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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Tools;
use Doctrine\ORM\Event\LoadClassMetadataEventArgs;
use Doctrine\ORM\Mapping\ClassMetadata;
/**
* Mechanism to programmatically attach entity listeners.
*
* @author Fabio B. SIlva <fabio.bat.silva@gmail.com>
*
* @since 2.5
*/
class AttachEntityListenersListener
{
/**
* @var array[]
*/
private $entityListeners = [];
/**
* Adds a entity listener for a specific entity.
*
* @param string $entityClass The entity to attach the listener.
* @param string $listenerClass The listener class.
* @param string $eventName The entity lifecycle event.
* @param string|null $listenerCallback The listener callback method or NULL to use $eventName.
*
* @return void
*/
public function addEntityListener($entityClass, $listenerClass, $eventName, $listenerCallback = null)
{
$this->entityListeners[ltrim($entityClass, '\\')][] = [
'event' => $eventName,
'class' => $listenerClass,
'method' => $listenerCallback ?: $eventName
];
}
/**
* Processes event and attach the entity listener.
*
* @param \Doctrine\ORM\Event\LoadClassMetadataEventArgs $event
*
* @return void
*/
public function loadClassMetadata(LoadClassMetadataEventArgs $event)
{
$metadata = $event->getClassMetadata();
if ( ! isset($this->entityListeners[$metadata->name])) {
return;
}
foreach ($this->entityListeners[$metadata->name] as $listener) {
$metadata->addEntityListener($listener['event'], $listener['class'], $listener['method']);
}
unset($this->entityListeners[$metadata->name]);
}
}
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