*/ class PreUpdateEventArgs extends LifecycleEventArgs { /** @var array> */ private $entityChangeSet; /** * @param array> $changeSet * @psalm-param TObjectManager $objectManager */ public function __construct(object $entity, ObjectManager $objectManager, array &$changeSet) { parent::__construct($entity, $objectManager); $this->entityChangeSet = &$changeSet; } /** * Retrieves the entity changeset. * * @return array> */ public function getEntityChangeSet() { return $this->entityChangeSet; } /** * Checks if field has a changeset. * * @return bool */ public function hasChangedField(string $field) { return isset($this->entityChangeSet[$field]); } /** * Gets the old value of the changeset of the changed field. * * @return mixed */ public function getOldValue(string $field) { $this->assertValidField($field); return $this->entityChangeSet[$field][0]; } /** * Gets the new value of the changeset of the changed field. * * @return mixed */ public function getNewValue(string $field) { $this->assertValidField($field); return $this->entityChangeSet[$field][1]; } /** * Sets the new value of this field. * * @param mixed $value * * @return void */ public function setNewValue(string $field, $value) { $this->assertValidField($field); $this->entityChangeSet[$field][1] = $value; } /** * Asserts the field exists in changeset. * * @return void * * @throws InvalidArgumentException */ private function assertValidField(string $field) { if (! isset($this->entityChangeSet[$field])) { throw new InvalidArgumentException(sprintf( 'Field "%s" is not a valid field of the entity "%s" in PreUpdateEventArgs.', $field, get_class($this->getObject()) )); } } }