Memcache.php

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<?php

namespace SimpleSAML\Store;

use \SimpleSAML_Configuration as Configuration;
use \SimpleSAML\Store;

class Memcache extends Store
{
    private $prefix;


    protected function __construct()
    {
        $config = Configuration::getInstance();
        $this->prefix = $config->getString('memcache_store.prefix', 'simpleSAMLphp');
    }


    public function get($type, $key)
    {
        assert(is_string($type));
        assert(is_string($key));

        return \SimpleSAML_Memcache::get($this->prefix . '.' . $type . '.' . $key);
    }


    public function set($type, $key, $value, $expire = null)
    {
        assert(is_string($type));
        assert(is_string($key));
        assert($expire === null || (is_int($expire) && $expire > 2592000));

        if ($expire === null) {
            $expire = 0;
        }

        \SimpleSAML_Memcache::set($this->prefix . '.' . $type . '.' . $key, $value, $expire);
    }


    public function delete($type, $key)
    {
        assert(is_string($type));
        assert(is_string($key));

        \SimpleSAML_Memcache::delete($this->prefix . '.' . $type . '.' . $key);
    }
}