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doctrine2/lib/Doctrine/ORM/Cache/DefaultCollectionHydrator.php
2015-02-16 00:53:48 +00:00

104 lines
3.3 KiB
PHP

<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Cache;
use Doctrine\ORM\Query;
use Doctrine\ORM\PersistentCollection;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\EntityManagerInterface;
/**
* Default hydrator cache for collections
*
* @since 2.5
* @author Fabio B. Silva <fabio.bat.silva@gmail.com>
*/
class DefaultCollectionHydrator implements CollectionHydrator
{
/**
* @var \Doctrine\ORM\EntityManagerInterface
*/
private $em;
/**
* @var \Doctrine\ORM\UnitOfWork
*/
private $uow;
/**
* @var array
*/
private static $hints = array(Query::HINT_CACHE_ENABLED => true);
/**
* @param \Doctrine\ORM\EntityManagerInterface $em The entity manager.
*/
public function __construct(EntityManagerInterface $em)
{
$this->em = $em;
$this->uow = $em->getUnitOfWork();
}
/**
* {@inheritdoc}
*/
public function buildCacheEntry(ClassMetadata $metadata, CollectionCacheKey $key, $collection)
{
$data = array();
foreach ($collection as $index => $entity) {
$data[$index] = new EntityCacheKey($metadata->name, $this->uow->getEntityIdentifier($entity));
}
return new CollectionCacheEntry($data);
}
/**
* {@inheritdoc}
*/
public function loadCacheEntry(ClassMetadata $metadata, CollectionCacheKey $key, CollectionCacheEntry $entry, PersistentCollection $collection)
{
$assoc = $metadata->associationMappings[$key->association];
/* @var $targetPersister \Doctrine\ORM\Cache\Persister\CachedPersister */
$targetPersister = $this->uow->getEntityPersister($assoc['targetEntity']);
$targetRegion = $targetPersister->getCacheRegion();
$list = array();
$entityEntries = $targetRegion->getMultiple($entry);
if ($entityEntries === null) {
return null;
}
/* @var $entityEntries \Doctrine\ORM\Cache\EntityCacheEntry[] */
foreach ($entityEntries as $index => $entityEntry) {
$list[$index] = $this->uow->createEntity($entityEntry->class, $entityEntry->resolveAssociationEntries($this->em), self::$hints);
}
array_walk($list, function($entity, $index) use ($collection) {
$collection->hydrateSet($index, $entity);
});
$this->uow->hydrationComplete();
return $list;
}
}