friendica/src/Core/Cache/ProfilerCache.php

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<?php
namespace Friendica\Core\Cache;
use Friendica\Core\System;
use Friendica\Util\Profiler;
/**
* This class wraps cache driver so they can get profiled - in case the profiler is enabled
*
* It is using the decorator pattern (@see
*/
class ProfilerCache implements ICache, IMemoryCache
{
/**
* @var ICache The original cache driver
*/
private $cache;
/**
* @var Profiler The profiler of Friendica
*/
private $profiler;
public function __construct(ICache $cache, Profiler $profiler)
{
$this->cache = $cache;
$this->profiler = $profiler;
}
/**
* {@inheritDoc}
*/
public function getAllKeys($prefix = null)
{
$time = microtime(true);
$return = $this->cache->getAllKeys($prefix);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
}
/**
* {@inheritDoc}
*/
public function get($key)
{
$time = microtime(true);
$return = $this->cache->get($key);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
}
/**
* {@inheritDoc}
*/
public function set($key, $value, $ttl = Cache::FIVE_MINUTES)
{
$time = microtime(true);
$return = $this->cache->set($key, $value, $ttl);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
}
/**
* {@inheritDoc}
*/
public function delete($key)
{
$time = microtime(true);
$return = $this->cache->delete($key);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
}
/**
* {@inheritDoc}
*/
public function clear($outdated = true)
{
$time = microtime(true);
$return = $this->cache->clear($outdated);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
}
/**
* {@inheritDoc}
*/
public function add($key, $value, $ttl = Cache::FIVE_MINUTES)
{
if ($this->cache instanceof IMemoryCache) {
$time = microtime(true);
$return = $this->cache->add($key, $value, $ttl);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
} else {
return false;
}
}
/**
* {@inheritDoc}
*/
public function compareSet($key, $oldValue, $newValue, $ttl = Cache::FIVE_MINUTES)
{
if ($this->cache instanceof IMemoryCache) {
$time = microtime(true);
$return = $this->cache->compareSet($key, $oldValue, $newValue, $ttl);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
} else {
return false;
}
}
/**
* {@inheritDoc}
*/
public function compareDelete($key, $value)
{
if ($this->cache instanceof IMemoryCache) {
$time = microtime(true);
$return = $this->cache->compareDelete($key, $value);
$this->profiler->saveTimestamp($time, 'cache', System::callstack());
return $return;
} else {
return false;
}
}
public function __toString()
{
return (string)$this->cache . ' (with profiler)';
}
}