CacheCollectorPass.php
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Cache\DependencyInjection;
use Symfony\Component\Cache\Adapter\TagAwareAdapterInterface;
use Symfony\Component\Cache\Adapter\TraceableAdapter;
use Symfony\Component\Cache\Adapter\TraceableTagAwareAdapter;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Reference;
/**
* Inject a data collector to all the cache services to be able to get detailed statistics.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class CacheCollectorPass implements CompilerPassInterface
{
private $dataCollectorCacheId;
private $cachePoolTag;
private $cachePoolRecorderInnerSuffix;
public function __construct(string $dataCollectorCacheId = 'data_collector.cache', string $cachePoolTag = 'cache.pool', string $cachePoolRecorderInnerSuffix = '.recorder_inner')
{
if (0 < \func_num_args()) {
trigger_deprecation('symfony/cache', '5.3', 'Configuring "%s" is deprecated.', __CLASS__);
}
$this->dataCollectorCacheId = $dataCollectorCacheId;
$this->cachePoolTag = $cachePoolTag;
$this->cachePoolRecorderInnerSuffix = $cachePoolRecorderInnerSuffix;
}
/**
* {@inheritdoc}
*/
public function process(ContainerBuilder $container)
{
if (!$container->hasDefinition($this->dataCollectorCacheId)) {
return;
}
foreach ($container->findTaggedServiceIds($this->cachePoolTag) as $id => $attributes) {
$poolName = $attributes[0]['name'] ?? $id;
$this->addToCollector($id, $poolName, $container);
}
}
private function addToCollector(string $id, string $name, ContainerBuilder $container)
{
$definition = $container->getDefinition($id);
if ($definition->isAbstract()) {
return;
}
$collectorDefinition = $container->getDefinition($this->dataCollectorCacheId);
$recorder = new Definition(is_subclass_of($definition->getClass(), TagAwareAdapterInterface::class) ? TraceableTagAwareAdapter::class : TraceableAdapter::class);
$recorder->setTags($definition->getTags());
if (!$definition->isPublic() || !$definition->isPrivate()) {
$recorder->setPublic($definition->isPublic());
}
$recorder->setArguments([new Reference($innerId = $id.$this->cachePoolRecorderInnerSuffix)]);
foreach ($definition->getMethodCalls() as [$method, $args]) {
if ('setCallbackWrapper' !== $method || !$args[0] instanceof Definition || !($args[0]->getArguments()[2] ?? null) instanceof Definition) {
continue;
}
if ([new Reference($id), 'setCallbackWrapper'] == $args[0]->getArguments()[2]->getFactory()) {
$args[0]->getArguments()[2]->setFactory([new Reference($innerId), 'setCallbackWrapper']);
}
}
$definition->setTags([]);
$definition->setPublic(false);
$container->setDefinition($innerId, $definition);
$container->setDefinition($id, $recorder);
// Tell the collector to add the new instance
$collectorDefinition->addMethodCall('addInstance', [$name, new Reference($id)]);
$collectorDefinition->setPublic(false);
}
}