClass->associationMappings[$assoc['inversedBy']];$targetClass->reflFields[$inverseAssoc['fieldName']]->setValue($newValue, $entity);}break;default:// Ignore if its a cached collectionif (isset($hints[Query::HINT_CACHE_ENABLED]) && $class->getFieldValue($entity, $field) instanceof PersistentCollection) {break;}// use the given collectionif (isset($data[$field]) && $data[$field] instanceof PersistentCollection) {$data[$field]->setOwner($entity, $assoc);$class->reflFields[$field]->setValue($entity, $data[$field]);$this->originalEntityData[$oid][$field] = $data[$field];break;}// Inject collection$pColl = new PersistentCollection($this->em, $targetClass, new ArrayCollection());$pColl->setOwner($entity, $assoc);$pColl->setInitialized(false);$reflField = $class->reflFields[$field];$reflField->setValue($entity, $pColl);if ($hints['fetchMode'][$class->name][$field] === ClassMetadata::FETCH_EAGER) {$isIteration = isset($hints[Query::HINT_INTERNAL_ITERATION]) && $hints[Query::HINT_INTERNAL_ITERATION];if ($assoc['type'] === ClassMetadata::ONE_TO_MANY && ! $isIteration && ! $targetClass->isIdentifierComposite && ! isset($assoc['indexBy'])) {$this->scheduleCollectionForBatchLoading($pColl, $class);} else {$this->loadCollection($pColl);$pColl->takeSnapshot();}}$this->originalEntityData[$oid][$field] = $pColl;break;}}// defer invoking of postLoad event to hydration complete step$this->hydrationCompleteHandler->deferPostLoadInvoking($class, $entity);return $entity;}/** @return void */public function triggerEagerLoads(){if (! $this->eagerLoadingEntities && ! $this->eagerLoadingCollections) {return;}// avoid infinite recursion$eagerLoadingEntities = $this->eagerLoadingEntities;$this->eagerLoadingEntities = [];foreach ($eagerLoadingEntities as $entityName => $ids) {if (! $ids) {continue;}$class = $this->em->getClassMetadata($entityName);$batches = array_chunk($ids, $this->em->getConfiguration()->getEagerFetchBatchSize());foreach ($batches as $batchedIds) {$this->getEntityPersister($entityName)->loadAll(array_combine($class->identifier, [$batchedIds]));}}$eagerLoadingCollections = $this->eagerLoadingCollections; // avoid recursion$this->eagerLoadingCollections = [];foreach ($eagerLoadingCollections as $group) {$this->eagerLoadCollections($group['items'], $group['mapping']);}}/*** Load all data into the given collections, according to the specified mapping** @param PersistentCollection[] $collections* @param array<string, mixed> $mapping* @psalm-param array{* targetEntity: class-string,* sourceEntity: class-string,* mappedBy: string,* indexBy: string|null,* orderBy: array<string, string>|null* } $mapping*/private function eagerLoadCollections(array $collections, array $mapping): void{$targetEntity = $mapping['targetEntity'];$class = $this->em->getClassMetadata($mapping['sourceEntity']);$mappedBy = $mapping['mappedBy'];$batches = array_chunk($collections, $this->em->getConfiguration()->getEagerFetchBatchSize(), true);foreach ($batches as $collectionBatch) {$entities = [];foreach ($collectionBatch as $collection) {$entities[] = $collection->getOwner();}$found = $this->getEntityPersister($targetEntity)->loadAll([$mappedBy => $entities], $mapping['orderBy'] ?? null);$targetClass = $this->em->getClassMetadata($targetEntity);$targetProperty = $targetClass->getReflectionProperty($mappedBy);foreach ($found as $targetValue) {$sourceEntity = $targetProperty->getValue($targetValue);if ($sourceEntity === null && isset($targetClass->associationMappings[$mappedBy]['joinColumns'])) {// case where the hydration $targetValue itself has not yet fully completed, for example// in case a bi-directional association is being hydrated and deferring eager loading is// not possible due to subclassing.$data = $this->getOriginalEntityData($targetValue);$id = [];foreach ($targetClass->associationMappings[$mappedBy]['joinColumns'] as $joinColumn) {$id[] = $data[$joinColumn['name']];}} else {$id = $this->identifierFlattener->flattenIdentifier($class, $class->getIdentifierValues($sourceEntity));}$idHash = implode(' ', $id);if (isset($mapping['indexBy'])) {$indexByProperty = $targetClass->getReflectionProperty($mapping['indexBy']);$collectionBatch[$idHash]->hydrateSet($indexByProperty->getValue($targetValue), $targetValue);} else {$collectionBatch[$idHash]->add($targetValue);}}}foreach ($collections as $association) {$association->setInitialized(true);$association->takeSnapshot();}}/*** Initializes (loads) an uninitialized persistent collection of an entity.** @param PersistentCollection $collection The collection to initialize.** @return void** @todo Maybe later move to EntityManager#initialize($proxyOrCollection). See DDC-733.*/public function loadCollection(PersistentCollection $collection){$assoc = $collection->getMapping();$persister = $this->getEntityPersister($assoc['targetEntity']);switch ($assoc['type']) {case ClassMetadata::ONE_TO_MANY:$persister->loadOneToManyCollection($assoc, $collection->getOwner(), $collection);break;case ClassMetadata::MANY_TO_MANY:$persister->loadManyToManyCollection($assoc, $collection->getOwner(), $collection);break;}$collection->setInitialized(true);}/*** Schedule this collection for batch loading at the end of the UnitOfWork*/private function scheduleCollectionForBatchLoading(PersistentCollection $collection, ClassMetadata $sourceClass): void{$mapping = $collection->getMapping();$name = $mapping['sourceEntity'] . '#' . $mapping['fieldName'];if (! isset($this->eagerLoadingCollections[$name])) {$this->eagerLoadingCollections[$name] = ['items' => [],'mapping' => $mapping,];}$owner = $collection->getOwner();assert($owner !== null);$id = $this->identifierFlattener->flattenIdentifier($sourceClass,$sourceClass->getIdentifierValues($owner));$idHash = implode(' ', $id);$this->eagerLoadingCollections[$name]['items'][$idHash] = $collection;}/*** Gets the identity map of the UnitOfWork.** @psalm-return array<class-string, array<string, object>>*/public function getIdentityMap(){return $this->identityMap;}/*** Gets the original data of an entity. The original data is the data that was* present at the time the entity was reconstituted from the database.** @param object $entity** @return mixed[]* @psalm-return array<string, mixed>*/public function getOriginalEntityData($entity){$oid = spl_object_id($entity);return $this->originalEntityData[$oid] ?? [];}/*** @param object $entity* @param mixed[] $data** @return void** @ignore*/public function setOriginalEntityData($entity, array $data){$this->originalEntityData[spl_object_id($entity)] = $data;}/*** INTERNAL:* Sets a property value of the original data array of an entity.** @param int $oid* @param string $property* @param mixed $value** @return void** @ignore*/public function setOriginalEntityProperty($oid, $property, $value){$this->originalEntityData[$oid][$property] = $value;}/*** Gets the identifier of an entity.* The returned value is always an array of identifier values. If the entity* has a composite identifier then the identifier values are in the same* order as the identifier field names as returned by ClassMetadata#getIdentifierFieldNames().** @param object $entity** @return mixed[] The identifier values.*/public function getEntityIdentifier($entity){if (! isset($this->entityIdentifiers[spl_object_id($entity)])) {throw EntityNotFoundException::noIdentifierFound(get_debug_type($entity));}return $this->entityIdentifiers[spl_object_id($entity)];}/*** Processes an entity instance to extract their identifier values.** @param object $entity The entity instance.** @return mixed A scalar value.** @throws ORMInvalidArgumentException*/public function getSingleIdentifierValue($entity){$class = $this->em->getClassMetadata(get_class($entity));if ($class->isIdentifierComposite) {throw ORMInvalidArgumentException::invalidCompositeIdentifier();}$values = $this->isInIdentityMap($entity)? $this->getEntityIdentifier($entity): $class->getIdentifierValues($entity);return $values[$class->identifier[0]] ?? null;}/*** Tries to find an entity with the given identifier in the identity map of* this UnitOfWork.** @param mixed $id The entity identifier to look for.* @param string $rootClassName The name of the root class of the mapped entity hierarchy.* @psalm-param class-string $rootClassName** @return object|false Returns the entity with the specified identifier if it exists in* this UnitOfWork, FALSE otherwise.*/public function tryGetById($id, $rootClassName){$idHash = self::getIdHashByIdentifier((array) $id);return $this->identityMap[$rootClassName][$idHash] ?? false;}/*** Schedules an entity for dirty-checking at commit-time.** @param object $entity The entity to schedule for dirty-checking.** @return void** @todo Rename: scheduleForSynchronization*/public function scheduleForDirtyCheck($entity){$rootClassName = $this->em->getClassMetadata(get_class($entity))->rootEntityName;$this->scheduledForSynchronization[$rootClassName][spl_object_id($entity)] = $entity;}/*** Checks whether the UnitOfWork has any pending insertions.** @return bool TRUE if this UnitOfWork has pending insertions, FALSE otherwise.*/public function hasPendingInsertions(){return ! empty($this->entityInsertions);}/*** Calculates the size of the UnitOfWork. The size of the UnitOfWork is the* number of entities in the identity map.** @return int*/public function size(){return array_sum(array_map('count', $this->identityMap));}/*** Gets the EntityPersister for an Entity.** @param string $entityName The name of the Entity.* @psalm-param class-string $entityName** @return EntityPersister*/public function getEntityPersister($entityName){if (isset($this->persisters[$entityName])) {return $this->persisters[$entityName];}$class = $this->em->getClassMetadata($entityName);switch (true) {case $class->isInheritanceTypeNone():$persister = new BasicEntityPersister($this->em, $class);break;case $class->isInheritanceTypeSingleTable():$persister = new SingleTablePersister($this->em, $class);break;case $class->isInheritanceTypeJoined():$persister = new JoinedSubclassPersister($this->em, $class);break;default:throw new RuntimeException('No persister found for entity.');}if ($this->hasCache && $class->cache !== null) {$persister = $this->em->getConfiguration()->getSecondLevelCacheConfiguration()->getCacheFactory()->buildCachedEntityPersister($this->em, $persister, $class);}$this->persisters[$entityName] = $persister;return $this->persisters[$entityName];}/*** Gets a collection persister for a collection-valued association.** @psalm-param AssociationMapping $association** @return CollectionPersister*/public function getCollectionPersister(array $association){$role = isset($association['cache'])? $association['sourceEntity'] . '::' . $association['fieldName']: $association['type'];if (isset($this->collectionPersisters[$role])) {return $this->collectionPersisters[$role];}$persister = $association['type'] === ClassMetadata::ONE_TO_MANY? new OneToManyPersister($this->em): new ManyToManyPersister($this->em);if ($this->hasCache && isset($association['cache'])) {$persister = $this->em->getConfiguration()->getSecondLevelCacheConfiguration()->getCacheFactory()->buildCachedCollectionPersister($this->em, $persister, $association);}$this->collectionPersisters[$role] = $persister;return $this->collectionPersisters[$role];}/*** INTERNAL:* Registers an entity as managed.** @param object $entity The entity.* @param mixed[] $id The identifier values.* @param mixed[] $data The original entity data.** @return void*/public function registerManaged($entity, array $id, array $data){$oid = spl_object_id($entity);$this->entityIdentifiers[$oid] = $id;$this->entityStates[$oid] = self::STATE_MANAGED;$this->originalEntityData[$oid] = $data;$this->addToIdentityMap($entity);if ($entity instanceof NotifyPropertyChanged && ! $this->isUninitializedObject($entity)) {$entity->addPropertyChangedListener($this);}}/*** INTERNAL:* Clears the property changeset of the entity with the given OID.** @param int $oid The entity's OID.** @return void*/public function clearEntityChangeSet($oid){unset($this->entityChangeSets[$oid]);}/* PropertyChangedListener implementation *//*** Notifies this UnitOfWork of a property change in an entity.** @param object $sender The entity that owns the property.* @param string $propertyName The name of the property that changed.* @param mixed $oldValue The old value of the property.* @param mixed $newValue The new value of the property.** @return void*/public function propertyChanged($sender, $propertyName, $oldValue, $newValue){$oid = spl_object_id($sender);$class = $this->em->getClassMetadata(get_class($sender));$isAssocField = isset($class->associationMappings[$propertyName]);if (! $isAssocField && ! isset($class->fieldMappings[$propertyName])) {return; // ignore non-persistent fields}// Update changeset and mark entity for synchronization$this->entityChangeSets[$oid][$propertyName] = [$oldValue, $newValue];if (! isset($this->scheduledForSynchronization[$class->rootEntityName][$oid])) {$this->scheduleForDirtyCheck($sender);}}/*** Gets the currently scheduled entity insertions in this UnitOfWork.** @psalm-return array<int, object>*/public function getScheduledEntityInsertions(){return $this->entityInsertions;}/*** Gets the currently scheduled entity updates in this UnitOfWork.** @psalm-return array<int, object>*/public function getScheduledEntityUpdates(){return $this->entityUpdates;}/*** Gets the currently scheduled entity deletions in this UnitOfWork.** @psalm-return array<int, object>*/public function getScheduledEntityDeletions(){return $this->entityDeletions;}/*** Gets the currently scheduled complete collection deletions** @psalm-return array<int, PersistentCollection<array-key, object>>*/public function getScheduledCollectionDeletions(){return $this->collectionDeletions;}/*** Gets the currently scheduled collection inserts, updates and deletes.** @psalm-return array<int, PersistentCollection<array-key, object>>*/public function getScheduledCollectionUpdates(){return $this->collectionUpdates;}/*** Helper method to initialize a lazy loading proxy or persistent collection.** @param object $obj** @return void*/public function initializeObject($obj){if ($obj instanceof InternalProxy) {$obj->__load();return;}if ($obj instanceof PersistentCollection) {$obj->initialize();}}/*** Tests if a value is an uninitialized entity.** @param mixed $obj** @psalm-assert-if-true InternalProxy $obj*/public function isUninitializedObject($obj): bool{return $obj instanceof InternalProxy && ! $obj->__isInitialized();}/*** Helper method to show an object as string.** @param object $obj*/private static function objToStr($obj): string{return method_exists($obj, '__toString') ? (string) $obj : get_debug_type($obj) . '@' . spl_object_id($obj);}/*** Marks an entity as read-only so that it will not be considered for updates during UnitOfWork#commit().** This operation cannot be undone as some parts of the UnitOfWork now keep gathering information* on this object that might be necessary to perform a correct update.** @param object $object** @return void** @throws ORMInvalidArgumentException*/public function markReadOnly($object){if (! is_object($object) || ! $this->isInIdentityMap($object)) {throw ORMInvalidArgumentException::readOnlyRequiresManagedEntity($object);}$this->readOnlyObjects[spl_object_id($object)] = true;}/*** Is this entity read only?** @param object $object** @return bool** @throws ORMInvalidArgumentException*/public function isReadOnly($object){if (! is_object($object)) {throw ORMInvalidArgumentException::readOnlyRequiresManagedEntity($object);}return isset($this->readOnlyObjects[spl_object_id($object)]);}/*** Perform whatever processing is encapsulated here after completion of the transaction.*/private function afterTransactionComplete(): void{$this->performCallbackOnCachedPersister(static function (CachedPersister $persister) {$persister->afterTransactionComplete();});}/*** Perform whatever processing is encapsulated here after completion of the rolled-back.*/private function afterTransactionRolledBack(): void{$this->performCallbackOnCachedPersister(static function (CachedPersister $persister) {$persister->afterTransactionRolledBack();});}/*** Performs an action after the transaction.*/private function performCallbackOnCachedPersister(callable $callback): void{if (! $this->hasCache) {return;}foreach (array_merge($this->persisters, $this->collectionPersisters) as $persister) {if ($persister instanceof CachedPersister) {$callback($persister);}}}private function dispatchOnFlushEvent(): void{if ($this->evm->hasListeners(Events::onFlush)) {$this->evm->dispatchEvent(Events::onFlush, new OnFlushEventArgs($this->em));}}private function dispatchPostFlushEvent(): void{if ($this->evm->hasListeners(Events::postFlush)) {$this->evm->dispatchEvent(Events::postFlush, new PostFlushEventArgs($this->em));}}/*** Verifies if two given entities actually are the same based on identifier comparison** @param object $entity1* @param object $entity2*/private function isIdentifierEquals($entity1, $entity2): bool{if ($entity1 === $entity2) {return true;}$class = $this->em->getClassMetadata(get_class($entity1));if ($class !== $this->em->getClassMetadata(get_class($entity2))) {return false;}$oid1 = spl_object_id($entity1);$oid2 = spl_object_id($entity2);$id1 = $this->entityIdentifiers[$oid1] ?? $this->identifierFlattener->flattenIdentifier($class, $class->getIdentifierValues($entity1));$id2 = $this->entityIdentifiers[$oid2] ?? $this->identifierFlattener->flattenIdentifier($class, $class->getIdentifierValues($entity2));return $id1 === $id2 || self::getIdHashByIdentifier($id1) === self::getIdHashByIdentifier($id2);}/** @throws ORMInvalidArgumentException */private function assertThatThereAreNoUnintentionallyNonPersistedAssociations(): void{$entitiesNeedingCascadePersist = array_diff_key($this->nonCascadedNewDetectedEntities, $this->entityInsertions);$this->nonCascadedNewDetectedEntities = [];if ($entitiesNeedingCascadePersist) {throw ORMInvalidArgumentException::newEntitiesFoundThroughRelationships(array_values($entitiesNeedingCascadePersist));}}/*** @param object $entity* @param object $managedCopy** @throws ORMException* @throws OptimisticLockException* @throws TransactionRequiredException*/private function mergeEntityStateIntoManagedCopy($entity, $managedCopy): void{if ($this->isUninitializedObject($entity)) {return;}$this->initializeObject($managedCopy);$class = $this->em->getClassMetadata(get_class($entity));foreach ($this->reflectionPropertiesGetter->getProperties($class->name) as $prop) {$name = $prop->name;$prop->setAccessible(true);if (! isset($class->associationMappings[$name])) {if (! $class->isIdentifier($name)) {$prop->setValue($managedCopy, $prop->getValue($entity));}} else {$assoc2 = $class->associationMappings[$name];if ($assoc2['type'] & ClassMetadata::TO_ONE) {$other = $prop->getValue($entity);if ($other === null) {$prop->setValue($managedCopy, null);} else {if ($this->isUninitializedObject($other)) {// do not merge fields marked lazy that have not been fetched.continue;}if (! $assoc2['isCascadeMerge']) {if ($this->getEntityState($other) === self::STATE_DETACHED) {$targetClass = $this->em->getClassMetadata($assoc2['targetEntity']);$relatedId = $targetClass->getIdentifierValues($other);$other = $this->tryGetById($relatedId, $targetClass->name);if (! $other) {if ($targetClass->subClasses) {$other = $this->em->find($targetClass->name, $relatedId);} else {$other = $this->em->getProxyFactory()->getProxy($assoc2['targetEntity'],$relatedId);$this->registerManaged($other, $relatedId, []);}}}$prop->setValue($managedCopy, $other);}}} else {$mergeCol = $prop->getValue($entity);if ($mergeCol instanceof PersistentCollection && ! $mergeCol->isInitialized()) {// do not merge fields marked lazy that have not been fetched.// keep the lazy persistent collection of the managed copy.continue;}$managedCol = $prop->getValue($managedCopy);if (! $managedCol) {$managedCol = new PersistentCollection($this->em,$this->em->getClassMetadata($assoc2['targetEntity']),new ArrayCollection());$managedCol->setOwner($managedCopy, $assoc2);$prop->setValue($managedCopy, $managedCol);}if ($assoc2['isCascadeMerge']) {$managedCol->initialize();// clear and set dirty a managed collection if its not also the same collection to merge from.if (! $managedCol->isEmpty() && $managedCol !== $mergeCol) {$managedCol->unwrap()->clear();$managedCol->setDirty(true);if ($assoc2['isOwningSide']&& $assoc2['type'] === ClassMetadata::MANY_TO_MANY&& $class->isChangeTrackingNotify()) {$this->scheduleForDirtyCheck($managedCopy);}}}}}if ($class->isChangeTrackingNotify()) {// Just treat all properties as changed, there is no other choice.$this->propertyChanged($managedCopy, $name, null, $prop->getValue($managedCopy));}}}/*** This method called by hydrators, and indicates that hydrator totally completed current hydration cycle.* Unit of work able to fire deferred events, related to loading events here.** @internal should be called internally from object hydrators** @return void*/public function hydrationComplete(){$this->hydrationCompleteHandler->hydrationComplete();}private function clearIdentityMapForEntityName(string $entityName): void{if (! isset($this->identityMap[$entityName])) {return;}$visited = [];foreach ($this->identityMap[$entityName] as $entity) {$this->doDetach($entity, $visited, false);}}private function clearEntityInsertionsForEntityName(string $entityName): void{foreach ($this->entityInsertions as $hash => $entity) {// note: performance optimization - `instanceof` is much faster than a function callif ($entity instanceof $entityName && get_class($entity) === $entityName) {unset($this->entityInsertions[$hash]);}}}/*** @param mixed $identifierValue** @return mixed the identifier after type conversion** @throws MappingException if the entity has more than a single identifier.*/private function convertSingleFieldIdentifierToPHPValue(ClassMetadata $class, $identifierValue){return $this->em->getConnection()->convertToPHPValue($identifierValue,$class->getTypeOfField($class->getSingleIdentifierFieldName()));}/*** Given a flat identifier, this method will produce another flat identifier, but with all* association fields that are mapped as identifiers replaced by entity references, recursively.** @param mixed[] $flatIdentifier** @return array<string, mixed>*/private function normalizeIdentifier(ClassMetadata $targetClass, array $flatIdentifier): array{$normalizedAssociatedId = [];foreach ($targetClass->getIdentifierFieldNames() as $name) {if (! array_key_exists($name, $flatIdentifier)) {continue;}if (! $targetClass->isSingleValuedAssociation($name)) {$normalizedAssociatedId[$name] = $flatIdentifier[$name];continue;}$targetIdMetadata = $this->em->getClassMetadata($targetClass->getAssociationTargetClass($name));// Note: the ORM prevents using an entity with a composite identifier as an identifier association// therefore, reset($targetIdMetadata->identifier) is always correct$normalizedAssociatedId[$name] = $this->em->getReference($targetIdMetadata->getName(),$this->normalizeIdentifier($targetIdMetadata,[(string) reset($targetIdMetadata->identifier) => $flatIdentifier[$name]]));}return $normalizedAssociatedId;}/*** Assign a post-insert generated ID to an entity** This is used by EntityPersisters after they inserted entities into the database.* It will place the assigned ID values in the entity's fields and start tracking* the entity in the identity map.** @param object $entity* @param mixed $generatedId*/final public function assignPostInsertId($entity, $generatedId): void{$class = $this->em->getClassMetadata(get_class($entity));$idField = $class->getSingleIdentifierFieldName();$idValue = $this->convertSingleFieldIdentifierToPHPValue($class, $generatedId);$oid = spl_object_id($entity);$class->reflFields[$idField]->setValue($entity, $idValue);$this->entityIdentifiers[$oid] = [$idField => $idValue];$this->entityStates[$oid] = self::STATE_MANAGED;$this->originalEntityData[$oid][$idField] = $idValue;$this->addToIdentityMap($entity);}}