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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\Simple;
use Psr\SimpleCache\CacheInterface as Psr16CacheInterface;
use Symfony\Component\Cache\Adapter\TraceableAdapter;
use Symfony\Component\Cache\PruneableInterface;
use Symfony\Component\Cache\ResettableInterface;
use Symfony\Contracts\Cache\CacheInterface;
use Symfony\Contracts\Service\ResetInterface;
@trigger_error(sprintf('The "%s" class is deprecated since Symfony 4.3, use "%s" and type-hint for "%s" instead.', TraceableCache::class, TraceableAdapter::class, CacheInterface::class), \E_USER_DEPRECATED);
/**
* @deprecated since Symfony 4.3, use TraceableAdapter and type-hint for CacheInterface instead.
*/
class TraceableCache implements Psr16CacheInterface, PruneableInterface, ResettableInterface
{
private $pool;
private $miss;
private $calls = [];
public function __construct(Psr16CacheInterface $pool)
{
$this->pool = $pool;
$this->miss = new \stdClass();
}
/**
* {@inheritdoc}
*/
public function get($key, $default = null)
{
$miss = null !== $default && \is_object($default) ? $default : $this->miss;
$event = $this->start(__FUNCTION__);
try {
$value = $this->pool->get($key, $miss);
} finally {
$event->end = microtime(true);
}
if ($event->result[$key] = $miss !== $value) {
++$event->hits;
} else {
++$event->misses;
$value = $default;
}
return $value;
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function has($key)
{
$event = $this->start(__FUNCTION__);
try {
return $event->result[$key] = $this->pool->has($key);
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function delete($key)
{
$event = $this->start(__FUNCTION__);
try {
return $event->result[$key] = $this->pool->delete($key);
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function set($key, $value, $ttl = null)
{
$event = $this->start(__FUNCTION__);
try {
return $event->result[$key] = $this->pool->set($key, $value, $ttl);
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function setMultiple($values, $ttl = null)
{
$event = $this->start(__FUNCTION__);
$event->result['keys'] = [];
if ($values instanceof \Traversable) {
$values = function () use ($values, $event) {
foreach ($values as $k => $v) {
$event->result['keys'][] = $k;
yield $k => $v;
}
};
$values = $values();
} elseif (\is_array($values)) {
$event->result['keys'] = array_keys($values);
}
try {
return $event->result['result'] = $this->pool->setMultiple($values, $ttl);
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*
* @return iterable
*/
public function getMultiple($keys, $default = null)
{
$miss = null !== $default && \is_object($default) ? $default : $this->miss;
$event = $this->start(__FUNCTION__);
try {
$result = $this->pool->getMultiple($keys, $miss);
} finally {
$event->end = microtime(true);
}
$f = function () use ($result, $event, $miss, $default) {
$event->result = [];
foreach ($result as $key => $value) {
if ($event->result[$key] = $miss !== $value) {
++$event->hits;
} else {
++$event->misses;
$value = $default;
}
yield $key => $value;
}
};
return $f();
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function clear()
{
$event = $this->start(__FUNCTION__);
try {
return $event->result = $this->pool->clear();
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*
* @return bool
*/
public function deleteMultiple($keys)
{
$event = $this->start(__FUNCTION__);
if ($keys instanceof \Traversable) {
$keys = $event->result['keys'] = iterator_to_array($keys, false);
} else {
$event->result['keys'] = $keys;
}
try {
return $event->result['result'] = $this->pool->deleteMultiple($keys);
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*/
public function prune()
{
if (!$this->pool instanceof PruneableInterface) {
return false;
}
$event = $this->start(__FUNCTION__);
try {
return $event->result = $this->pool->prune();
} finally {
$event->end = microtime(true);
}
}
/**
* {@inheritdoc}
*/
public function reset()
{
if (!$this->pool instanceof ResetInterface) {
return;
}
$event = $this->start(__FUNCTION__);
try {
$this->pool->reset();
} finally {
$event->end = microtime(true);
}
}
public function getCalls()
{
try {
return $this->calls;
} finally {
$this->calls = [];
}
}
private function start(string $name): TraceableCacheEvent
{
$this->calls[] = $event = new TraceableCacheEvent();
$event->name = $name;
$event->start = microtime(true);
return $event;
}
}
class TraceableCacheEvent
{
public $name;
public $start;
public $end;
public $result;
public $hits = 0;
public $misses = 0;
}