openstackid/app/libs/Utils/Services/UniqueIdentifierGenerator.php

49 lines
1.4 KiB
PHP

<?php namespace Utils\Services;
/**
* Copyright 2016 OpenStack Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
use Utils\Model\Identifier;
use Zend\Crypt\Hash;
/**
* Class UniqueIdentifierGenerator
* @package Utils\Services
*/
class UniqueIdentifierGenerator implements IdentifierGenerator
{
/**
* @var ICacheService
*/
private $cache_service;
/**
* @param ICacheService $cache_service
*/
public function __construct(ICacheService $cache_service)
{
$this->cache_service = $cache_service;
}
/**
* @param Identifier $identifier
* @return Identifier
*/
public function generate(Identifier $identifier):Identifier{
do
{
$key = sprintf("%s.%s", $identifier->getType(), Hash::compute('sha256', $identifier->generateValue()));
}
while(!$this->cache_service->addSingleValue($key, $key));
return $identifier;
}
}