forked from timw4mail/HummingBirdAnimeClient
100 lines
2.4 KiB
PHP
100 lines
2.4 KiB
PHP
<?php
|
|
/**
|
|
* Ion
|
|
*
|
|
* Building blocks for web development
|
|
*
|
|
* @package Ion
|
|
* @author Timothy J. Warren
|
|
* @copyright Copyright (c) 2015 - 2016
|
|
* @license MIT
|
|
*/
|
|
|
|
namespace Aviat\Ion\Cache;
|
|
|
|
use \Aviat\Ion\Di\ContainerInterface;
|
|
|
|
/**
|
|
* Class proxying cached and fresh values from the selected cache driver
|
|
*/
|
|
class CacheManager implements CacheInterface {
|
|
|
|
/**
|
|
* @var CacheDriverInterface
|
|
*/
|
|
protected $driver;
|
|
|
|
/**
|
|
* Retreive the appropriate driver from the container
|
|
*/
|
|
public function __construct(ContainerInterface $container)
|
|
{
|
|
$config = $container->get('config');
|
|
$driverConf = $config->get('cache_driver');
|
|
|
|
$driverClass = __NAMESPACE__ . "\\Driver\\{$driverConf}";
|
|
$driver = new $driverClass($container);
|
|
|
|
$this->driver = $driver;
|
|
}
|
|
|
|
/**
|
|
* Retreive a cached value if it exists, otherwise, get the value
|
|
* from the passed arguments
|
|
*
|
|
* @param object $object - object to retrieve fresh value from
|
|
* @param string $method - method name to call
|
|
* @param [array] $args - the arguments to pass to the retrieval method
|
|
* @return mixed - the cached or fresh data
|
|
*/
|
|
public function get($object, $method, array $args=[])
|
|
{
|
|
$hash = $this->generateHashForMethod($object, $method, $args);
|
|
|
|
$data = $this->driver->get($hash);
|
|
|
|
if (empty($data))
|
|
{
|
|
$data = call_user_func_array([$object, $method], $args);
|
|
$this->driver->set($hash, $data);
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Retreive a fresh value from the method, and update the cache
|
|
* @param object $object - object to retrieve fresh value from
|
|
* @param string $method - method name to call
|
|
* @param [array] $args - the arguments to pass to the retrieval method
|
|
* @return mixed - the fresh data
|
|
*/
|
|
public function getFresh($object, $method, array $args=[])
|
|
{
|
|
$hash = $this->generateHashForMethod($object, $method, $args);
|
|
$data = call_user_func_array([$object, $method], $args);
|
|
$this->driver->set($hash, $data);
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* Generate a hash as a cache key from the current method call
|
|
*
|
|
* @param object $object
|
|
* @param string $method
|
|
* @param array $args
|
|
* @return string
|
|
*/
|
|
public function generateHashForMethod($object, $method, array $args)
|
|
{
|
|
$classname = get_class($object);
|
|
$keyObj = [
|
|
'class' => $classname,
|
|
'method' => $method,
|
|
'args' => $args,
|
|
];
|
|
$hash = sha1(json_encode($keyObj));
|
|
return $hash;
|
|
}
|
|
}
|
|
// End of CacheManager.php
|