Viewing file:  QueryCacheProfile.php (3.05 KB) -rw-r--r--
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<?php
namespace Doctrine\DBAL\Cache;
use Doctrine\Common\Cache\Cache;
use Doctrine\DBAL\Types\Type;
use function hash;
use function serialize;
use function sha1;
/**
* Query Cache Profile handles the data relevant for query caching.
*
* It is a value object, setter methods return NEW instances.
*/
class QueryCacheProfile
{
/** @var Cache|null */
private $resultCacheDriver;
/** @var int */
private $lifetime = 0;
/** @var string|null */
private $cacheKey;
/**
* @param int $lifetime
* @param string|null $cacheKey
*/
public function __construct($lifetime = 0, $cacheKey = null, ?Cache $resultCache = null)
{
$this->lifetime = $lifetime;
$this->cacheKey = $cacheKey;
$this->resultCacheDriver = $resultCache;
}
/**
* @return Cache|null
*/
public function getResultCacheDriver()
{
return $this->resultCacheDriver;
}
/**
* @return int
*/
public function getLifetime()
{
return $this->lifetime;
}
/**
* @return string
*
* @throws CacheException
*/
public function getCacheKey()
{
if ($this->cacheKey === null) {
throw CacheException::noCacheKey();
}
return $this->cacheKey;
}
/**
* Generates the real cache key from query, params, types and connection parameters.
*
* @param string $sql
* @param array<int, mixed>|array<string, mixed> $params
* @param array<int, Type|int|string|null>|array<string, Type|int|string|null> $types
* @param array<string, mixed> $connectionParams
*
* @return string[]
*/
public function generateCacheKeys($sql, $params, $types, array $connectionParams = [])
{
$realCacheKey = 'query=' . $sql .
'¶ms=' . serialize($params) .
'&types=' . serialize($types) .
'&connectionParams=' . hash('sha256', serialize($connectionParams));
// should the key be automatically generated using the inputs or is the cache key set?
if ($this->cacheKey === null) {
$cacheKey = sha1($realCacheKey);
} else {
$cacheKey = $this->cacheKey;
}
return [$cacheKey, $realCacheKey];
}
/**
* @return QueryCacheProfile
*/
public function setResultCacheDriver(Cache $cache)
{
return new QueryCacheProfile($this->lifetime, $this->cacheKey, $cache);
}
/**
* @param string|null $cacheKey
*
* @return QueryCacheProfile
*/
public function setCacheKey($cacheKey)
{
return new QueryCacheProfile($this->lifetime, $cacheKey, $this->resultCacheDriver);
}
/**
* @param int $lifetime
*
* @return QueryCacheProfile
*/
public function setLifetime($lifetime)
{
return new QueryCacheProfile($lifetime, $this->cacheKey, $this->resultCacheDriver);
}
}
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