tao-test/app/taoQtiTest/models/classes/runner/toolsStates/KvToolsStateStorage.php

80 lines
2.3 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) 2014 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
*
*/
namespace oat\taoQtiTest\models\runner\toolsStates;
/**
* Key-value implementation of tools state storage
*
* Class KvToolsStateStorage
* @package oat\taoQtiTest\models\runner\toolsStates
*/
class KvToolsStateStorage extends ToolsStateStorage
{
/**
* Key prefix for states in the global key-value storage
*/
const PREFIX_STATES = 'ToolsStateStorage:states';
/**
* @return \common_persistence_AdvKeyValuePersistence
* @throws \common_exception_Error
*/
protected function getPersistence()
{
$persistence = parent::getPersistence();
if (!$persistence instanceof \common_persistence_AdvKeyValuePersistence) {
throw new \common_exception_Error('Given persistence should be of key-value type');
}
return $persistence;
}
/**
* @inheritdoc
*
* @throws \common_exception_Error
*/
public function storeStates($deliveryExecutionId, $states)
{
$this->getPersistence()->hmSet(self::PREFIX_STATES . $deliveryExecutionId, $states);
}
/**
* @inheritdoc
*
* @throws \common_exception_Error
*/
public function getStates($deliveryExecutionId)
{
return $this->getPersistence()->hGetAll(self::PREFIX_STATES . $deliveryExecutionId);
}
/**
* @inheritdoc
*
* @throws \common_exception_Error
*/
public function deleteStates($deliveryExecutionId)
{
return $this->getPersistence()->del(self::PREFIX_STATES . $deliveryExecutionId);
}
}