686 lines
20 KiB
PHP
686 lines
20 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* 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 LGPL. For more information, see
|
|
* <http://www.phpdoctrine.org>.
|
|
*/
|
|
|
|
#namespace Doctrine\ORM;
|
|
|
|
#use Doctrine\Common\Configuration;
|
|
#use Doctrine\Common\EventManager;
|
|
#use Doctrine\DBAL\Connection;
|
|
#use Doctrine\ORM\Exceptions\EntityManagerException;
|
|
#use Doctrine\ORM\Internal\UnitOfWork;
|
|
#use Doctrine\ORM\Mapping\ClassMetadata;
|
|
|
|
/**
|
|
* The EntityManager is the central access point to ORM functionality.
|
|
*
|
|
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
|
|
* @link www.phpdoctrine.org
|
|
* @since 2.0
|
|
* @version $Revision$
|
|
* @author Roman Borschel <roman@code-factory.org>
|
|
*/
|
|
class Doctrine_ORM_EntityManager
|
|
{
|
|
/**
|
|
* IMMEDIATE: Flush occurs automatically after each operation that issues database
|
|
* queries. No operations are queued.
|
|
*/
|
|
const FLUSHMODE_IMMEDIATE = 'immediate';
|
|
/**
|
|
* AUTO: Flush occurs automatically in the following situations:
|
|
* - Before any query executions (to prevent getting stale data)
|
|
* - On EntityManager#commit()
|
|
*/
|
|
const FLUSHMODE_AUTO = 'auto';
|
|
/**
|
|
* COMMIT: Flush occurs automatically only on EntityManager#commit().
|
|
*/
|
|
const FLUSHMODE_COMMIT = 'commit';
|
|
/**
|
|
* MANUAL: Flush occurs never automatically. The only way to flush is
|
|
* through EntityManager#flush().
|
|
*/
|
|
const FLUSHMODE_MANUAL = 'manual';
|
|
|
|
/**
|
|
* The currently active EntityManager. Only one EntityManager can be active
|
|
* at any time.
|
|
*
|
|
* @var Doctrine\ORM\EntityManager
|
|
*/
|
|
private static $_activeEm;
|
|
|
|
/**
|
|
* The unique name of the EntityManager.
|
|
*
|
|
* @var string
|
|
*/
|
|
private $_name;
|
|
|
|
/**
|
|
* The used Configuration.
|
|
*
|
|
* @var Doctrine\ORM\Configuration
|
|
*/
|
|
private $_config;
|
|
|
|
/**
|
|
* The database connection used by the EntityManager.
|
|
*
|
|
* @var Doctrine\DBAL\Connection
|
|
*/
|
|
private $_conn;
|
|
|
|
/**
|
|
* The metadata factory, used to retrieve the metadata of entity classes.
|
|
*
|
|
* @var Doctrine\ORM\Mapping\ClassMetadataFactory
|
|
*/
|
|
private $_metadataFactory;
|
|
|
|
/**
|
|
* The EntityPersister instances used to persist entity instances.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $_persisters = array();
|
|
|
|
/**
|
|
* The EntityRepository instances.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $_repositories = array();
|
|
|
|
/**
|
|
* The currently used flush mode. Defaults to 'commit'.
|
|
*
|
|
* @var string
|
|
*/
|
|
private $_flushMode = 'commit';
|
|
|
|
/**
|
|
* The UnitOfWork used to coordinate object-level transactions.
|
|
*
|
|
* @var Doctrine\ORM\UnitOfWork
|
|
*/
|
|
private $_unitOfWork;
|
|
|
|
/**
|
|
* The event manager that is the central point of the event system.
|
|
*
|
|
* @var Doctrine\Common\EventManager
|
|
*/
|
|
private $_eventManager;
|
|
|
|
/**
|
|
* The maintained (cached) Id generators.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $_idGenerators = array();
|
|
|
|
/**
|
|
* The maintained (cached) hydrators. One instance per type.
|
|
*
|
|
* @var array
|
|
*/
|
|
private $_hydrators = array();
|
|
|
|
/** Whether the EntityManager is closed or not. */
|
|
private $_closed = false;
|
|
|
|
/**
|
|
* Creates a new EntityManager that operates on the given database connection
|
|
* and uses the given Configuration and EventManager implementations.
|
|
*
|
|
* @param Doctrine\DBAL\Connection $conn
|
|
* @param string $name
|
|
* @param Doctrine\ORM\Configuration $config
|
|
* @param Doctrine\Common\EventManager $eventManager
|
|
*/
|
|
protected function __construct(
|
|
Doctrine_DBAL_Connection $conn,
|
|
$name,
|
|
Doctrine_ORM_Configuration $config,
|
|
Doctrine_Common_EventManager $eventManager)
|
|
{
|
|
$this->_conn = $conn;
|
|
$this->_name = $name;
|
|
$this->_config = $config;
|
|
$this->_eventManager = $eventManager;
|
|
$this->_metadataFactory = new Doctrine_ORM_Mapping_ClassMetadataFactory(
|
|
$this->_config->getMetadataDriverImpl(),
|
|
$this->_conn->getDatabasePlatform());
|
|
$this->_metadataFactory->setCacheDriver($this->_config->getMetadataCacheImpl());
|
|
$this->_unitOfWork = new Doctrine_ORM_UnitOfWork($this);
|
|
}
|
|
|
|
/**
|
|
* Gets the database connection object used by the EntityManager.
|
|
*
|
|
* @return Doctrine\DBAL\Connection
|
|
*/
|
|
public function getConnection()
|
|
{
|
|
return $this->_conn;
|
|
}
|
|
|
|
/**
|
|
* Gets the metadata factory used to gather the metadata of classes.
|
|
*
|
|
* @return Doctrine\ORM\Mapping\ClassMetadataFactory
|
|
*/
|
|
public function getMetadataFactory()
|
|
{
|
|
return $this->_metadataFactory;
|
|
}
|
|
|
|
/**
|
|
* Gets the name of the EntityManager.
|
|
*
|
|
* @return string The name of the EntityManager.
|
|
*/
|
|
public function getName()
|
|
{
|
|
return $this->_name;
|
|
}
|
|
|
|
/**
|
|
* Starts a transaction on the underlying connection.
|
|
*/
|
|
public function beginTransaction()
|
|
{
|
|
return $this->_conn->beginTransaction();
|
|
}
|
|
|
|
/**
|
|
* Commits a running transaction.
|
|
* This causes a flush() of the EntityManager if the flush mode is set to
|
|
* AUTO or COMMIT.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function commit()
|
|
{
|
|
if ($this->_flushMode == self::FLUSHMODE_AUTO || $this->_flushMode == self::FLUSHMODE_COMMIT) {
|
|
$this->flush();
|
|
}
|
|
return $this->_conn->commitTransaction();
|
|
}
|
|
|
|
/**
|
|
* Returns the metadata for a class.
|
|
*
|
|
* @return Doctrine\ORM\Mapping\ClassMetadata
|
|
* @internal Performance-sensitive method.
|
|
*/
|
|
public function getClassMetadata($className)
|
|
{
|
|
return $this->_metadataFactory->getMetadataFor($className);
|
|
}
|
|
|
|
/**
|
|
* Gets an IdGenerator that can be used to generate identifiers for the specified
|
|
* class.
|
|
*/
|
|
public function getIdGenerator($className)
|
|
{
|
|
if (!isset($this->_idGenerators[$className])) {
|
|
$this->_idGenerators[$className] = $this->_createIdGenerator(
|
|
$this->getClassMetadata($className)->getIdGeneratorType());
|
|
}
|
|
return $this->_idGenerators[$className];
|
|
}
|
|
|
|
/**
|
|
* Used to lazily create the id generator.
|
|
*
|
|
* @param string $generatorType
|
|
* @return object
|
|
*/
|
|
protected function _createIdGenerator($generatorType)
|
|
{
|
|
if ($generatorType == Doctrine_ORM_Mapping_ClassMetadata::GENERATOR_TYPE_IDENTITY) {
|
|
return new Doctrine_ORM_Id_IdentityGenerator($this);
|
|
} else if ($generatorType == Doctrine_ORM_Mapping_ClassMetadata::GENERATOR_TYPE_SEQUENCE) {
|
|
return new Doctrine_ORM_Id_SequenceGenerator($this);
|
|
} else if ($generatorType == Doctrine_ORM_Mapping_ClassMetadata::GENERATOR_TYPE_TABLE) {
|
|
return new Doctrine_ORM_Id_TableGenerator($this);
|
|
} else {
|
|
return new Doctrine_ORM_Id_Assigned($this);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a new Query object.
|
|
*
|
|
* @param string The DQL string.
|
|
* @return Doctrine\ORM\Query
|
|
*/
|
|
public function createQuery($dql = "")
|
|
{
|
|
$query = new Doctrine_ORM_Query($this);
|
|
if ( ! empty($dql)) {
|
|
$query->setDql($dql);
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Gets the EntityPersister for an Entity.
|
|
*
|
|
* This is usually not of interest for users, mainly for internal use.
|
|
*
|
|
* @param string $entityName The name of the Entity.
|
|
* @return Doctrine\ORM\Persister\AbstractEntityPersister
|
|
*/
|
|
public function getEntityPersister($entityName)
|
|
{
|
|
if ( ! isset($this->_persisters[$entityName])) {
|
|
$class = $this->getClassMetadata($entityName);
|
|
if ($class->isInheritanceTypeJoined()) {
|
|
$persister = new Doctrine_EntityPersister_JoinedSubclass($this, $class);
|
|
} else {
|
|
$persister = new Doctrine_ORM_Persisters_StandardEntityPersister($this, $class);
|
|
}
|
|
$this->_persisters[$entityName] = $persister;
|
|
}
|
|
return $this->_persisters[$entityName];
|
|
}
|
|
|
|
/**
|
|
* Detaches an entity from the manager. It's lifecycle is no longer managed.
|
|
*
|
|
* @param Doctrine\ORM\Entity $entity
|
|
* @return boolean
|
|
*/
|
|
public function detach(Doctrine_ORM_Entity $entity)
|
|
{
|
|
return $this->_unitOfWork->removeFromIdentityMap($entity);
|
|
}
|
|
|
|
/**
|
|
* Creates a query with the specified name.
|
|
*
|
|
* @todo Implementation.
|
|
* @throws SomeException If there is no query registered with the given name.
|
|
*/
|
|
public function createNamedQuery($name)
|
|
{
|
|
//...
|
|
}
|
|
|
|
/**
|
|
* @todo Implementation.
|
|
*/
|
|
public function createNativeQuery($sql = "")
|
|
{
|
|
//...
|
|
}
|
|
|
|
/**
|
|
* @todo Implementation.
|
|
*/
|
|
public function createNamedNativeQuery($name)
|
|
{
|
|
//...
|
|
}
|
|
|
|
/**
|
|
* @todo Implementation.
|
|
*/
|
|
public function createCriteria()
|
|
{
|
|
//...
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
public function flush()
|
|
{
|
|
$this->_errorIfNotActiveOrClosed();
|
|
$this->_unitOfWork->commit();
|
|
}
|
|
|
|
/**
|
|
* Finds an Entity by its identifier.
|
|
* This is just a convenient shortcut for getRepository($entityName)->find($id).
|
|
*
|
|
* @param string $entityName
|
|
* @param mixed $identifier
|
|
* @return object
|
|
*/
|
|
public function find($entityName, $identifier)
|
|
{
|
|
return $this->getRepository($entityName)->find($identifier);
|
|
}
|
|
|
|
/**
|
|
* Sets the flush mode.
|
|
*
|
|
* @param string $flushMode
|
|
*/
|
|
public function setFlushMode($flushMode)
|
|
{
|
|
if ( ! $this->_isFlushMode($flushMode)) {
|
|
throw Doctrine_ORM_Exceptions_EntityManagerException::invalidFlushMode();
|
|
}
|
|
$this->_flushMode = $flushMode;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the given value is a valid flush mode.
|
|
*
|
|
* @param string $value
|
|
* @return boolean
|
|
*/
|
|
private function _isFlushMode($value)
|
|
{
|
|
return $value == self::FLUSHMODE_AUTO ||
|
|
$value == self::FLUSHMODE_COMMIT ||
|
|
$value == self::FLUSHMODE_IMMEDIATE ||
|
|
$value == self::FLUSHMODE_MANUAL;
|
|
}
|
|
|
|
/**
|
|
* Gets the currently used flush mode.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getFlushMode()
|
|
{
|
|
return $this->_flushMode;
|
|
}
|
|
|
|
/**
|
|
* Clears the persistence context, effectively detaching all managed entities.
|
|
*/
|
|
public function clear($entityName = null)
|
|
{
|
|
if ($entityName === null) {
|
|
$this->_unitOfWork->detachAll();
|
|
} else {
|
|
//TODO
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Closes the EntityManager.
|
|
*/
|
|
public function close()
|
|
{
|
|
$this->_closed = true;
|
|
}
|
|
|
|
/**
|
|
* Saves the given entity, persisting it's state.
|
|
*
|
|
* @param object $object
|
|
*/
|
|
public function save($object)
|
|
{
|
|
$this->_errorIfNotActiveOrClosed();
|
|
$this->_unitOfWork->save($object);
|
|
if ($this->_flushMode == self::FLUSHMODE_IMMEDIATE) {
|
|
$this->flush();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deletes the persistent state of the given entity.
|
|
*
|
|
* @param object $entity
|
|
*/
|
|
public function delete($entity)
|
|
{
|
|
$this->_errorIfNotActiveOrClosed();
|
|
$this->_unitOfWork->delete($entity);
|
|
if ($this->_flushMode == self::FLUSHMODE_IMMEDIATE) {
|
|
$this->flush();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Refreshes the persistent state of the entity from the database,
|
|
* overriding any local changes that have not yet been persisted.
|
|
*
|
|
* @param Doctrine\ORM\Entity $entity
|
|
* @todo FIX Impl
|
|
*/
|
|
public function refresh(Doctrine_ORM_Entity $entity)
|
|
{
|
|
$this->_mergeData($entity, $entity->getRepository()->find(
|
|
$entity->identifier(), Doctrine_Query::HYDRATE_ARRAY),
|
|
true);
|
|
}
|
|
|
|
/**
|
|
* Creates a copy of the given entity. Can create a shallow or a deep copy.
|
|
*
|
|
* @param Doctrine\ORM\Entity $entity The entity to copy.
|
|
* @return Doctrine\ORM\Entity The new entity.
|
|
*/
|
|
public function copy(Doctrine_ORM_Entity $entity, $deep = false)
|
|
{
|
|
//...
|
|
}
|
|
|
|
/**
|
|
* Gets the repository for an Entity.
|
|
*
|
|
* @param string $entityName The name of the Entity.
|
|
* @return Doctrine\ORM\EntityRepository The repository.
|
|
*/
|
|
public function getRepository($entityName)
|
|
{
|
|
if (isset($this->_repositories[$entityName])) {
|
|
return $this->_repositories[$entityName];
|
|
}
|
|
|
|
$metadata = $this->getClassMetadata($entityName);
|
|
$customRepositoryClassName = $metadata->getCustomRepositoryClass();
|
|
if ($customRepositoryClassName !== null) {
|
|
$repository = new $customRepositoryClassName($entityName, $metadata);
|
|
} else {
|
|
$repository = new Doctrine_ORM_EntityRepository($this, $metadata);
|
|
}
|
|
$this->_repositories[$entityName] = $repository;
|
|
|
|
return $repository;
|
|
}
|
|
|
|
/**
|
|
* Checks if the instance is managed by the EntityManager.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean TRUE if this EntityManager currently manages the given entity
|
|
* (and has it in the identity map), FALSE otherwise.
|
|
*/
|
|
public function contains($entity)
|
|
{
|
|
return $this->_unitOfWork->isInIdentityMap($entity) &&
|
|
! $this->_unitOfWork->isRegisteredRemoved($entity);
|
|
}
|
|
|
|
/**
|
|
* Gets the EventManager used by the EntityManager.
|
|
*
|
|
* @return Doctrine\Common\EventManager
|
|
*/
|
|
public function getEventManager()
|
|
{
|
|
return $this->_eventManager;
|
|
}
|
|
|
|
/**
|
|
* Gets the Configuration used by the EntityManager.
|
|
*
|
|
* @return Doctrine\ORM\Configuration
|
|
*/
|
|
public function getConfiguration()
|
|
{
|
|
return $this->_config;
|
|
}
|
|
|
|
/**
|
|
* Throws an exception if the EntityManager is closed or currently not active.
|
|
*
|
|
* @throws EntityManagerException If the EntityManager is closed or not active.
|
|
*/
|
|
private function _errorIfNotActiveOrClosed()
|
|
{
|
|
if ($this->_closed) {
|
|
throw Doctrine_ORM_Exceptions_EntityManagerException::notActiveOrClosed($this->_name);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the UnitOfWork used by the EntityManager to coordinate operations.
|
|
*
|
|
* @return Doctrine\ORM\UnitOfWork
|
|
*/
|
|
public function getUnitOfWork()
|
|
{
|
|
return $this->_unitOfWork;
|
|
}
|
|
|
|
/**
|
|
* Checks whether this EntityManager is the currently active one.
|
|
*
|
|
* Note:This is only useful in scenarios where {@link ActiveEntity}s are used.
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function isActive()
|
|
{
|
|
return self::$_activeEm === $this;
|
|
}
|
|
|
|
/**
|
|
* Gets a hydrator for the given hydration mode.
|
|
*
|
|
* @param $hydrationMode
|
|
*/
|
|
public function getHydrator($hydrationMode)
|
|
{
|
|
if ( ! isset($this->_hydrators[$hydrationMode])) {
|
|
switch ($hydrationMode) {
|
|
case Doctrine_ORM_Query::HYDRATE_OBJECT:
|
|
$this->_hydrators[$hydrationMode] = new Doctrine_ORM_Internal_Hydration_ObjectHydrator($this);
|
|
break;
|
|
case Doctrine_ORM_Query::HYDRATE_ARRAY:
|
|
$this->_hydrators[$hydrationMode] = new Doctrine_ORM_Internal_Hydration_ArrayHydrator($this);
|
|
break;
|
|
case Doctrine_ORM_Query::HYDRATE_SCALAR:
|
|
$this->_hydrators[$hydrationMode] = new Doctrine_ORM_Internal_Hydration_ScalarHydrator($this);
|
|
break;
|
|
case Doctrine_ORM_Query::HYDRATE_SINGLE_SCALAR:
|
|
$this->_hydrators[$hydrationMode] = new Doctrine_ORM_Internal_Hydration_SingleScalarHydrator($this);
|
|
break;
|
|
case Doctrine_ORM_Query::HYDRATE_NONE:
|
|
$this->_hydrators[$hydrationMode] = new Doctrine_ORM_Internal_Hydration_NoneHydrator($this);
|
|
break;
|
|
default:
|
|
throw new Doctrine_Exception("No hydrator found for hydration mode '$hydrationMode'.");
|
|
}
|
|
} else if ($this->_hydrators[$hydrationMode] instanceof Closure) {
|
|
$this->_hydrators[$hydrationMode] = $this->_hydrators[$hydrationMode]($this);
|
|
}
|
|
return $this->_hydrators[$hydrationMode];
|
|
}
|
|
|
|
/**
|
|
* Sets a hydrator for a hydration mode.
|
|
*
|
|
* @param mixed $hydrationMode
|
|
* @param object $hydrator Either a hydrator instance or a closure that creates a
|
|
* hydrator instance.
|
|
*/
|
|
public function setHydrator($hydrationMode, $hydrator)
|
|
{
|
|
$this->_hydrators[$hydrationMode] = $hydrator;
|
|
}
|
|
|
|
/**
|
|
* Makes this EntityManager the currently active one.
|
|
*
|
|
* Note: This is only useful in scenarios where {@link ActiveEntity}s are used.
|
|
*/
|
|
public function activate()
|
|
{
|
|
self::$_activeEm = $this;
|
|
}
|
|
|
|
/**
|
|
* Factory method to create EntityManager instances.
|
|
*
|
|
* A newly created EntityManager is immediately activated, making it the
|
|
* currently active EntityManager.
|
|
*
|
|
* @param mixed $conn An array with the connection parameters or an existing
|
|
* Connection instance.
|
|
* @param string $name The name of the EntityManager.
|
|
* @param Configuration $config The Configuration instance to use.
|
|
* @param EventManager $eventManager The EventManager instance to use.
|
|
* @return EntityManager The created EntityManager.
|
|
*/
|
|
public static function create(
|
|
$conn,
|
|
$name,
|
|
Doctrine_ORM_Configuration $config = null,
|
|
Doctrine_Common_EventManager $eventManager = null)
|
|
{
|
|
if (is_array($conn)) {
|
|
$conn = Doctrine_DBAL_DriverManager::getConnection($conn, $config, $eventManager);
|
|
} else if ( ! $conn instanceof Doctrine_DBAL_Connection) {
|
|
throw new Doctrine_Exception("Invalid parameter '$conn'.");
|
|
}
|
|
|
|
if (is_null($config)) {
|
|
$config = new Doctrine_ORM_Configuration();
|
|
}
|
|
if (is_null($eventManager)) {
|
|
$eventManager = new Doctrine_Common_EventManager();
|
|
}
|
|
|
|
$em = new Doctrine_ORM_EntityManager($conn, $name, $config, $eventManager);
|
|
|
|
return $em;
|
|
}
|
|
|
|
/**
|
|
* Static lookup to get the currently active EntityManager.
|
|
*
|
|
* Note: Used by {@link ActiveEntity}s to actively lookup an EntityManager.
|
|
*
|
|
* @return Doctrine\ORM\EntityManager
|
|
*/
|
|
public static function getActiveEntityManager()
|
|
{
|
|
return self::$_activeEm;
|
|
}
|
|
}
|
|
|