tao-test/app/tao/models/classes/service/SettingsStorage.php

104 lines
2.7 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2019 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
*/
namespace oat\tao\model\service;
use common_Exception;
use common_persistence_KeyValuePersistence;
use common_persistence_Persistence;
use oat\oatbox\service\ConfigurableService;
use oat\tao\model\settings\SettingsStorageInterface;
/**
* Persistence for settings
*
* @author Martijn Swinkels <m.swinkels@taotesting.com>
*/
class SettingsStorage extends ConfigurableService implements SettingsStorageInterface
{
const OPTION_PERSISTENCE = 'persistence';
const OPTION_KEY_NAMESPACE = 'key_namespace';
/**
* @var common_persistence_KeyValuePersistence
*/
private $persistence;
/**
* @inheritdoc
*/
public function set($settingId, $data)
{
try {
return $this->getPersistence()->set($this->getKey($settingId), $data);
} catch (common_Exception $e) {
return false;
}
}
/**
* @inheritdoc
*/
public function get($settingId)
{
return $this->getPersistence()->get($this->getKey($settingId));
}
/**
* @inheritdoc
*/
public function exists($settingId)
{
return $this->getPersistence()->exists($this->getKey($settingId));
}
/**
* @inheritdoc
*/
public function del($settingId)
{
return $this->getPersistence()->del($this->getKey($settingId));
}
/**
* @return common_persistence_Persistence
*/
private function getPersistence()
{
if ($this->persistence === null) {
$this->persistence = common_persistence_KeyValuePersistence::getPersistence(
$this->getOption(self::OPTION_PERSISTENCE)
);
}
return $this->persistence;
}
/**
* @param string $settingId
* @return string
*/
private function getKey($settingId)
{
$namespace = $this->hasOption(self::OPTION_KEY_NAMESPACE) ? $this->getOption(self::OPTION_KEY_NAMESPACE) : '';
return $namespace . $settingId;
}
}