1: <?php
2:
3: /**
4: * This file is part of the Nette Framework.
5: *
6: * Copyright (c) 2004, 2010 David Grudl (http://davidgrudl.com)
7: *
8: * This source file is subject to the "Nette license", and/or
9: * GPL license. For more information please see http://nette.org
10: */
11:
12: namespace Nette\Caching;
13:
14: use Nette;
15:
16:
17:
18: /**
19: * Memory cache storage.
20: *
21: * @author David Grudl
22: */
23: class MemoryStorage extends Nette\Object implements ICacheStorage
24: {
25: /** @var array */
26: private $data = array();
27:
28:
29:
30: /**
31: * Read from cache.
32: * @param string key
33: * @return mixed|NULL
34: */
35: public function read($key)
36: {
37: return isset($this->data[$key]) ? $this->data[$key] : NULL;
38: }
39:
40:
41:
42: /**
43: * Writes item into the cache.
44: * @param string key
45: * @param mixed data
46: * @param array dependencies
47: * @return void
48: */
49: public function write($key, $data, array $dp)
50: {
51: $this->data[$key] = $data;
52: }
53:
54:
55:
56: /**
57: * Removes item from the cache.
58: * @param string key
59: * @return void
60: */
61: public function remove($key)
62: {
63: unset($this->data[$key]);
64: }
65:
66:
67:
68: /**
69: * Removes items from the cache by conditions & garbage collector.
70: * @param array conditions
71: * @return void
72: */
73: public function clean(array $conds)
74: {
75: if (!empty($conds[Cache::ALL])) {
76: $this->data = array();
77: }
78: }
79:
80: }
81: