pictcode / lib / Cake / Model / Datasource / Session / CacheSession.php @ 1a69c38c
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| 1 | 635eef61 | spyder1211 | <?php
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| 2 | /**
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| 3 | * Cache Session save handler. Allows saving session information into Cache.
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| 4 | *
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| 5 | * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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| 6 | * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 7 | *
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| 8 | * Licensed under The MIT License
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| 9 | * For full copyright and license information, please see the LICENSE.txt
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| 10 | * Redistributions of files must retain the above copyright notice.
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| 11 | *
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| 12 | * @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
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| 13 | * @link http://cakephp.org CakePHP(tm) Project
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| 14 | * @package Cake.Model.Datasource.Session
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| 15 | * @since CakePHP(tm) v 2.0
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| 16 | * @license http://www.opensource.org/licenses/mit-license.php MIT License
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| 17 | */
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| 18 | |||
| 19 | App::uses('Cache', 'Cache'); |
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| 20 | App::uses('CakeSessionHandlerInterface', 'Model/Datasource/Session'); |
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| 21 | |||
| 22 | /**
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| 23 | * CacheSession provides method for saving sessions into a Cache engine. Used with CakeSession
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| 24 | *
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| 25 | * @package Cake.Model.Datasource.Session
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| 26 | * @see CakeSession for configuration information.
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| 27 | */
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| 28 | class CacheSession implements CakeSessionHandlerInterface { |
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| 29 | |||
| 30 | /**
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| 31 | * Method called on open of a database session.
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| 32 | *
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| 33 | * @return bool Success
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| 34 | */
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| 35 | public function open() { |
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| 36 | return true; |
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| 37 | } |
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| 38 | |||
| 39 | /**
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| 40 | * Method called on close of a database session.
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| 41 | *
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| 42 | * @return bool Success
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| 43 | */
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| 44 | public function close() { |
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| 45 | return true; |
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| 46 | } |
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| 47 | |||
| 48 | /**
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| 49 | * Method used to read from a database session.
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| 50 | *
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| 51 | * @param string $id The key of the value to read
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| 52 | * @return mixed The value of the key or false if it does not exist
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| 53 | */
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| 54 | public function read($id) { |
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| 55 | return Cache::read($id, Configure::read('Session.handler.config')); |
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| 56 | } |
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| 57 | |||
| 58 | /**
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| 59 | * Helper function called on write for database sessions.
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| 60 | *
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| 61 | * @param int $id ID that uniquely identifies session in database
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| 62 | * @param mixed $data The value of the data to be saved.
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| 63 | * @return bool True for successful write, false otherwise.
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| 64 | */
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| 65 | public function write($id, $data) { |
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| 66 | return Cache::write($id, $data, Configure::read('Session.handler.config')); |
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| 67 | } |
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| 68 | |||
| 69 | /**
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| 70 | * Method called on the destruction of a database session.
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| 71 | *
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| 72 | * @param int $id ID that uniquely identifies session in cache
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| 73 | * @return bool True for successful delete, false otherwise.
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| 74 | */
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| 75 | public function destroy($id) { |
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| 76 | return Cache::delete($id, Configure::read('Session.handler.config')); |
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| 77 | } |
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| 78 | |||
| 79 | /**
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| 80 | * Helper function called on gc for cache sessions.
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| 81 | *
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| 82 | * @param int $expires Timestamp (defaults to current time)
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| 83 | * @return bool Success
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| 84 | */
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| 85 | public function gc($expires = null) { |
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| 86 | return Cache::gc(Configure::read('Session.handler.config'), $expires); |
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| 87 | } |
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| 88 | |||
| 89 | } |