1916 lines
70 KiB
PHP
1916 lines
70 KiB
PHP
<?php
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/*
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* $Id: UnitOfWork.php 4947 2008-09-12 13:16:05Z romanb $
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\ORM;
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use Doctrine\Common\Collections\ArrayCollection,
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Doctrine\Common\Collections\Collection,
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Doctrine\Common\DoctrineException,
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Doctrine\Common\PropertyChangedListener,
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Doctrine\ORM\Event\LifecycleEventArgs;
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/**
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* The UnitOfWork is responsible for tracking changes to objects during an
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* "object-level" transaction and for writing out changes to the database
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* in the correct order.
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision$
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* @author Roman Borschel <roman@code-factory.org>
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* @internal This class contains performance-critical code. Work with care and
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* regularly run the ORM performance tests.
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*/
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class UnitOfWork implements PropertyChangedListener
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{
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/**
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* An entity is in MANAGED state when its persistence is managed by an EntityManager.
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*/
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const STATE_MANAGED = 1;
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/**
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* An entity is new if it has just been instantiated (i.e. using the "new" operator)
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* and is not (yet) managed by an EntityManager.
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*/
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const STATE_NEW = 2;
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/**
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* A detached entity is an instance with a persistent identity that is not
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* (or no longer) associated with an EntityManager (and a UnitOfWork).
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*/
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const STATE_DETACHED = 3;
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/**
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* A removed entity instance is an instance with a persistent identity,
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* associated with an EntityManager, whose persistent state has been
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* deleted (or is scheduled for deletion).
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*/
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const STATE_REMOVED = 4;
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/**
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* The identity map that holds references to all managed entities that have
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* an identity. The entities are grouped by their class name.
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* Since all classes in a hierarchy must share the same identifier set,
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* we always take the root class name of the hierarchy.
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*
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* @var array
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*/
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private $_identityMap = array();
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/**
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* Map of all identifiers of managed entities.
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* Keys are object ids (spl_object_hash).
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*
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* @var array
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*/
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private $_entityIdentifiers = array();
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/**
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* Map of the original entity data of managed entities.
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* Keys are object ids (spl_object_hash). This is used for calculating changesets
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* at commit time.
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*
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* @var array
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* @internal Note that PHPs "copy-on-write" behavior helps a lot with memory usage.
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* A value will only really be copied if the value in the entity is modified
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* by the user.
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*/
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private $_originalEntityData = array();
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/**
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* Map of entity changes. Keys are object ids (spl_object_hash).
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* Filled at the beginning of a commit of the UnitOfWork and cleaned at the end.
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*
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* @var array
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*/
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private $_entityChangeSets = array();
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/**
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* The (cached) states of any known entities.
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* Keys are object ids (spl_object_hash).
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*
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* @var array
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*/
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private $_entityStates = array();
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/**
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* Map of entities that are scheduled for dirty checking at commit time.
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* This is only used for entities with a change tracking policy of DEFERRED_EXPLICIT.
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* Keys are object ids (spl_object_hash).
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*
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* @var array
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*/
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private $_scheduledForDirtyCheck = array();
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/**
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* A list of all pending entity insertions.
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*
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* @var array
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*/
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private $_entityInsertions = array();
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/**
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* A list of all pending entity updates.
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*
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* @var array
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*/
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private $_entityUpdates = array();
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/**
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* Any pending extra updates that have been scheduled by persisters.
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*
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* @var array
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*/
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private $_extraUpdates = array();
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/**
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* A list of all pending entity deletions.
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*
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* @var array
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*/
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private $_entityDeletions = array();
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/**
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* All pending collection deletions.
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*
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* @var array
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*/
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private $_collectionDeletions = array();
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/**
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* All pending collection updates.
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*
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* @var array
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*/
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private $_collectionUpdates = array();
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/**
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* List of collections visited during changeset calculation on a commit-phase of a UnitOfWork.
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* At the end of the UnitOfWork all these collections will make new snapshots
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* of their data.
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*
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* @var array
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*/
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private $_visitedCollections = array();
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/**
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* The EntityManager that "owns" this UnitOfWork instance.
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*
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* @var Doctrine\ORM\EntityManager
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*/
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private $_em;
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/**
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* The calculator used to calculate the order in which changes to
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* entities need to be written to the database.
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*
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* @var Doctrine\ORM\Internal\CommitOrderCalculator
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*/
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private $_commitOrderCalculator;
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/**
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* The entity persister instances used to persist entity instances.
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*
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* @var array
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*/
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private $_persisters = array();
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/**
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* The collection persister instances used to persist collections.
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*
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* @var array
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*/
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private $_collectionPersisters = array();
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/**
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* Flag for whether or not to make use of the C extension.
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*
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* @var boolean
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*/
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private $_useCExtension = false;
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/**
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* The EventManager used for dispatching events.
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*
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* @var EventManager
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*/
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private $_evm;
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/**
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* Orphaned entities that are scheduled for removal.
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*
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* @var array
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*/
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private $_orphanRemovals = array();
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/**
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* Initializes a new UnitOfWork instance, bound to the given EntityManager.
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*
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* @param Doctrine\ORM\EntityManager $em
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*/
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public function __construct(EntityManager $em)
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{
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$this->_em = $em;
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$this->_evm = $em->getEventManager();
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$this->_commitOrderCalculator = new Internal\CommitOrderCalculator();
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$this->_useCExtension = $this->_em->getConfiguration()->getUseCExtension();
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}
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/**
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* Commits the UnitOfWork, executing all operations that have been postponed
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* up to this point. The state of all managed entities will be synchronized with
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* the database.
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*/
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public function commit()
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{
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// Compute changes done since last commit.
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// This populates _entityUpdates and _collectionUpdates.
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$this->computeChangeSets();
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if ( ! ($this->_entityInsertions ||
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$this->_entityDeletions ||
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$this->_entityUpdates ||
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$this->_collectionUpdates ||
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$this->_collectionDeletions ||
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$this->_orphanRemovals)) {
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return; // Nothing to do.
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}
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// Now we need a commit order to maintain referential integrity
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$commitOrder = $this->_getCommitOrder();
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if ($this->_orphanRemovals) {
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foreach ($this->_orphanRemovals as $orphan) {
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$this->remove($orphan);
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}
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}
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$conn = $this->_em->getConnection();
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try {
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$conn->beginTransaction();
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if ($this->_entityInsertions) {
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foreach ($commitOrder as $class) {
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$this->_executeInserts($class);
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}
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}
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if ($this->_entityUpdates) {
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foreach ($commitOrder as $class) {
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$this->_executeUpdates($class);
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}
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}
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// Extra updates that were requested by persisters.
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if ($this->_extraUpdates) {
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$this->_executeExtraUpdates();
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}
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// Collection deletions (deletions of complete collections)
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foreach ($this->_collectionDeletions as $collectionToDelete) {
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$this->getCollectionPersister($collectionToDelete->getMapping())
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->delete($collectionToDelete);
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}
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// Collection updates (deleteRows, updateRows, insertRows)
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foreach ($this->_collectionUpdates as $collectionToUpdate) {
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$this->getCollectionPersister($collectionToUpdate->getMapping())
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->update($collectionToUpdate);
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}
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// Entity deletions come last and need to be in reverse commit order
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if ($this->_entityDeletions) {
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for ($count = count($commitOrder), $i = $count - 1; $i >= 0; --$i) {
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$this->_executeDeletions($commitOrder[$i]);
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}
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}
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$conn->commit();
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} catch (\Exception $e) {
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$conn->rollback();
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$this->clear();
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throw $e;
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}
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// Take new snapshots from visited collections
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foreach ($this->_visitedCollections as $coll) {
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$coll->takeSnapshot();
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}
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// Clear up
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$this->_entityInsertions =
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$this->_entityUpdates =
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$this->_entityDeletions =
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$this->_extraUpdates =
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$this->_entityChangeSets =
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$this->_collectionUpdates =
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$this->_collectionDeletions =
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$this->_visitedCollections =
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$this->_orphanRemovals = array();
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}
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/**
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* Executes any extra updates that have been scheduled.
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*/
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private function _executeExtraUpdates()
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{
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foreach ($this->_extraUpdates as $oid => $update) {
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list ($entity, $changeset) = $update;
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$this->_entityChangeSets[$oid] = $changeset;
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$this->getEntityPersister(get_class($entity))->update($entity);
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}
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}
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/**
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* Gets the changeset for an entity.
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*
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* @return array
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*/
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public function getEntityChangeSet($entity)
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{
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$oid = spl_object_hash($entity);
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if (isset($this->_entityChangeSets[$oid])) {
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return $this->_entityChangeSets[$oid];
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}
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return array();
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}
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/**
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* Computes all the changes that have been done to entities and collections
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* since the last commit and stores these changes in the _entityChangeSet map
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* temporarily for access by the persisters, until the UoW commit is finished.
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*
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* @param array $entities The entities for which to compute the changesets. If this
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* parameter is not specified, the changesets of all entities in the identity
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* map are computed if automatic dirty checking is enabled (the default).
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* If automatic dirty checking is disabled, only those changesets will be
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* computed that have been scheduled through scheduleForDirtyCheck().
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*/
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public function computeChangeSets()
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{
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// Compute changes for INSERTed entities first. This must always happen.
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foreach ($this->_entityInsertions as $entity) {
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$class = $this->_em->getClassMetadata(get_class($entity));
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$this->_computeEntityChanges($class, $entity);
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// Look for changes in associations of the entity
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foreach ($class->associationMappings as $assoc) {
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$val = $class->reflFields[$assoc->sourceFieldName]->getValue($entity);
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if ($val !== null) {
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$this->_computeAssociationChanges($assoc, $val);
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}
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}
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}
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// Compute changes for other MANAGED entities. Change tracking policies take effect here.
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foreach ($this->_identityMap as $className => $entities) {
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$class = $this->_em->getClassMetadata($className);
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// Skip class if change tracking happens through notification
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if ($class->isChangeTrackingNotify()) {
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continue;
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}
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// If change tracking is explicit, then only compute changes on explicitly saved entities
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$entitiesToProcess = $class->isChangeTrackingDeferredExplicit() ?
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$this->_scheduledForDirtyCheck[$className] : $entities;
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foreach ($entitiesToProcess as $entity) {
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// Only MANAGED entities that are NOT SCHEDULED FOR INSERTION are processed here.
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$oid = spl_object_hash($entity);
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if ( ! isset($this->_entityInsertions[$oid]) && isset($this->_entityStates[$oid])) {
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$this->_computeEntityChanges($class, $entity);
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// Look for changes in associations of the entity
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foreach ($class->associationMappings as $assoc) {
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$val = $class->reflFields[$assoc->sourceFieldName]->getValue($entity);
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if ($val !== null) {
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$this->_computeAssociationChanges($assoc, $val);
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}
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}
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}
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}
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}
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}
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/**
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* Computes the changes done to a single entity.
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*
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* Modifies/populates the following properties:
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*
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* {@link _originalEntityData}
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* If the entity is NEW or MANAGED but not yet fully persisted (only has an id)
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* then it was not fetched from the database and therefore we have no original
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* entity data yet. All of the current entity data is stored as the original entity data.
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*
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* {@link _entityChangeSets}
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* The changes detected on all properties of the entity are stored there.
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* A change is a tuple array where the first entry is the old value and the second
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* entry is the new value of the property. Changesets are used by persisters
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* to INSERT/UPDATE the persistent entity state.
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*
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* {@link _entityUpdates}
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* If the entity is already fully MANAGED (has been fetched from the database before)
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* and any changes to its properties are detected, then a reference to the entity is stored
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* there to mark it for an update.
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*
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* {@link _collectionDeletions}
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* If a PersistentCollection has been de-referenced in a fully MANAGED entity,
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* then this collection is marked for deletion.
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*
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* @param ClassMetadata $class The class descriptor of the entity.
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* @param object $entity The entity for which to compute the changes.
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*/
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private function _computeEntityChanges($class, $entity)
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{
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$oid = spl_object_hash($entity);
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if ( ! $class->isInheritanceTypeNone()) {
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$class = $this->_em->getClassMetadata(get_class($entity));
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}
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$actualData = array();
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foreach ($class->reflFields as $name => $refProp) {
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if ( ! $class->isIdentifier($name) || ! $class->isIdGeneratorIdentity()) {
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$actualData[$name] = $refProp->getValue($entity);
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}
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if ($class->isCollectionValuedAssociation($name) && $actualData[$name] !== null
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&& ! ($actualData[$name] instanceof PersistentCollection)) {
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// If $actualData[$name] is Collection then unwrap the array
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if ( ! $actualData[$name] instanceof ArrayCollection) {
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$actualData[$name] = new ArrayCollection($actualData[$name]);
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}
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$assoc = $class->associationMappings[$name];
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// Inject PersistentCollection
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$coll = new PersistentCollection($this->_em, $this->_em->getClassMetadata(
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$assoc->targetEntityName), $actualData[$name]);
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$coll->setOwner($entity, $assoc);
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$coll->setDirty( ! $coll->isEmpty());
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$class->reflFields[$name]->setValue($entity, $coll);
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$actualData[$name] = $coll;
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}
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}
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if ( ! isset($this->_originalEntityData[$oid])) {
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// Entity is either NEW or MANAGED but not yet fully persisted (only has an id).
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// These result in an INSERT.
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$this->_originalEntityData[$oid] = $actualData;
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$this->_entityChangeSets[$oid] = array_map(
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function($e) { return array(null, $e); }, $actualData
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);
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} else {
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// Entity is "fully" MANAGED: it was already fully persisted before
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// and we have a copy of the original data
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$originalData = $this->_originalEntityData[$oid];
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$changeSet = array();
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$entityIsDirty = false;
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foreach ($actualData as $propName => $actualValue) {
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$orgValue = isset($originalData[$propName]) ? $originalData[$propName] : null;
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if (is_object($orgValue) && $orgValue !== $actualValue) {
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$changeSet[$propName] = array($orgValue, $actualValue);
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} else if ($orgValue != $actualValue || ($orgValue === null ^ $actualValue === null)) {
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$changeSet[$propName] = array($orgValue, $actualValue);
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}
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if (isset($changeSet[$propName])) {
|
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if (isset($class->associationMappings[$propName])) {
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$assoc = $class->associationMappings[$propName];
|
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if ($assoc->isOneToOne()) {
|
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if ($assoc->isOwningSide) {
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$entityIsDirty = true;
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}
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if ($actualValue === null && $assoc->orphanRemoval) {
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$this->scheduleOrphanRemoval($orgValue);
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}
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} else if ($orgValue instanceof PersistentCollection) {
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// A PersistentCollection was de-referenced, so delete it.
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if ( ! in_array($orgValue, $this->_collectionDeletions, true)) {
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$this->_collectionDeletions[] = $orgValue;
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}
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}
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} else {
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$entityIsDirty = true;
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}
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}
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}
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if ($changeSet) {
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if ($entityIsDirty) {
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$this->_entityUpdates[$oid] = $entity;
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}
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$this->_entityChangeSets[$oid] = $changeSet;
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$this->_originalEntityData[$oid] = $actualData;
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}
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}
|
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}
|
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|
|
/**
|
|
* Computes the changes of an association.
|
|
*
|
|
* @param AssociationMapping $assoc
|
|
* @param mixed $value The value of the association.
|
|
*/
|
|
private function _computeAssociationChanges($assoc, $value)
|
|
{
|
|
if ($value instanceof PersistentCollection && $value->isDirty()) {
|
|
if ($assoc->isOwningSide) {
|
|
$this->_collectionUpdates[] = $value;
|
|
}
|
|
$this->_visitedCollections[] = $value;
|
|
}
|
|
|
|
if ( ! $assoc->isCascadePersist) {
|
|
return; // "Persistence by reachability" only if persist cascade specified
|
|
}
|
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|
|
// Look through the entities, and in any of their associations, for transient
|
|
// enities, recursively. ("Persistence by reachability")
|
|
if ($assoc->isOneToOne()) {
|
|
$value = array($value);
|
|
}
|
|
$targetClass = $this->_em->getClassMetadata($assoc->targetEntityName);
|
|
foreach ($value as $entry) {
|
|
$state = $this->getEntityState($entry, self::STATE_NEW);
|
|
$oid = spl_object_hash($entry);
|
|
if ($state == self::STATE_NEW) {
|
|
// Get identifier, if possible (not post-insert)
|
|
$idGen = $targetClass->idGenerator;
|
|
if ( ! $idGen->isPostInsertGenerator()) {
|
|
$idValue = $idGen->generate($this->_em, $entry);
|
|
$this->_entityStates[$oid] = self::STATE_MANAGED;
|
|
if ( ! $idGen instanceof \Doctrine\ORM\Id\Assigned) {
|
|
$this->_entityIdentifiers[$oid] = array($idValue);
|
|
$targetClass->getSingleIdReflectionProperty()->setValue($entry, $idValue);
|
|
} else {
|
|
$this->_entityIdentifiers[$oid] = $idValue;
|
|
}
|
|
$this->addToIdentityMap($entry);
|
|
}
|
|
|
|
// Collect the original data and changeset, recursing into associations.
|
|
$data = array();
|
|
$changeSet = array();
|
|
foreach ($targetClass->reflFields as $name => $refProp) {
|
|
$data[$name] = $refProp->getValue($entry);
|
|
$changeSet[$name] = array(null, $data[$name]);
|
|
if (isset($targetClass->associationMappings[$name])) {
|
|
$this->_computeAssociationChanges($targetClass->associationMappings[$name], $data[$name]);
|
|
}
|
|
}
|
|
|
|
// NEW entities are INSERTed within the current unit of work.
|
|
$this->_entityInsertions[$oid] = $entry;
|
|
$this->_entityChangeSets[$oid] = $changeSet;
|
|
$this->_originalEntityData[$oid] = $data;
|
|
} else if ($state == self::STATE_REMOVED) {
|
|
throw DoctrineException::updateMe("Removed entity in collection detected during flush."
|
|
. " Make sure you properly remove deleted entities from collections.");
|
|
}
|
|
// MANAGED associated entities are already taken into account
|
|
// during changeset calculation anyway, since they are in the identity map.
|
|
}
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Computes the changeset of an individual entity, independently of the
|
|
* computeChangeSets() routine that is used at the beginning of a UnitOfWork#commit().
|
|
*
|
|
* @param $class
|
|
* @param $entity
|
|
*/
|
|
public function computeSingleEntityChangeSet($class, $entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
|
|
if ( ! $class->isInheritanceTypeNone()) {
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
}
|
|
|
|
$actualData = array();
|
|
foreach ($class->reflFields as $name => $refProp) {
|
|
if ( ! $class->isIdentifier($name) || ! $class->isIdGeneratorIdentity()) {
|
|
$actualData[$name] = $refProp->getValue($entity);
|
|
}
|
|
}
|
|
|
|
if ( ! isset($this->_originalEntityData[$oid])) {
|
|
$this->_originalEntityData[$oid] = $actualData;
|
|
$this->_entityChangeSets[$oid] = array_map(
|
|
function($e) { return array(null, $e); }, $actualData
|
|
);
|
|
} else {
|
|
$originalData = $this->_originalEntityData[$oid];
|
|
$changeSet = array();
|
|
|
|
foreach ($actualData as $propName => $actualValue) {
|
|
$orgValue = isset($originalData[$propName]) ? $originalData[$propName] : null;
|
|
if (is_object($orgValue) && $orgValue !== $actualValue) {
|
|
$changeSet[$propName] = array($orgValue, $actualValue);
|
|
} else if ($orgValue != $actualValue || ($orgValue === null ^ $actualValue === null)) {
|
|
$changeSet[$propName] = array($orgValue, $actualValue);
|
|
}
|
|
}
|
|
|
|
if ($changeSet) {
|
|
$this->_entityChangeSets[$oid] = $changeSet;
|
|
$this->_originalEntityData[$oid] = $actualData;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Executes all entity insertions for entities of the specified type.
|
|
*
|
|
* @param Doctrine\ORM\Mapping\ClassMetadata $class
|
|
*/
|
|
private function _executeInserts($class)
|
|
{
|
|
$className = $class->name;
|
|
$persister = $this->getEntityPersister($className);
|
|
|
|
$hasLifecycleCallbacks = isset($class->lifecycleCallbacks[Events::postPersist]);
|
|
$hasListeners = $this->_evm->hasListeners(Events::postPersist);
|
|
if ($hasLifecycleCallbacks || $hasListeners) {
|
|
$entities = array();
|
|
}
|
|
|
|
foreach ($this->_entityInsertions as $oid => $entity) {
|
|
if (get_class($entity) == $className) {
|
|
$persister->addInsert($entity);
|
|
unset($this->_entityInsertions[$oid]);
|
|
if ($hasLifecycleCallbacks || $hasListeners) {
|
|
$entities[] = $entity;
|
|
}
|
|
}
|
|
}
|
|
|
|
$postInsertIds = $persister->executeInserts();
|
|
|
|
if ($postInsertIds) {
|
|
// Persister returned a post-insert IDs
|
|
foreach ($postInsertIds as $id => $entity) {
|
|
$oid = spl_object_hash($entity);
|
|
$idField = $class->identifier[0];
|
|
$class->reflFields[$idField]->setValue($entity, $id);
|
|
$this->_entityIdentifiers[$oid] = array($id);
|
|
$this->_entityStates[$oid] = self::STATE_MANAGED;
|
|
$this->_originalEntityData[$oid][$idField] = $id;
|
|
$this->addToIdentityMap($entity);
|
|
}
|
|
}
|
|
|
|
if ($hasLifecycleCallbacks || $hasListeners) {
|
|
foreach ($entities as $entity) {
|
|
if ($hasLifecycleCallbacks) {
|
|
$class->invokeLifecycleCallbacks(Events::postPersist, $entity);
|
|
}
|
|
if ($hasListeners) {
|
|
$this->_evm->dispatchEvent(Events::postPersist, new LifecycleEventArgs($entity));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Executes all entity updates for entities of the specified type.
|
|
*
|
|
* @param Doctrine\ORM\Mapping\ClassMetadata $class
|
|
*/
|
|
private function _executeUpdates($class)
|
|
{
|
|
$className = $class->name;
|
|
$persister = $this->getEntityPersister($className);
|
|
|
|
$hasPreUpdateLifecycleCallbacks = isset($class->lifecycleCallbacks[Events::preUpdate]);
|
|
$hasPreUpdateListeners = $this->_evm->hasListeners(Events::preUpdate);
|
|
$hasPostUpdateLifecycleCallbacks = isset($class->lifecycleCallbacks[Events::postUpdate]);
|
|
$hasPostUpdateListeners = $this->_evm->hasListeners(Events::postUpdate);
|
|
|
|
foreach ($this->_entityUpdates as $oid => $entity) {
|
|
if (get_class($entity) == $className) {
|
|
if ($hasPreUpdateLifecycleCallbacks) {
|
|
$class->invokeLifecycleCallbacks(Events::preUpdate, $entity);
|
|
if ( ! $hasPreUpdateListeners) {
|
|
// Need to recompute entity changeset to detect changes made in the callback.
|
|
$this->computeSingleEntityChangeSet($class, $entity);
|
|
}
|
|
}
|
|
if ($hasPreUpdateListeners) {
|
|
$this->_evm->dispatchEvent(Events::preUpdate, new LifecycleEventArgs($entity));
|
|
// Need to recompute entity changeset to detect changes made in the listener.
|
|
$this->computeSingleEntityChangeSet($class, $entity);
|
|
}
|
|
|
|
$persister->update($entity);
|
|
unset($this->_entityUpdates[$oid]);
|
|
|
|
if ($hasPostUpdateLifecycleCallbacks) {
|
|
$class->invokeLifecycleCallbacks(Events::postUpdate, $entity);
|
|
}
|
|
if ($hasPostUpdateListeners) {
|
|
$this->_evm->dispatchEvent(Events::postUpdate, new LifecycleEventArgs($entity));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Executes all entity deletions for entities of the specified type.
|
|
*
|
|
* @param Doctrine\ORM\Mapping\ClassMetadata $class
|
|
*/
|
|
private function _executeDeletions($class)
|
|
{
|
|
$className = $class->name;
|
|
$persister = $this->getEntityPersister($className);
|
|
|
|
$hasLifecycleCallbacks = isset($class->lifecycleCallbacks[Events::postRemove]);
|
|
$hasListeners = $this->_evm->hasListeners(Events::postRemove);
|
|
|
|
foreach ($this->_entityDeletions as $oid => $entity) {
|
|
if (get_class($entity) == $className) {
|
|
$persister->delete($entity);
|
|
unset($this->_entityDeletions[$oid]);
|
|
|
|
if ($hasLifecycleCallbacks) {
|
|
$class->invokeLifecycleCallbacks(Events::postRemove, $entity);
|
|
}
|
|
if ($hasListeners) {
|
|
$this->_evm->dispatchEvent(Events::postRemove, new LifecycleEventArgs($entity));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the commit order.
|
|
*
|
|
* @return array
|
|
*/
|
|
private function _getCommitOrder(array $entityChangeSet = null)
|
|
{
|
|
if ($entityChangeSet === null) {
|
|
$entityChangeSet = array_merge(
|
|
$this->_entityInsertions,
|
|
$this->_entityUpdates,
|
|
$this->_entityDeletions
|
|
);
|
|
}
|
|
|
|
// TODO: We can cache computed commit orders in the metadata cache!
|
|
// Check cache at this point here!
|
|
|
|
// See if there are any new classes in the changeset, that are not in the
|
|
// commit order graph yet (dont have a node).
|
|
$newNodes = array();
|
|
foreach ($entityChangeSet as $entity) {
|
|
$className = get_class($entity);
|
|
if ( ! $this->_commitOrderCalculator->hasClass($className)) {
|
|
$class = $this->_em->getClassMetadata($className);
|
|
$this->_commitOrderCalculator->addClass($class);
|
|
$newNodes[] = $class;
|
|
}
|
|
}
|
|
|
|
// Calculate dependencies for new nodes
|
|
foreach ($newNodes as $class) {
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
//TODO: should skip target classes that are not in the changeset.
|
|
if ($assocMapping->isOwningSide) {
|
|
$targetClass = $this->_em->getClassMetadata($assocMapping->targetEntityName);
|
|
if ( ! $this->_commitOrderCalculator->hasClass($targetClass->name)) {
|
|
$this->_commitOrderCalculator->addClass($targetClass);
|
|
}
|
|
// add dependency ($targetClass before $class)
|
|
$this->_commitOrderCalculator->addDependency($targetClass, $class);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $this->_commitOrderCalculator->getCommitOrder();
|
|
}
|
|
|
|
/**
|
|
* Schedules an entity for insertion into the database.
|
|
* If the entity already has an identifier, it will be added to the identity map.
|
|
*
|
|
* @param object $entity The entity to schedule for insertion.
|
|
*/
|
|
public function scheduleForInsert($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
|
|
if (isset($this->_entityUpdates[$oid])) {
|
|
throw DoctrineException::updateMe("Dirty object can't be registered as new.");
|
|
}
|
|
if (isset($this->_entityDeletions[$oid])) {
|
|
throw DoctrineException::updateMe("Removed object can't be registered as new.");
|
|
}
|
|
if (isset($this->_entityInsertions[$oid])) {
|
|
throw DoctrineException::updateMe("Object already registered as new. Can't register twice.");
|
|
}
|
|
|
|
$this->_entityInsertions[$oid] = $entity;
|
|
|
|
if (isset($this->_entityIdentifiers[$oid])) {
|
|
$this->addToIdentityMap($entity);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether an entity is scheduled for insertion.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean
|
|
*/
|
|
public function isScheduledForInsert($entity)
|
|
{
|
|
return isset($this->_entityInsertions[spl_object_hash($entity)]);
|
|
}
|
|
|
|
/**
|
|
* Schedules an entity for being updated.
|
|
*
|
|
* @param object $entity The entity to schedule for being updated.
|
|
*/
|
|
public function scheduleForUpdate($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if ( ! isset($this->_entityIdentifiers[$oid])) {
|
|
throw DoctrineException::updateMe("Entity without identity "
|
|
. "can't be registered as dirty.");
|
|
}
|
|
if (isset($this->_entityDeletions[$oid])) {
|
|
throw DoctrineException::updateMe("Removed object can't be registered as dirty.");
|
|
}
|
|
|
|
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.
|
|
*
|
|
* @param $entity
|
|
* @param $changeset
|
|
*/
|
|
public function scheduleExtraUpdate($entity, array $changeset)
|
|
{
|
|
$this->_extraUpdates[spl_object_hash($entity)] = array($entity, $changeset);
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean
|
|
*/
|
|
public function isScheduledForUpdate($entity)
|
|
{
|
|
return isset($this->_entityUpdates[spl_object_hash($entity)]);
|
|
}
|
|
|
|
/**
|
|
* Registers a deleted entity.
|
|
*
|
|
* @param object $entity
|
|
*/
|
|
public function scheduleForDelete($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if ( ! $this->isInIdentityMap($entity)) {
|
|
return;
|
|
}
|
|
|
|
$this->removeFromIdentityMap($entity);
|
|
|
|
if (isset($this->_entityInsertions[$oid])) {
|
|
unset($this->_entityInsertions[$oid]);
|
|
return; // entity has not been persisted yet, so nothing more to do.
|
|
}
|
|
|
|
if (isset($this->_entityUpdates[$oid])) {
|
|
unset($this->_entityUpdates[$oid]);
|
|
}
|
|
if ( ! isset($this->_entityDeletions[$oid])) {
|
|
$this->_entityDeletions[$oid] = $entity;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks whether an entity is registered as removed/deleted with the unit
|
|
* of work.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean
|
|
*/
|
|
public function isScheduledForDelete($entity)
|
|
{
|
|
return isset($this->_entityDeletions[spl_object_hash($entity)]);
|
|
}
|
|
|
|
/**
|
|
* Checks whether an entity is scheduled for insertion, update or deletion.
|
|
*
|
|
* @param $entity
|
|
* @return boolean
|
|
*/
|
|
public function isEntityScheduled($entity)
|
|
{
|
|
$oid = spl_object_hash($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.
|
|
*
|
|
* @param object $entity The entity to register.
|
|
* @return boolean TRUE if the registration was successful, FALSE if the identity of
|
|
* the entity in question is already managed.
|
|
*/
|
|
public function addToIdentityMap($entity)
|
|
{
|
|
$classMetadata = $this->_em->getClassMetadata(get_class($entity));
|
|
$idHash = implode(' ', $this->_entityIdentifiers[spl_object_hash($entity)]);
|
|
if ($idHash === '') {
|
|
throw DoctrineException::updateMe("Entity with oid '" . spl_object_hash($entity)
|
|
. "' has no identity and therefore can't be added to the identity map.");
|
|
}
|
|
$className = $classMetadata->rootEntityName;
|
|
if (isset($this->_identityMap[$className][$idHash])) {
|
|
return false;
|
|
}
|
|
$this->_identityMap[$className][$idHash] = $entity;
|
|
if ($entity instanceof \Doctrine\Common\NotifyPropertyChanged) {
|
|
$entity->addPropertyChangedListener($this);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets the state of an entity within the current unit of work.
|
|
*
|
|
* NOTE: This method sees entities that are not MANAGED or REMOVED and have a
|
|
* populated identifier, whether it is generated or manually assigned, as
|
|
* DETACHED. This can be incorrect for manually assigned identifiers.
|
|
*
|
|
* @param object $entity
|
|
* @param integer $assume The state to assume if the state is not yet known. This is usually
|
|
* used to avoid costly state lookups, in the worst case with a database
|
|
* lookup.
|
|
* @return int The entity state.
|
|
*/
|
|
public function getEntityState($entity, $assume = null)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if ( ! isset($this->_entityStates[$oid])) {
|
|
// State can only be NEW or DETACHED, because MANAGED/REMOVED states are immediately
|
|
// set by the UnitOfWork directly. We treat all entities that have a populated
|
|
// identifier as DETACHED and all others as NEW. This is not really correct for
|
|
// manually assigned identifiers but in that case we would need to hit the database
|
|
// and we would like to avoid that.
|
|
if ($assume === null) {
|
|
if ($this->_em->getClassMetadata(get_class($entity))->getIdentifierValues($entity)) {
|
|
$this->_entityStates[$oid] = self::STATE_DETACHED;
|
|
} else {
|
|
$this->_entityStates[$oid] = self::STATE_NEW;
|
|
}
|
|
} else {
|
|
$this->_entityStates[$oid] = $assume;
|
|
}
|
|
}
|
|
return $this->_entityStates[$oid];
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Removes an entity from the identity map. This effectively detaches the
|
|
* entity from the persistence management of Doctrine.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean
|
|
*/
|
|
public function removeFromIdentityMap($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
$classMetadata = $this->_em->getClassMetadata(get_class($entity));
|
|
$idHash = implode(' ', $this->_entityIdentifiers[$oid]);
|
|
if ($idHash === '') {
|
|
throw DoctrineException::updateMe("Entity with oid '" . spl_object_hash($entity)
|
|
. "' has no identity and therefore can't be removed from the identity map.");
|
|
}
|
|
$className = $classMetadata->rootEntityName;
|
|
if (isset($this->_identityMap[$className][$idHash])) {
|
|
unset($this->_identityMap[$className][$idHash]);
|
|
$this->_entityStates[$oid] = self::STATE_DETACHED;
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Gets an entity in the identity map by its identifier hash.
|
|
*
|
|
* @param string $idHash
|
|
* @param string $rootClassName
|
|
* @return object
|
|
*/
|
|
public function getByIdHash($idHash, $rootClassName)
|
|
{
|
|
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 string $idHash
|
|
* @param string $rootClassName
|
|
* @return mixed The found entity or FALSE.
|
|
*/
|
|
public function tryGetByIdHash($idHash, $rootClassName)
|
|
{
|
|
if ($this->containsIdHash($idHash, $rootClassName)) {
|
|
return $this->getByIdHash($idHash, $rootClassName);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks whether an entity is registered in the identity map of this UnitOfWork.
|
|
*
|
|
* @param object $entity
|
|
* @return boolean
|
|
*/
|
|
public function isInIdentityMap($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if ( ! isset($this->_entityIdentifiers[$oid])) {
|
|
return false;
|
|
}
|
|
$classMetadata = $this->_em->getClassMetadata(get_class($entity));
|
|
$idHash = implode(' ', $this->_entityIdentifiers[$oid]);
|
|
if ($idHash === '') {
|
|
return false;
|
|
}
|
|
|
|
return isset($this->_identityMap[$classMetadata->rootEntityName][$idHash]);
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Checks whether an identifier hash exists in the identity map.
|
|
*
|
|
* @param string $idHash
|
|
* @param string $rootClassName
|
|
* @return boolean
|
|
*/
|
|
public function containsIdHash($idHash, $rootClassName)
|
|
{
|
|
return isset($this->_identityMap[$rootClassName][$idHash]);
|
|
}
|
|
|
|
/**
|
|
* Persists an entity as part of the current unit of work.
|
|
*
|
|
* @param object $entity The entity to persist.
|
|
*/
|
|
public function persist($entity)
|
|
{
|
|
$visited = array();
|
|
$this->_doPersist($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Saves an entity as part of the current unit of work.
|
|
* This method is internally called during save() cascades as it tracks
|
|
* the already visited entities to prevent infinite recursions.
|
|
*
|
|
* NOTE: This method always considers entities with a manually assigned identifier as NEW.
|
|
*
|
|
* @param object $entity The entity to persist.
|
|
* @param array $visited The already visited entities.
|
|
*/
|
|
private function _doPersist($entity, array &$visited)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if (isset($visited[$oid])) {
|
|
return; // Prevent infinite recursion
|
|
}
|
|
|
|
$visited[$oid] = $entity; // Mark visited
|
|
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
switch ($this->getEntityState($entity, self::STATE_NEW)) {
|
|
case self::STATE_MANAGED:
|
|
// Nothing to do, except if policy is "deferred explicit"
|
|
if ($class->isChangeTrackingDeferredExplicit()) {
|
|
$this->scheduleForDirtyCheck($entity);
|
|
}
|
|
break;
|
|
case self::STATE_NEW:
|
|
if (isset($class->lifecycleCallbacks[Events::prePersist])) {
|
|
$class->invokeLifecycleCallbacks(Events::prePersist, $entity);
|
|
}
|
|
if ($this->_evm->hasListeners(Events::prePersist)) {
|
|
$this->_evm->dispatchEvent(Events::prePersist, new LifecycleEventArgs($entity));
|
|
}
|
|
|
|
$idGen = $class->idGenerator;
|
|
if ( ! $idGen->isPostInsertGenerator()) {
|
|
$idValue = $idGen->generate($this->_em, $entity);
|
|
if ( ! $idGen instanceof \Doctrine\ORM\Id\Assigned) {
|
|
$this->_entityIdentifiers[$oid] = array($idValue);
|
|
$class->setIdentifierValues($entity, $idValue);
|
|
} else {
|
|
$this->_entityIdentifiers[$oid] = $idValue;
|
|
}
|
|
}
|
|
$this->_entityStates[$oid] = self::STATE_MANAGED;
|
|
|
|
$this->scheduleForInsert($entity);
|
|
break;
|
|
case self::STATE_DETACHED:
|
|
throw DoctrineException::updateMe("Behavior of save() for a detached entity "
|
|
. "is not yet defined.");
|
|
case self::STATE_REMOVED:
|
|
// Entity becomes managed again
|
|
if ($this->isScheduledForDelete($entity)) {
|
|
unset($this->_entityDeletions[$oid]);
|
|
} else {
|
|
//FIXME: There's more to think of here...
|
|
$this->scheduleForInsert($entity);
|
|
}
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe("Encountered invalid entity state.");
|
|
}
|
|
|
|
$this->_cascadePersist($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Deletes an entity as part of the current unit of work.
|
|
*
|
|
* @param object $entity The entity to remove.
|
|
*/
|
|
public function remove($entity)
|
|
{
|
|
$visited = array();
|
|
$this->_doRemove($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.
|
|
*
|
|
* @param object $entity The entity to delete.
|
|
* @param array $visited The map of the already visited entities.
|
|
* @throws InvalidArgumentException If the instance is a detached entity.
|
|
*/
|
|
private function _doRemove($entity, array &$visited)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if (isset($visited[$oid])) {
|
|
return; // Prevent infinite recursion
|
|
}
|
|
|
|
$visited[$oid] = $entity; // mark visited
|
|
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
switch ($this->getEntityState($entity)) {
|
|
case self::STATE_NEW:
|
|
case self::STATE_REMOVED:
|
|
// nothing to do
|
|
break;
|
|
case self::STATE_MANAGED:
|
|
if (isset($class->lifecycleCallbacks[Events::preRemove])) {
|
|
$class->invokeLifecycleCallbacks(Events::preRemove, $entity);
|
|
}
|
|
if ($this->_evm->hasListeners(Events::preRemove)) {
|
|
$this->_evm->dispatchEvent(Events::preRemove, new LifecycleEventArgs($entity));
|
|
}
|
|
$this->scheduleForDelete($entity);
|
|
break;
|
|
case self::STATE_DETACHED:
|
|
throw new \InvalidArgumentException("A detached entity can not be removed.");
|
|
default:
|
|
throw DoctrineException::updateMe("Encountered invalid entity state.");
|
|
}
|
|
|
|
$this->_cascadeRemove($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Merges the state of the given detached entity into this UnitOfWork.
|
|
*
|
|
* @param object $entity
|
|
* @return object The managed copy of the entity.
|
|
*/
|
|
public function merge($entity)
|
|
{
|
|
$visited = array();
|
|
return $this->_doMerge($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Executes a merge operation on an entity.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
* @return object The managed copy of the entity.
|
|
* @throws OptimisticLockException If the entity uses optimistic locking through a version
|
|
* attribute and the version check against the managed copy fails.
|
|
* @throws InvalidArgumentException If the entity instance is NEW.
|
|
*/
|
|
private function _doMerge($entity, array &$visited, $prevManagedCopy = null, $assoc = null)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
$id = $class->getIdentifierValues($entity);
|
|
|
|
if ( ! $id) {
|
|
throw new \InvalidArgumentException('New entity detected during merge.'
|
|
. ' Persist the new entity before merging.');
|
|
}
|
|
|
|
// MANAGED entities are ignored by the merge operation
|
|
if ($this->getEntityState($entity, self::STATE_DETACHED) == self::STATE_MANAGED) {
|
|
$managedCopy = $entity;
|
|
} else {
|
|
// Try to look the entity up in the identity map.
|
|
$managedCopy = $this->tryGetById($id, $class->rootEntityName);
|
|
if ($managedCopy) {
|
|
// We have the entity in-memory already, just make sure its not removed.
|
|
if ($this->getEntityState($managedCopy) == self::STATE_REMOVED) {
|
|
throw new \InvalidArgumentException('Removed entity detected during merge.'
|
|
. ' Can not merge with a removed entity.');
|
|
}
|
|
} else {
|
|
// We need to fetch the managed copy in order to merge.
|
|
$managedCopy = $this->_em->find($class->name, $id);
|
|
}
|
|
|
|
if ($managedCopy === null) {
|
|
throw new \InvalidArgumentException('New entity detected during merge.'
|
|
. ' Persist the new entity before merging.');
|
|
}
|
|
|
|
if ($class->isVersioned) {
|
|
$managedCopyVersion = $class->reflFields[$class->versionField]->getValue($managedCopy);
|
|
$entityVersion = $class->reflFields[$class->versionField]->getValue($entity);
|
|
// Throw exception if versions dont match.
|
|
if ($managedCopyVersion != $entity) {
|
|
throw OptimisticLockException::versionMismatch();
|
|
}
|
|
}
|
|
|
|
// Merge state of $entity into existing (managed) entity
|
|
foreach ($class->reflFields as $name => $prop) {
|
|
if ( ! isset($class->associationMappings[$name])) {
|
|
$prop->setValue($managedCopy, $prop->getValue($entity));
|
|
} else {
|
|
$assoc2 = $class->associationMappings[$name];
|
|
if ($assoc2->isOneToOne() && ! $assoc2->isCascadeMerge) {
|
|
//TODO: Only do this when allowPartialObjects == false?
|
|
$targetClass = $this->_em->getClassMetadata($assoc2->targetEntityName);
|
|
$prop->setValue($managedCopy, $this->_em->getProxyFactory()
|
|
->getReferenceProxy($assoc2->targetEntityName, $targetClass->getIdentifierValues($entity)));
|
|
} else {
|
|
//TODO: Only do this when allowPartialObjects == false?
|
|
$coll = new PersistentCollection($this->_em,
|
|
$this->_em->getClassMetadata($assoc2->targetEntityName),
|
|
new ArrayCollection
|
|
);
|
|
$coll->setOwner($managedCopy, $assoc2);
|
|
$coll->setInitialized($assoc2->isCascadeMerge);
|
|
$prop->setValue($managedCopy, $coll);
|
|
}
|
|
}
|
|
if ($class->isChangeTrackingNotify()) {
|
|
//TODO
|
|
}
|
|
}
|
|
if ($class->isChangeTrackingDeferredExplicit()) {
|
|
//TODO
|
|
}
|
|
}
|
|
|
|
if ($prevManagedCopy !== null) {
|
|
$assocField = $assoc->sourceFieldName;
|
|
$prevClass = $this->_em->getClassMetadata(get_class($prevManagedCopy));
|
|
if ($assoc->isOneToOne()) {
|
|
$prevClass->reflFields[$assocField]->setValue($prevManagedCopy, $managedCopy);
|
|
} else {
|
|
$prevClass->reflFields[$assocField]->getValue($prevManagedCopy)->hydrateAdd($managedCopy);
|
|
}
|
|
}
|
|
|
|
$this->_cascadeMerge($entity, $managedCopy, $visited);
|
|
|
|
return $managedCopy;
|
|
}
|
|
|
|
/**
|
|
* Detaches an entity from the persistence management. It's persistence will
|
|
* no longer be managed by Doctrine.
|
|
*
|
|
* @param object $entity The entity to detach.
|
|
*/
|
|
public function detach($entity)
|
|
{
|
|
$visited = array();
|
|
$this->_doDetach($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Executes a detach operation on the given entity.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
* @internal This method always considers entities with an assigned identifier as DETACHED.
|
|
*/
|
|
private function _doDetach($entity, array &$visited)
|
|
{
|
|
$oid = spl_object_hash($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:
|
|
$this->removeFromIdentityMap($entity);
|
|
unset($this->_entityInsertions[$oid], $this->_entityUpdates[$oid],
|
|
$this->_entityDeletions[$oid], $this->_entityIdentifiers[$oid],
|
|
$this->_entityStates[$oid]);
|
|
break;
|
|
case self::STATE_NEW:
|
|
case self::STATE_DETACHED:
|
|
return;
|
|
}
|
|
|
|
$this->_cascadeDetach($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Refreshes the state of the given entity from the database, overwriting
|
|
* any local, unpersisted changes.
|
|
*
|
|
* @param object $entity The entity to refresh.
|
|
* @throws InvalidArgumentException If the entity is not MANAGED.
|
|
*/
|
|
public function refresh($entity)
|
|
{
|
|
$visited = array();
|
|
$this->_doRefresh($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Executes a refresh operation on an entity.
|
|
*
|
|
* @param object $entity The entity to refresh.
|
|
* @param array $visited The already visited entities during cascades.
|
|
* @throws InvalidArgumentException If the entity is not MANAGED.
|
|
*/
|
|
private function _doRefresh($entity, array &$visited)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if (isset($visited[$oid])) {
|
|
return; // Prevent infinite recursion
|
|
}
|
|
|
|
$visited[$oid] = $entity; // mark visited
|
|
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
switch ($this->getEntityState($entity)) {
|
|
case self::STATE_MANAGED:
|
|
$this->getEntityPersister($class->name)->load(
|
|
array_combine($class->identifier, $this->_entityIdentifiers[$oid]),
|
|
$entity
|
|
);
|
|
break;
|
|
default:
|
|
throw new \InvalidArgumentException("Entity is not MANAGED.");
|
|
}
|
|
|
|
$this->_cascadeRefresh($entity, $visited);
|
|
}
|
|
|
|
/**
|
|
* Cascades a refresh operation to associated entities.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
*/
|
|
private function _cascadeRefresh($entity, array &$visited)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
if ( ! $assocMapping->isCascadeRefresh) {
|
|
continue;
|
|
}
|
|
$relatedEntities = $class->reflFields[$assocMapping->sourceFieldName]->getValue($entity);
|
|
if ($relatedEntities instanceof Collection) {
|
|
foreach ($relatedEntities as $relatedEntity) {
|
|
$this->_doRefresh($relatedEntity, $visited);
|
|
}
|
|
} else if ($relatedEntities !== null) {
|
|
$this->_doRefresh($relatedEntities, $visited);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cascades a detach operation to associated entities.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
*/
|
|
private function _cascadeDetach($entity, array &$visited)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
if ( ! $assocMapping->isCascadeDetach) {
|
|
continue;
|
|
}
|
|
$relatedEntities = $class->reflFields[$assocMapping->sourceFieldName]->getValue($entity);
|
|
if ($relatedEntities instanceof Collection) {
|
|
foreach ($relatedEntities as $relatedEntity) {
|
|
$this->_doDetach($relatedEntity, $visited);
|
|
}
|
|
} else if ($relatedEntities !== null) {
|
|
$this->_doDetach($relatedEntities, $visited);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cascades a merge operation to associated entities.
|
|
*
|
|
* @param object $entity
|
|
* @param object $managedCopy
|
|
* @param array $visited
|
|
*/
|
|
private function _cascadeMerge($entity, $managedCopy, array &$visited)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
if ( ! $assocMapping->isCascadeMerge) {
|
|
continue;
|
|
}
|
|
$relatedEntities = $class->reflFields[$assocMapping->sourceFieldName]->getValue($entity);
|
|
if ($relatedEntities instanceof Collection) {
|
|
foreach ($relatedEntities as $relatedEntity) {
|
|
$this->_doMerge($relatedEntity, $visited, $managedCopy, $assocMapping);
|
|
}
|
|
} else if ($relatedEntities !== null) {
|
|
$this->_doMerge($relatedEntities, $visited, $managedCopy, $assocMapping);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cascades the save operation to associated entities.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
* @param array $insertNow
|
|
*/
|
|
private function _cascadePersist($entity, array &$visited)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
if ( ! $assocMapping->isCascadePersist) {
|
|
continue;
|
|
}
|
|
$relatedEntities = $class->reflFields[$assocMapping->sourceFieldName]->getValue($entity);
|
|
if (($relatedEntities instanceof Collection || is_array($relatedEntities))) {
|
|
foreach ($relatedEntities as $relatedEntity) {
|
|
$this->_doPersist($relatedEntity, $visited);
|
|
}
|
|
} else if ($relatedEntities !== null) {
|
|
$this->_doPersist($relatedEntities, $visited);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Cascades the delete operation to associated entities.
|
|
*
|
|
* @param object $entity
|
|
* @param array $visited
|
|
*/
|
|
private function _cascadeRemove($entity, array &$visited)
|
|
{
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
foreach ($class->associationMappings as $assocMapping) {
|
|
if ( ! $assocMapping->isCascadeRemove) {
|
|
continue;
|
|
}
|
|
$relatedEntities = $class->reflFields[$assocMapping->sourceFieldName]->getValue($entity);
|
|
if ($relatedEntities instanceof Collection || is_array($relatedEntities)) {
|
|
foreach ($relatedEntities as $relatedEntity) {
|
|
$this->_doRemove($relatedEntity, $visited);
|
|
}
|
|
} else if ($relatedEntities !== null) {
|
|
$this->_doRemove($relatedEntities, $visited);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the CommitOrderCalculator used by the UnitOfWork to order commits.
|
|
*
|
|
* @return Doctrine\ORM\Internal\CommitOrderCalculator
|
|
*/
|
|
public function getCommitOrderCalculator()
|
|
{
|
|
return $this->_commitOrderCalculator;
|
|
}
|
|
|
|
/**
|
|
* Clears the UnitOfWork.
|
|
*/
|
|
public function clear()
|
|
{
|
|
$this->_identityMap =
|
|
$this->_entityIdentifiers =
|
|
$this->_originalEntityData =
|
|
$this->_entityChangeSets =
|
|
$this->_entityStates =
|
|
$this->_scheduledForDirtyCheck =
|
|
$this->_entityInsertions =
|
|
$this->_entityUpdates =
|
|
$this->_entityDeletions =
|
|
$this->_collectionDeletions =
|
|
$this->_collectionUpdates =
|
|
$this->_orphanRemovals = array();
|
|
$this->_commitOrderCalculator->clear();
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param object $entity
|
|
*/
|
|
public function scheduleOrphanRemoval($entity)
|
|
{
|
|
$this->_orphanRemovals[spl_object_hash($entity)] = $entity;
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Schedules a complete collection for removal when this UnitOfWork commits.
|
|
*
|
|
* @param PersistentCollection $coll
|
|
*/
|
|
public function scheduleCollectionDeletion(PersistentCollection $coll)
|
|
{
|
|
//TODO: if $coll is already scheduled for recreation ... what to do?
|
|
// Just remove $coll from the scheduled recreations?
|
|
$this->_collectionDeletions[] = $coll;
|
|
}
|
|
|
|
public function isCollectionScheduledForDeletion(PersistentCollection $coll)
|
|
{
|
|
//...
|
|
}
|
|
|
|
/*public function scheduleCollectionRecreation(PersistentCollection $coll)
|
|
{
|
|
$this->_collectionRecreations[] = $coll;
|
|
}*/
|
|
|
|
/*public function isCollectionScheduledForRecreation(PersistentCollection $coll)
|
|
{
|
|
//...
|
|
}*/
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Creates an entity. Used for reconstitution of entities during hydration.
|
|
*
|
|
* @param string $className The name of the entity class.
|
|
* @param array $data The data for the entity.
|
|
* @return object The created entity instance.
|
|
* @internal Highly performance-sensitive method. Run the performance test suites when
|
|
* making modifications.
|
|
*/
|
|
public function createEntity($className, array $data, $hints = array())
|
|
{
|
|
$class = $this->_em->getClassMetadata($className);
|
|
|
|
if ($class->isIdentifierComposite) {
|
|
$id = array();
|
|
foreach ($class->identifier as $fieldName) {
|
|
$id[] = $data[$fieldName];
|
|
}
|
|
$idHash = implode(' ', $id);
|
|
} else {
|
|
$id = array($data[$class->identifier[0]]);
|
|
$idHash = $id[0];
|
|
}
|
|
|
|
if (isset($this->_identityMap[$class->rootEntityName][$idHash])) {
|
|
$entity = $this->_identityMap[$class->rootEntityName][$idHash];
|
|
$oid = spl_object_hash($entity);
|
|
$overrideLocalChanges = isset($hints[Query::HINT_REFRESH]);
|
|
} else {
|
|
$entity = new $className;
|
|
$oid = spl_object_hash($entity);
|
|
$this->_entityIdentifiers[$oid] = $id;
|
|
$this->_entityStates[$oid] = self::STATE_MANAGED;
|
|
$this->_originalEntityData[$oid] = $data;
|
|
$this->_identityMap[$class->rootEntityName][$idHash] = $entity;
|
|
if ($entity instanceof \Doctrine\Common\NotifyPropertyChanged) {
|
|
$entity->addPropertyChangedListener($this);
|
|
}
|
|
$overrideLocalChanges = true;
|
|
}
|
|
|
|
if ($overrideLocalChanges) {
|
|
if ($this->_useCExtension) {
|
|
doctrine_populate_data($entity, $data);
|
|
} else {
|
|
foreach ($data as $field => $value) {
|
|
if (isset($class->reflFields[$field])) {
|
|
$class->reflFields[$field]->setValue($entity, $value);
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
foreach ($data as $field => $value) {
|
|
if (isset($class->reflFields[$field])) {
|
|
$currentValue = $class->reflFields[$field]->getValue($entity);
|
|
// Only override the current value if:
|
|
// a) There was no original value yet (nothing in _originalEntityData)
|
|
// or
|
|
// b) The original value is the same as the current value (it was not changed).
|
|
if ( ! isset($this->_originalEntityData[$oid][$field]) ||
|
|
$currentValue == $this->_originalEntityData[$oid][$field]) {
|
|
$class->reflFields[$field]->setValue($entity, $value);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isset($class->lifecycleCallbacks[Events::postLoad])) {
|
|
$class->invokeLifecycleCallbacks(Events::postLoad, $entity);
|
|
}
|
|
if ($this->_evm->hasListeners(Events::postLoad)) {
|
|
$this->_evm->dispatchEvent(Events::postLoad, new LifecycleEventArgs($entity));
|
|
}
|
|
|
|
|
|
return $entity;
|
|
}
|
|
|
|
/**
|
|
* Gets the identity map of the UnitOfWork.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getIdentityMap()
|
|
{
|
|
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.
|
|
*
|
|
* @param object $entity
|
|
* @return array
|
|
*/
|
|
public function getOriginalEntityData($entity)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
if (isset($this->_originalEntityData[$oid])) {
|
|
return $this->_originalEntityData[$oid];
|
|
}
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Sets a property value of the original data array of an entity.
|
|
*
|
|
* @param string $oid
|
|
* @param string $property
|
|
* @param mixed $value
|
|
*/
|
|
public function setOriginalEntityProperty($oid, $property, $value)
|
|
{
|
|
$this->_originalEntityData[$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().
|
|
*
|
|
* @param object $entity
|
|
* @return array The identifier values.
|
|
*/
|
|
public function getEntityIdentifier($entity)
|
|
{
|
|
return $this->_entityIdentifiers[spl_object_hash($entity)];
|
|
}
|
|
|
|
/**
|
|
* 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 $rootClassName The name of the root class of the mapped entity hierarchy.
|
|
* @return mixed Returns the entity with the specified identifier if it exists in
|
|
* this UnitOfWork, FALSE otherwise.
|
|
*/
|
|
public function tryGetById($id, $rootClassName)
|
|
{
|
|
$idHash = implode(' ', (array) $id);
|
|
if (isset($this->_identityMap[$rootClassName][$idHash])) {
|
|
return $this->_identityMap[$rootClassName][$idHash];
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Schedules an entity for dirty-checking at commit-time.
|
|
*
|
|
* @param object $entity The entity to schedule for dirty-checking.
|
|
*/
|
|
public function scheduleForDirtyCheck($entity)
|
|
{
|
|
$rootClassName = $this->_em->getClassMetadata(get_class($entity))->rootEntityName;
|
|
$this->_scheduledForDirtyCheck[$rootClassName] = $entity;
|
|
}
|
|
|
|
/**
|
|
* Checks whether the UnitOfWork has any pending insertions.
|
|
*
|
|
* @return boolean TRUE if this UnitOfWork has pending insertions, FALSE otherwise.
|
|
*/
|
|
public function hasPendingInsertions()
|
|
{
|
|
return ! empty($this->_entityInsertions);
|
|
}
|
|
|
|
/**
|
|
* Calculates the size of the UnitOfWork. The size of the UnitOfWork is the
|
|
* number of entities in the identity map.
|
|
*
|
|
* @return integer
|
|
*/
|
|
public function size()
|
|
{
|
|
$count = 0;
|
|
foreach ($this->_identityMap as $entitySet) {
|
|
$count += count($entitySet);
|
|
}
|
|
return $count;
|
|
}
|
|
|
|
/**
|
|
* Gets the EntityPersister for an Entity.
|
|
*
|
|
* @param string $entityName The name of the Entity.
|
|
* @return Doctrine\ORM\Persister\AbstractEntityPersister
|
|
*/
|
|
public function getEntityPersister($entityName)
|
|
{
|
|
if ( ! isset($this->_persisters[$entityName])) {
|
|
$class = $this->_em->getClassMetadata($entityName);
|
|
if ($class->isInheritanceTypeNone()) {
|
|
$persister = new Persisters\StandardEntityPersister($this->_em, $class);
|
|
} else if ($class->isInheritanceTypeSingleTable()) {
|
|
$persister = new Persisters\SingleTablePersister($this->_em, $class);
|
|
} else if ($class->isInheritanceTypeJoined()) {
|
|
$persister = new Persisters\JoinedSubclassPersister($this->_em, $class);
|
|
} else {
|
|
$persister = new Persisters\UnionSubclassPersister($this->_em, $class);
|
|
}
|
|
$this->_persisters[$entityName] = $persister;
|
|
}
|
|
return $this->_persisters[$entityName];
|
|
}
|
|
|
|
/**
|
|
* Gets a collection persister for a collection-valued association.
|
|
*
|
|
* @param AssociationMapping $association
|
|
* @return AbstractCollectionPersister
|
|
*/
|
|
public function getCollectionPersister($association)
|
|
{
|
|
$type = get_class($association);
|
|
if ( ! isset($this->_collectionPersisters[$type])) {
|
|
if ($association instanceof Mapping\OneToManyMapping) {
|
|
$persister = new Persisters\OneToManyPersister($this->_em);
|
|
} else if ($association instanceof Mapping\ManyToManyMapping) {
|
|
$persister = new Persisters\ManyToManyPersister($this->_em);
|
|
}
|
|
$this->_collectionPersisters[$type] = $persister;
|
|
}
|
|
return $this->_collectionPersisters[$type];
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Registers an entity as managed.
|
|
*
|
|
* @param object $entity The entity.
|
|
* @param array $id The identifier values.
|
|
* @param array $data The original entity data.
|
|
*/
|
|
public function registerManaged($entity, $id, $data)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
$this->_entityIdentifiers[$oid] = $id;
|
|
$this->_entityStates[$oid] = self::STATE_MANAGED;
|
|
$this->_originalEntityData[$oid] = $data;
|
|
$this->addToIdentityMap($entity);
|
|
}
|
|
|
|
/**
|
|
* INTERNAL:
|
|
* Clears the property changeset of the entity with the given OID.
|
|
*
|
|
* @param string $oid The entity's OID.
|
|
*/
|
|
public function clearEntityChangeSet($oid)
|
|
{
|
|
unset($this->_entityChangeSets[$oid]);
|
|
}
|
|
|
|
/* PropertyChangedListener implementation */
|
|
|
|
/**
|
|
* Notifies this UnitOfWork of a property change in an entity.
|
|
*
|
|
* @param object $entity The entity that owns the property.
|
|
* @param string $propertyName The name of the property that changed.
|
|
* @param mixed $oldValue The old value of the property.
|
|
* @param mixed $newValue The new value of the property.
|
|
*/
|
|
public function propertyChanged($entity, $propertyName, $oldValue, $newValue)
|
|
{
|
|
$oid = spl_object_hash($entity);
|
|
$class = $this->_em->getClassMetadata(get_class($entity));
|
|
|
|
$this->_entityChangeSets[$oid][$propertyName] = array($oldValue, $newValue);
|
|
|
|
if (isset($class->associationMappings[$propertyName])) {
|
|
$assoc = $class->associationMappings[$propertyName];
|
|
if ($assoc->isOneToOne() && $assoc->isOwningSide) {
|
|
$this->_entityUpdates[$oid] = $entity;
|
|
} else if ($oldValue instanceof PersistentCollection) {
|
|
// A PersistentCollection was de-referenced, so delete it.
|
|
if ( ! in_array($oldValue, $this->_collectionDeletions, true)) {
|
|
$this->_collectionDeletions[] = $oldValue;
|
|
}
|
|
}
|
|
} else {
|
|
$this->_entityUpdates[$oid] = $entity;
|
|
}
|
|
}
|
|
}
|