<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <robin@icewind.nl>
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\Session;

use OCP\ISession;

abstract class Session implements \ArrayAccess, ISession {

	/**
	 * @var bool
	 */
	protected $sessionClosed = false;

	/**
	 * $name serves as a namespace for the session keys
	 *
	 * @param string $name
	 */
	abstract public function __construct(string $name);

	/**
	 * @param mixed $offset
	 * @return bool
	 */
	public function offsetExists($offset): bool {
		return $this->exists($offset);
	}

	/**
	 * @param mixed $offset
	 * @return mixed
	 */
	public function offsetGet($offset) {
		return $this->get($offset);
	}

	/**
	 * @param mixed $offset
	 * @param mixed $value
	 */
	public function offsetSet($offset, $value) {
		$this->set($offset, $value);
	}

	/**
	 * @param mixed $offset
	 */
	public function offsetUnset($offset) {
		$this->remove($offset);
	}

	/**
	 * Close the session and release the lock
	 */
	public function close() {
		$this->sessionClosed = true;
	}
}