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<?php
declare(strict_types=1);
namespace Doctrine\Persistence;
use Doctrine\Persistence\Mapping\ClassMetadata;
use Doctrine\Persistence\Mapping\ClassMetadataFactory;
/**
* Contract for a Doctrine persistence layer ObjectManager class to implement.
*/
interface ObjectManager
{
/**
* Finds an object by its identifier.
*
* This is just a convenient shortcut for getRepository($className)->find($id).
*
* @param string $className The class name of the object to find.
* @param mixed $id The identity of the object to find.
* @psalm-param class-string<T> $className
*
* @return object|null The found object.
* @psalm-return T|null
*
* @template T of object
*/
public function find(string $className, $id);
/**
* Tells the ObjectManager to make an instance managed and persistent.
*
* The object will be entered into the database as a result of the flush operation.
*
* NOTE: The persist operation always considers objects that are not yet known to
* this ObjectManager as NEW. Do not pass detached objects to the persist operation.
*
* @param object $object The instance to make managed and persistent.
*
* @return void
*/
public function persist(object $object);
/**
* Removes an object instance.
*
* A removed object will be removed from the database as a result of the flush operation.
*
* @param object $object The object instance to remove.
*
* @return void
*/
public function remove(object $object);
/**
* Clears the ObjectManager. All objects that are currently managed
* by this ObjectManager become detached.
*
* @return void
*/
public function clear();
/**
* Detaches an object from the ObjectManager, causing a managed object to
* become detached. Unflushed changes made to the object if any
* (including removal of the object), will not be synchronized to the database.
* Objects which previously referenced the detached object will continue to
* reference it.
*
* @param object $object The object to detach.
*
* @return void
*/
public function detach(object $object);
/**
* Refreshes the persistent state of an object from the database,
* overriding any local changes that have not yet been persisted.
*
* @param object $object The object to refresh.
*
* @return void
*/
public function refresh(object $object);
/**
* Flushes all changes to objects that have been queued up to now to the database.
* This effectively synchronizes the in-memory state of managed objects with the
* database.
*
* @return void
*/
public function flush();
/**
* Gets the repository for a class.
*
* @psalm-param class-string<T> $className
*
* @psalm-return ObjectRepository<T>
*
* @template T of object
*/
public function getRepository(string $className);
/**
* Returns the ClassMetadata descriptor for a class.
*
* The class name must be the fully-qualified class name without a leading backslash
* (as it is returned by get_class($obj)).
*
* @psalm-param class-string<T> $className
*
* @psalm-return ClassMetadata<T>
*
* @template T of object
*/
public function getClassMetadata(string $className);
/**
* Gets the metadata factory used to gather the metadata of classes.
*
* @psalm-return ClassMetadataFactory<ClassMetadata<object>>
*/
public function getMetadataFactory();
/**
* Helper method to initialize a lazy loading proxy or persistent collection.
*
* This method is a no-op for other objects.
*
* @return void
*/
public function initializeObject(object $obj);
/**
* Checks if the object is part of the current UnitOfWork and therefore managed.
*
* @return bool
*/
public function contains(object $object);
}
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