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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Persistence;
/**
* Contract for a Doctrine persistence layer ObjectManager class to implement.
*
* @link www.doctrine-project.org
* @since 2.1
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Jonathan Wage <jonwage@gmail.com>
*/
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 $id The identity of the object to find.
*
* @return object The found object.
*/
public function find($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);
/**
* 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);
/**
* Merges the state of a detached object into the persistence context
* of this ObjectManager and returns the managed copy of the object.
* The object passed to merge will not become associated/managed with this ObjectManager.
*
* @param object $object
*
* @return object
*/
public function merge($object);
/**
* Clears the ObjectManager. All objects that are currently managed
* by this ObjectManager become detached.
*
* @param string|null $objectName if given, only objects of this type will get detached.
*
* @return void
*/
public function clear($objectName = null);
/**
* 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);
/**
* 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);
/**
* 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.
*
* @param string $className
*
* @return \Doctrine\Common\Persistence\ObjectRepository
*/
public function getRepository($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)).
*
* @param string $className
*
* @return \Doctrine\Common\Persistence\Mapping\ClassMetadata
*/
public function getClassMetadata($className);
/**
* Gets the metadata factory used to gather the metadata of classes.
*
* @return \Doctrine\Common\Persistence\Mapping\ClassMetadataFactory
*/
public function getMetadataFactory();
/**
* Helper method to initialize a lazy loading proxy or persistent collection.
*
* This method is a no-op for other objects.
*
* @param object $obj
*
* @return void
*/
public function initializeObject($obj);
/**
* Checks if the object is part of the current UnitOfWork and therefore managed.
*
* @param object $object
*
* @return bool
*/
public function contains($object);
}
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