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DDC-1415 - Remove EntityEventDelegatee, the API sucks and we need another approach.

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Benjamin Eberlei 2011-12-12 16:46:53 +01:00
parent 43ef8765fd
commit f7ede572e0
1 changed files with 0 additions and 122 deletions
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122
lib/Doctrine/ORM/Event/EntityEventDelegator.php
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@ -1,122 +0,0 @@
<?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 LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Event;
use Doctrine\Common\EventSubscriber;
use LogicException;
/**
* Delegate events only for certain entities they are registered for.
*
* @link www.doctrine-project.org
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @since 2.2
*/
class EntityEventDelegator implements EventSubscriber
{
/**
* Keeps track of all the event listeners.
*
* @var array
*/
private $listeners = array();
/**
* If frozen no new event listeners can be added.
*
* @var bool
*/
private $frozen = false;
/**
* Adds an event listener that listens on the specified events.
*
* @param string|array $events The event(s) to listen on.
* @param string|array $entities The entities to trigger this listener for
* @param object $listener The listener object.
*/
public function addEventListener($events, $entities, $listener)
{
if ($this->frozen) {
throw new LogicException(
"Cannot add event listeners after EntityEventDelegator::getSubscribedEvents() " .
"is called once. This happens when you register the delegator with the event manager."
);
}
// Picks the hash code related to that listener
$hash = spl_object_hash($listener);
$entities = array_flip((array) $entities);
foreach ((array) $events as $event) {
// Overrides listener if a previous one was associated already
// Prevents duplicate listeners on same event (same instance only)
$this->listeners[$event][$hash] = array(
'listener' => $listener,
'entities' => $entities
);
}
}
/**
* Adds an EventSubscriber. The subscriber is asked for all the events he is
* interested in and added as a listener for these events.
*
* @param \Doctrine\Common\EventSubscriber $subscriber The subscriber.
* @param array $entities
*/
public function addEventSubscriber(EventSubscriber $subscriber, $entities)
{
$this->addEventListener($subscriber->getSubscribedEvents(), $entities, $subscriber);
}
/**
* Returns an array of events this subscriber wants to listen to.
*
* @return array
*/
public function getSubscribedEvents()
{
$this->frozen = true;
return array_keys($this->listeners);
}
/**
* Delegate the event to an appropriate listener
*
* @param string $eventName
* @param array $args
* @return void
*/
public function __call($eventName, $args)
{
$event = $args[0];
foreach ($this->listeners[$eventName] AS $listenerData) {
$class = get_class($event->getEntity());
if ( ! isset($listenerData['entities'][$class])) continue;
$listenerData['listener']->$eventName($event);
}
}
}