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<?php
declare(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;
use Doctrine\DBAL\Connections\PrimaryReadReplicaConnection;
use Doctrine\DBAL\LockMode;
use Doctrine\ORM\Cache\Persister\CachedPersister;
use Doctrine\ORM\Event\ListenersInvoker;
use Doctrine\ORM\Event\OnClearEventArgs;
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\AssociationMapping;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\Mapping\MappingException;
use Doctrine\ORM\Mapping\ToManyInverseSideMapping;
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\PropertyChangedListener;
use Exception;
use InvalidArgumentException;
use RuntimeException;
use Stringable;
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_sum;
use function array_values;
use function assert;
use function current;
use function get_debug_type;
use function implode;
use function in_array;
use function is_array;
use function is_object;
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.
*/
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.
*
* @psalm-var array<class-string, array<string, object>>
*/
private array $identityMap = [];
/**
* Map of all identifiers of managed entities.
* Keys are object ids (spl_object_id).
*
* @psalm-var array<int, array<string, mixed>>
*/
private array $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 array $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 array $entityChangeSets = [];
/**
* The (cached) states of any known entities.
* Keys are object ids (spl_object_id).
*
* @psalm-var array<int, self::STATE_*>
*/
private array $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 array $scheduledForSynchronization = [];
/**
* A list of all pending entity insertions.
*
* @psalm-var array<int, object>
*/
private array $entityInsertions = [];
/**
* A list of all pending entity updates.
*
* @psalm-var array<int, object>
*/
private array $entityUpdates = [];
/**
* Any pending extra updates that have been scheduled by persisters.
*
* @psalm-var array<int, array{object, array<string, array{mixed, mixed}>}>
*/
private array $extraUpdates = [];
/**
* A list of all pending entity deletions.
*
* @psalm-var array<int, object>
*/
private array $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 array $nonCascadedNewDetectedEntities = [];
/**
* All pending collection deletions.
*
* @psalm-var array<int, PersistentCollection<array-key, object>>
*/
private array $collectionDeletions = [];
/**
* All pending collection updates.
*
* @psalm-var array<int, PersistentCollection<array-key, object>>
*/
private array $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 array $visitedCollections = [];
/**
* List of collections visited during the changeset calculation that contain to-be-removed
* entities and need to have keys removed post commit.
*
* Indexed by Collection object ID, which also serves as the key in self::$visitedCollections;
* values are the key names that need to be removed.
*
* @psalm-var array<int, array<array-key, true>>
*/
private array $pendingCollectionElementRemovals = [];
/**
* The entity persister instances used to persist entity instances.
*
* @psalm-var array<string, EntityPersister>
*/
private array $persisters = [];
/**
* The collection persister instances used to persist collections.
*
* @psalm-var array<array-key, CollectionPersister>
*/
private array $collectionPersisters = [];
/**
* The EventManager used for dispatching events.
*/
private readonly EventManager $evm;
/**
* The ListenersInvoker used for dispatching events.
*/
private readonly ListenersInvoker $listenersInvoker;
/**
* The IdentifierFlattener used for manipulating identifiers
*/
private readonly IdentifierFlattener $identifierFlattener;
/**
* Orphaned entities that are scheduled for removal.
*
* @psalm-var array<int, object>
*/
private array $orphanRemovals = [];
/**
* Read-Only objects are never evaluated
*
* @var array<int, true>
*/
private array $readOnlyObjects = [];
/**
* Map of Entity Class-Names and corresponding IDs that should eager loaded when requested.
*
* @psalm-var array<class-string, array<string, mixed>>
*/
private array $eagerLoadingEntities = [];
/** @var array<string, array<string, mixed>> */
private array $eagerLoadingCollections = [];
protected bool $hasCache = false;
/**
* Helper for handling completion of hydration
*/
private readonly HydrationCompleteHandler $hydrationCompleteHandler;
/**
* Initializes a new UnitOfWork instance, bound to the given EntityManager.
*
* @param EntityManagerInterface $em The EntityManager that "owns" this UnitOfWork instance.
*/
public function __construct(
private readonly EntityManagerInterface $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);
}
/**
* 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
*
* @throws Exception
*/
public function commit(): void
{
$connection = $this->em->getConnection();
if ($connection instanceof PrimaryReadReplicaConnection) {
$connection->ensureConnectedToPrimary();
}
// Raise preFlush
if ($this->evm->hasListeners(Events::preFlush)) {
$this->evm->dispatchEvent(Events::preFlush, new PreFlushEventArgs($this->em));
}
// Compute changes done since last commit.
$this->computeChangeSets();
if (
! ($this->entityInsertions ||
$this->entityDeletions ||
$this->entityUpdates ||
$this->collectionUpdates ||
$this->collectionDeletions ||
$this->orphanRemovals)
) {
$this->dispatchOnFlushEvent();
$this->dispatchPostFlushEvent();
$this->postCommitCleanup();
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($owner::class)->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) {
$this->executeExtraUpdates();
}
// Collection updates (deleteRows, updateRows, insertRows)
// No particular order is necessary, since all entities themselves are already
// in the database
foreach ($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();
}
$commitFailed = false;
try {
if ($conn->commit() === false) {
$commitFailed = true;
}
} catch (DBAL\Exception $e) {
$commitFailed = true;
}
if ($commitFailed) {
throw new OptimisticLockException('Commit failed', null, $e ?? null);
}
} 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();
}
private function postCommitCleanup(): void
{
$this->entityInsertions =
$this->entityUpdates =
$this->entityDeletions =
$this->extraUpdates =
$this->collectionUpdates =
$this->nonCascadedNewDetectedEntities =
$this->collectionDeletions =
$this->pendingCollectionElementRemovals =
$this->visitedCollections =
$this->orphanRemovals =
$this->entityChangeSets =
$this->scheduledForSynchronization = [];
}
/**
* Computes the changesets of all entities scheduled for insertion.
*/
private function computeScheduleInsertsChangeSets(): void
{
foreach ($this->entityInsertions as $entity) {
$class = $this->em->getClassMetadata($entity::class);
$this->computeChangeSet($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;
$this->getEntityPersister($entity::class)->update($entity);
}
$this->extraUpdates = [];
}
/**
* Gets the changeset for an entity.
*
* @return mixed[][]
* @psalm-return array<string, array{mixed, mixed}|PersistentCollection>
*/
public function & getEntityChangeSet(object $entity): array
{
$oid = spl_object_id($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
*
* @template T of object
*
* @ignore
*/
public function computeChangeSet(ClassMetadata $class, object $entity): void
{
$oid = spl_object_id($entity);
if (isset($this->readOnlyObjects[$oid])) {
return;
}
if (! $class->isInheritanceTypeNone()) {
$class = $this->em->getClassMetadata($entity::class);
}
$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];
assert($assoc->isToMany());
// 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->isToOneOwningSide()) {
$changeSet[$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];
$changeSet = [];
foreach ($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 = $orgValue->value;
}
}
}
// skip if value haven't changed
if ($orgValue === $actualValue) {
continue;
}
// if regular field
if (! isset($class->associationMappings[$propName])) {
$changeSet[$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 ($actualValue instanceof PersistentCollection) {
assert($assoc->isToMany());
$owner = $actualValue->getOwner();
if ($owner === null) { // cloned
$actualValue->setOwner($entity, $assoc);
} elseif ($owner !== $entity) { // no clone, we have to fix
if (! $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->isToOne()) {
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] = $entity;
}
}
// Look for changes in associations of the entity
foreach ($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->isManyToManyOwningSide() &&
$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.
*/
public function computeChangeSets(): void
{
// 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-only
if ($class->isReadOnly) {
continue;
}
$entitiesToProcess = match (true) {
$class->isChangeTrackingDeferredImplicit() => $entities,
isset($this->scheduledForSynchronization[$className]) => $this->scheduledForSynchronization[$className],
default => [],
};
foreach ($entitiesToProcess as $entity) {
// Ignore uninitialized proxy objects
if ($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.
*
* @throws ORMInvalidArgumentException
* @throws ORMException
*/
private function computeAssociationChanges(AssociationMapping $assoc, mixed $value): void
{
if ($this->isUninitializedObject($value)) {
return;
}
// If this collection is dirty, schedule it for updates
if ($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 = $assoc->isToOne() ? [$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->isToMany()) {
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.
}
}
}
/**
* @psalm-param ClassMetadata<T> $class
* @psalm-param T $entity
*
* @template T of object
*/
private function persistNew(ClassMetadata $class, object $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 generator
if (! $this->hasMissingIdsWhichAreForeignKeys($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
*
* @throws ORMInvalidArgumentException If the passed entity is not MANAGED.
*
* @template T of object
* @ignore
*/
public function recomputeSingleEntityChangeSet(ClassMetadata $class, object $entity): void
{
$oid = spl_object_id($entity);
if (! isset($this->entityStates[$oid]) || $this->entityStates[$oid] !== self::STATE_MANAGED) {
throw ORMInvalidArgumentException::entityNotManaged($entity);
}
if (! $class->isInheritanceTypeNone()) {
$class = $this->em->getClassMetadata($entity::class);
}
$actualData = [];
foreach ($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] = [...$this->entityChangeSets[$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 = $this->em->getClassMetadata($entity::class);
$persister = $this->getEntityPersister($class->name);
$persister->addInsert($entity);
unset($this->entityInsertions[$oid]);
$persister->executeInserts();
if (! isset($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'],
);
}
}
/**
* @psalm-param ClassMetadata<T> $class
* @psalm-param T $entity
*
* @template T of object
*/
private function addToEntityIdentifiersAndEntityMap(
ClassMetadata $class,
int $oid,
object $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 = $this->em->getClassMetadata($entity::class);
$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 = $this->em->getClassMetadata($entity::class);
$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
{
$sort = new TopologicalSort();
// First make sure we have all the nodes
foreach ($this->entityInsertions as $entity) {
$sort->addNode($entity);
}
// Now add edges
foreach ($this->entityInsertions as $entity) {
$class = $this->em->getClassMetadata($entity::class);
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->isToOneOwningSide()) {
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.
$joinColumns = reset($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 = $this->em->getClassMetadata($entity::class);
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->isToOneOwningSide()) {
continue;
}
$joinColumns = reset($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 = $this->em->getClassMetadata($entity::class);
// 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->isToOneOwningSide()) {
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.
$joinColumns = reset($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.
*
* @throws ORMInvalidArgumentException
* @throws InvalidArgumentException
*/
public function scheduleForInsert(object $entity): void
{
$oid = spl_object_id($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);
}
}
/**
* Checks whether an entity is scheduled for insertion.
*/
public function isScheduledForInsert(object $entity): bool
{
return isset($this->entityInsertions[spl_object_id($entity)]);
}
/**
* Schedules an entity for being updated.
*
* @throws ORMInvalidArgumentException
*/
public function scheduleForUpdate(object $entity): void
{
$oid = spl_object_id($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.
*
* @psalm-param array<string, array{mixed, mixed}> $changeset The changeset of the entity (what to update).
*
* @ignore
*/
public function scheduleExtraUpdate(object $entity, array $changeset): void
{
$oid = spl_object_id($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.
*/
public function isScheduledForUpdate(object $entity): bool
{
return isset($this->entityUpdates[spl_object_id($entity)]);
}
/**
* Checks whether an entity is registered to be checked in the unit of work.
*/
public function isScheduledForDirtyCheck(object $entity): bool
{
$rootEntityName = $this->em->getClassMetadata($entity::class)->rootEntityName;
return isset($this->scheduledForSynchronization[$rootEntityName][spl_object_id($entity)]);
}
/**
* INTERNAL:
* Schedules an entity for deletion.
*/
public function scheduleForDelete(object $entity): void
{
$oid = spl_object_id($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.
*/
public function isScheduledForDelete(object $entity): bool
{
return isset($this->entityDeletions[spl_object_id($entity)]);
}
/**
* Checks whether an entity is scheduled for insertion, update or deletion.
*/
public function isEntityScheduled(object $entity): bool
{
$oid = spl_object_id($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.
*
* @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(object $entity): bool
{
$classMetadata = $this->em->getClassMetadata($entity::class);
$idHash = $this->getIdHashByEntity($entity);
$className = $classMetadata->rootEntityName;
if (isset($this->identityMap[$className][$idHash])) {
if ($this->identityMap[$className][$idHash] !== $entity) {
throw EntityIdentityCollisionException::create($this->identityMap[$className][$idHash], $entity, $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(object $entity): string
{
$identifier = $this->entityIdentifiers[spl_object_id($entity)];
if (empty($identifier) || in_array(null, $identifier, true)) {
$classMetadata = $this->em->getClassMetadata($entity::class);
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 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
*
* @psalm-return self::STATE_*
*/
public function getEntityState(object $entity, int|null $assume = null): int
{
$oid = spl_object_id($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 = $this->em->getClassMetadata($entity::class);
$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, $class->rootEntityName)) {
return self::STATE_DETACHED;
}
// db lookup
if ($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, $class->rootEntityName)) {
return self::STATE_DETACHED;
}
// db lookup
if ($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.
*
* @throws ORMInvalidArgumentException
*
* @ignore
*/
public function removeFromIdentityMap(object $entity): bool
{
$oid = spl_object_id($entity);
$classMetadata = $this->em->getClassMetadata($entity::class);
$idHash = self::getIdHashByIdentifier($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.
*
* @ignore
*/
public function getByIdHash(string $idHash, string $rootClassName): object|null
{
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)
*
* @return false|object The found entity or FALSE.
*
* @ignore
*/
public function tryGetByIdHash(mixed $idHash, string $rootClassName): object|false
{
$stringIdHash = (string) $idHash;
return $this->identityMap[$rootClassName][$stringIdHash] ?? false;
}
/**
* Checks whether an entity is registered in the identity map of this UnitOfWork.
*/
public function isInIdentityMap(object $entity): bool
{
$oid = spl_object_id($entity);
if (empty($this->entityIdentifiers[$oid])) {
return false;
}
$classMetadata = $this->em->getClassMetadata($entity::class);
$idHash = self::getIdHashByIdentifier($this->entityIdentifiers[$oid]);
return isset($this->identityMap[$classMetadata->rootEntityName][$idHash]);
}
/**
* Persists an entity as part of the current unit of work.
*/
public function persist(object $entity): void
{
$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.
*
* @psalm-param array<int, object> $visited The already visited entities.
*
* @throws ORMInvalidArgumentException
* @throws UnexpectedValueException
*/
private function doPersist(object $entity, array &$visited): void
{
$oid = spl_object_id($entity);
if (isset($visited[$oid])) {
return; // Prevent infinite recursion
}
$visited[$oid] = $entity; // Mark visited
$class = $this->em->getClassMetadata($entity::class);
// 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, $entity);
break;
case self::STATE_REMOVED:
// Entity becomes managed again
unset($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.
*/
public function remove(object $entity): void
{
$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.
*
* @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(object $entity, array &$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 = $this->em->getClassMetadata($entity::class);
$entityState = $this->getEntityState($entity);
switch ($entityState) {
case self::STATE_NEW:
case self::STATE_REMOVED:
// nothing to do
break;
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),
));
}
}
/**
* Detaches an entity from the persistence management. It's persistence will
* no longer be managed by Doctrine.
*/
public function detach(object $entity): void
{
$visited = [];
$this->doDetach($entity, $visited);
}
/**
* Executes a detach operation on the given entity.
*
* @param mixed[] $visited
* @param bool $noCascade if true, don't cascade detach operation.
*/
private function doDetach(
object $entity,
array &$visited,
bool $noCascade = false,
): void {
$oid = spl_object_id($entity);
if (isset($visited[$oid])) {
return; // Prevent infinite recursion
}
$visited[$oid] = $entity; // mark visited
switch ($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.
*
* @psalm-param LockMode::*|null $lockMode
*
* @throws InvalidArgumentException If the entity is not MANAGED.
* @throws TransactionRequiredException
*/
public function refresh(object $entity, LockMode|int|null $lockMode = null): void
{
$visited = [];
$this->doRefresh($entity, $visited, $lockMode);
}
/**
* Executes a refresh operation on an entity.
*
* @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(object $entity, array &$visited, LockMode|int|null $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 = $this->em->getClassMetadata($entity::class);
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.
*
* @psalm-param array<int, object> $visited
* @psalm-param LockMode::*|null $lockMode
*/
private function cascadeRefresh(object $entity, array &$visited, LockMode|int|null $lockMode = null): void
{
$class = $this->em->getClassMetadata($entity::class);
$associationMappings = array_filter(
$class->associationMappings,
static fn (AssociationMapping $assoc): bool => $assoc->isCascadeRefresh()
);
foreach ($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 array<int, object> $visited
*/
private function cascadeDetach(object $entity, array &$visited): void
{
$class = $this->em->getClassMetadata($entity::class);
$associationMappings = array_filter(
$class->associationMappings,
static fn (AssociationMapping $assoc): bool => $assoc->isCascadeDetach()
);
foreach ($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 the save operation to associated entities.
*
* @psalm-param array<int, object> $visited
*/
private function cascadePersist(object $entity, array &$visited): void
{
if ($this->isUninitializedObject($entity)) {
// nothing to do - proxy is not initialized, therefore we don't do anything with it
return;
}
$class = $this->em->getClassMetadata($entity::class);
$associationMappings = array_filter(
$class->associationMappings,
static fn (AssociationMapping $assoc): bool => $assoc->isCascadePersist()
);
foreach ($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->isToMany() <= 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.
*
* @psalm-param array<int, object> $visited
*/
private function cascadeRemove(object $entity, array &$visited): void
{
$class = $this->em->getClassMetadata($entity::class);
$associationMappings = array_filter(
$class->associationMappings,
static fn (AssociationMapping $assoc): bool => $assoc->isCascadeRemove()
);
if ($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.
*
* @psalm-param LockMode::* $lockMode
*
* @throws ORMInvalidArgumentException
* @throws TransactionRequiredException
* @throws OptimisticLockException
*/
public function lock(object $entity, LockMode|int $lockMode, DateTimeInterface|int|null $lockVersion = null): void
{
if ($this->getEntityState($entity, self::STATE_DETACHED) !== self::STATE_MANAGED) {
throw ORMInvalidArgumentException::entityNotManaged($entity);
}
$class = $this->em->getClassMetadata($entity::class);
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($entity);
// phpcs:ignore SlevomatCodingStandard.Operators.DisallowEqualOperators.DisallowedNotEqualOperator
if ($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.
*/
public function clear(): void
{
$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 =
$this->orphanRemovals = [];
if ($this->evm->hasListeners(Events::onClear)) {
$this->evm->dispatchEvent(Events::onClear, new OnClearEventArgs($this->em));
}
}
/**
* 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.
*
* @ignore
*/
public function scheduleOrphanRemoval(object $entity): void
{
$this->orphanRemovals[spl_object_id($entity)] = $entity;
}
/**
* INTERNAL:
* Cancels a previously scheduled orphan removal.
*
* @ignore
*/
public function cancelOrphanRemoval(object $entity): void
{
unset($this->orphanRemovals[spl_object_id($entity)]);
}
/**
* INTERNAL:
* Schedules a complete collection for removal when this UnitOfWork commits.
*/
public function scheduleCollectionDeletion(PersistentCollection $coll): void
{
$coid = spl_object_id($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;
}
public function isCollectionScheduledForDeletion(PersistentCollection $coll): bool
{
return isset($this->collectionDeletions[spl_object_id($coll)]);
}
/**
* 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(string $className, array $data, array &$hints = []): object
{
$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;
}
}
$this->originalEntityData[$oid] = $data;
} else {
$entity = $class->newInstance();
$oid = spl_object_id($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]);
}
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->isToOne():
if (! $assoc->isOwningSide()) {
// use the given entity association
if (isset($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, $entity));
continue 2;
}
// use the entity association
if (isset($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;
}
$associatedId = [];
assert($assoc->isToOneOwningSide());
// 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, $associatedId, []);
break;
// Deferred eager load only works for single identifier classes
case isset($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 !== null && $assoc->isOneToOne() && $newValue !== null) {
$inverseAssoc = $targetClass->associationMappings[$assoc->inversedBy];
$targetClass->reflFields[$inverseAssoc->fieldName]->setValue($newValue, $entity);
}
break;
default:
assert($assoc->isToMany());
// Ignore if its a cached collection
if (isset($hints[Query::HINT_CACHE_ENABLED]) && $class->getFieldValue($entity, $field) instanceof PersistentCollection) {
break;
}
// use the given collection
if (isset($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 (! $isIteration && $assoc->isOneToMany() && ! $targetClass->isIdentifierComposite && ! $assoc->isIndexed()) {
$this->scheduleCollectionForBatchLoading($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;
}
public function triggerEagerLoads(): void
{
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
*/
private function eagerLoadCollections(array $collections, ToManyInverseSideMapping $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);
$targetClass = $this->em->getClassMetadata($targetEntity);
$targetProperty = $targetClass->getReflectionProperty($mappedBy);
assert($targetProperty !== null);
foreach ($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(' ', $id);
if ($mapping->indexBy !== null) {
$indexByProperty = $targetClass->getReflectionProperty($mapping->indexBy);
assert($indexByProperty !== null);
$collectionBatch[$idHash]->hydrateSet($indexByProperty->getValue($targetValue), $targetValue);
} else {
$collectionBatch[$idHash]->add($targetValue);
}
}
}
foreach ($collections as $association) {
$association->setInitialized(true);
$association->takeSnapshot();
}
}
/**
* Initializes (loads) an uninitialized persistent collection of an entity.
*
* @todo Maybe later move to EntityManager#initialize($proxyOrCollection). See DDC-733.
*/
public function loadCollection(PersistentCollection $collection): void
{
$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(): array
{
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.
*
* @psalm-return array<string, mixed>
*/
public function getOriginalEntityData(object $entity): array
{
$oid = spl_object_id($entity);
return $this->originalEntityData[$oid] ?? [];
}
/**
* @param mixed[] $data
*
* @ignore
*/
public function setOriginalEntityData(object $entity, array $data): void
{
$this->originalEntityData[spl_object_id($entity)] = $data;
}
/**
* INTERNAL:
* Sets a property value of the original data array of an entity.
*
* @ignore
*/
public function setOriginalEntityProperty(int $oid, string $property, mixed $value): void
{
$this->originalEntityData[$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().
*
* @return mixed[] The identifier values.
*/
public function getEntityIdentifier(object $entity): array
{
return $this->entityIdentifiers[spl_object_id($entity)]
?? throw EntityNotFoundException::noIdentifierFound(get_debug_type($entity));
}
/**
* Processes an entity instance to extract their identifier values.
*
* @return mixed A scalar value.
*
* @throws ORMInvalidArgumentException
*/
public function getSingleIdentifierValue(object $entity): mixed
{
$class = $this->em->getClassMetadata($entity::class);
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(mixed $id, string $rootClassName): object|false
{
$idHash = self::getIdHashByIdentifier((array) $id);
return $this->identityMap[$rootClassName][$idHash] ?? false;
}
/**
* Schedules an entity for dirty-checking at commit-time.
*
* @todo Rename: scheduleForSynchronization
*/
public function scheduleForDirtyCheck(object $entity): void
{
$rootClassName = $this->em->getClassMetadata($entity::class)->rootEntityName;
$this->scheduledForSynchronization[$rootClassName][spl_object_id($entity)] = $entity;
}
/**
* Checks whether the UnitOfWork has any pending insertions.
*/
public function hasPendingInsertions(): bool
{
return ! empty($this->entityInsertions);
}
/**
* Calculates the size of the UnitOfWork. The size of the UnitOfWork is the
* number of entities in the identity map.
*/
public function size(): int
{
return array_sum(array_map('count', $this->identityMap));
}
/**
* Gets the EntityPersister for an Entity.
*
* @psalm-param class-string $entityName
*/
public function getEntityPersister(string $entityName): EntityPersister
{
if (isset($this->persisters[$entityName])) {
return $this->persisters[$entityName];
}
$class = $this->em->getClassMetadata($entityName);
$persister = match (true) {
$class->isInheritanceTypeNone() => new BasicEntityPersister($this->em, $class),
$class->isInheritanceTypeSingleTable() => new SingleTablePersister($this->em, $class),
$class->isInheritanceTypeJoined() => new JoinedSubclassPersister($this->em, $class),
default => throw new RuntimeException('No persister found for entity.'),
};
if ($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. */
public function getCollectionPersister(AssociationMapping $association): CollectionPersister
{
$role = isset($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 mixed[] $id The identifier values.
* @param mixed[] $data The original entity data.
*/
public function registerManaged(object $entity, array $id, array $data): void
{
$oid = spl_object_id($entity);
$this->entityIdentifiers[$oid] = $id;
$this->entityStates[$oid] = self::STATE_MANAGED;
$this->originalEntityData[$oid] = $data;
$this->addToIdentityMap($entity);
}
/* PropertyChangedListener implementation */
/**
* Notifies this UnitOfWork of a property change in an entity.
*
* {@inheritDoc}
*/
public function propertyChanged(object $sender, string $propertyName, mixed $oldValue, mixed $newValue): void
{
$oid = spl_object_id($sender);
$class = $this->em->getClassMetadata($sender::class);
$isAssocField = isset($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(): array
{
return $this->entityInsertions;
}
/**
* Gets the currently scheduled entity updates in this UnitOfWork.
*
* @psalm-return array<int, object>
*/
public function getScheduledEntityUpdates(): array
{
return $this->entityUpdates;
}
/**
* Gets the currently scheduled entity deletions in this UnitOfWork.
*
* @psalm-return array<int, object>
*/
public function getScheduledEntityDeletions(): array
{
return $this->entityDeletions;
}
/**
* Gets the currently scheduled complete collection deletions
*
* @psalm-return array<int, PersistentCollection<array-key, object>>
*/
public function getScheduledCollectionDeletions(): array
{
return $this->collectionDeletions;
}
/**
* Gets the currently scheduled collection inserts, updates and deletes.
*
* @psalm-return array<int, PersistentCollection<array-key, object>>
*/
public function getScheduledCollectionUpdates(): array
{
return $this->collectionUpdates;
}
/**
* Helper method to initialize a lazy loading proxy or persistent collection.
*/
public function initializeObject(object $obj): void
{
if ($obj instanceof InternalProxy) {
$obj->__load();
return;
}
if ($obj instanceof PersistentCollection) {
$obj->initialize();
}
}
/**
* Tests if a value is an uninitialized entity.
*
* @psalm-assert-if-true InternalProxy $obj
*/
public function isUninitializedObject(mixed $obj): bool
{
return $obj instanceof InternalProxy && ! $obj->__isInitialized();
}
/**
* Helper method to show an object as string.
*/
private static function objToStr(object $obj): string
{
return $obj instanceof Stringable ? (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.
*
* @throws ORMInvalidArgumentException
*/
public function markReadOnly(object $object): void
{
if (! $this->isInIdentityMap($object)) {
throw ORMInvalidArgumentException::readOnlyRequiresManagedEntity($object);
}
$this->readOnlyObjects[spl_object_id($object)] = true;
}
/**
* Is this entity read only?
*
* @throws ORMInvalidArgumentException
*/
public function isReadOnly(object $object): bool
{
return isset($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): void {
$persister->afterTransactionComplete();
});
}
/**
* Perform whatever processing is encapsulated here after completion of the rolled-back.
*/
private function afterTransactionRolledBack(): void
{
$this->performCallbackOnCachedPersister(static function (CachedPersister $persister): void {
$persister->afterTransactionRolledBack();
});
}
/**
* Performs an action after the transaction.
*/
private function performCallbackOnCachedPersister(callable $callback): void
{
if (! $this->hasCache) {
return;
}
foreach ([...$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
*/
private function isIdentifierEquals(object $entity1, object $entity2): bool
{
if ($entity1 === $entity2) {
return true;
}
$class = $this->em->getClassMetadata($entity1::class);
if ($class !== $this->em->getClassMetadata($entity2::class)) {
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),
);
}
}
/**
* 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
*/
public function hydrationComplete(): void
{
$this->hydrationCompleteHandler->hydrationComplete();
}
/** @throws MappingException if the entity has more than a single identifier. */
private function convertSingleFieldIdentifierToPHPValue(ClassMetadata $class, mixed $identifierValue): mixed
{
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.
*/
final public function assignPostInsertId(object $entity, mixed $generatedId): void
{
$class = $this->em->getClassMetadata($entity::class);
$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);
}
}

vendor/doctrine/orm/src/UnitOfWork.php line 2354