|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Part of the Joomla Framework Cache Package |
|
4
|
|
|
* |
|
5
|
|
|
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved. |
|
6
|
|
|
* @license GNU General Public License version 2 or later; see LICENSE |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
namespace Joomla\Cache; |
|
10
|
|
|
|
|
11
|
|
|
use Psr\Cache\CacheItemInterface; |
|
12
|
|
|
use Joomla\Cache\Item\Item; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Runtime memory cache driver. |
|
16
|
|
|
* |
|
17
|
|
|
* @since 1.0 |
|
18
|
|
|
*/ |
|
19
|
|
|
class Runtime extends Cache |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* @var \ArrayObject Database of cached items, we use ArrayObject so it can be easily |
|
23
|
|
|
* passed by reference |
|
24
|
|
|
* |
|
25
|
|
|
* @since 2.0 |
|
26
|
|
|
*/ |
|
27
|
|
|
private $db; |
|
28
|
|
|
|
|
29
|
|
|
/** |
|
30
|
|
|
* Constructor. |
|
31
|
|
|
* |
|
32
|
|
|
* @param mixed $options An options array, or an object that implements \ArrayAccess |
|
33
|
|
|
* |
|
34
|
|
|
* @since 2.0 |
|
35
|
|
|
* @throws \RuntimeException |
|
36
|
|
|
*/ |
|
37
|
|
|
public function __construct($options = array()) |
|
38
|
|
|
{ |
|
39
|
|
|
parent::__construct($options); |
|
40
|
|
|
$this->db = new \ArrayObject; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* This will wipe out the entire cache's keys |
|
45
|
|
|
* |
|
46
|
|
|
* @return boolean The result of the clear operation. |
|
47
|
|
|
* |
|
48
|
|
|
* @since 1.0 |
|
49
|
|
|
*/ |
|
50
|
|
|
public function clear() |
|
51
|
|
|
{ |
|
52
|
|
|
// Replace the db with a new blank array |
|
53
|
|
|
$clearData = $this->db->exchangeArray(array()); |
|
54
|
|
|
unset($clearData); |
|
55
|
|
|
|
|
56
|
|
|
return true; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Method to get a storage entry value from a key. |
|
61
|
|
|
* |
|
62
|
|
|
* @param string $key The storage entry identifier. |
|
63
|
|
|
* |
|
64
|
|
|
* @return CacheItemInterface |
|
65
|
|
|
* |
|
66
|
|
|
* @since 1.0 |
|
67
|
|
|
*/ |
|
68
|
|
|
public function getItem($key) |
|
69
|
|
|
{ |
|
70
|
|
|
$item = new Item($key); |
|
71
|
|
|
|
|
72
|
|
|
if ($this->hasItem($key)) |
|
73
|
|
|
{ |
|
74
|
|
|
$item->set($this->db[$key]); |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
return $item; |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
|
|
* Method to remove a storage entry for a key. |
|
82
|
|
|
* |
|
83
|
|
|
* @param string $key The storage entry identifier. |
|
84
|
|
|
* |
|
85
|
|
|
* @return boolean |
|
86
|
|
|
* |
|
87
|
|
|
* @since 1.0 |
|
88
|
|
|
*/ |
|
89
|
|
|
public function deleteItem($key) |
|
90
|
|
|
{ |
|
91
|
|
|
if ($this->hasItem($key)) |
|
92
|
|
|
{ |
|
93
|
|
|
$newCache = array_diff_key($this->db->getArrayCopy(), array($key => $key)); |
|
94
|
|
|
$this->db->exchangeArray($newCache); |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
return true; |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
/** |
|
101
|
|
|
* Method to set a value for a storage entry. |
|
102
|
|
|
* |
|
103
|
|
|
* @param CacheItemInterface $item The cache item to save. |
|
104
|
|
|
* |
|
105
|
|
|
* @return boolean |
|
106
|
|
|
* |
|
107
|
|
|
* @since 1.0 |
|
108
|
|
|
*/ |
|
109
|
|
|
public function save(CacheItemInterface $item) |
|
110
|
|
|
{ |
|
111
|
|
|
$this->db[$item->getKey()] = $item->get(); |
|
112
|
|
|
|
|
113
|
|
|
return true; |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
/** |
|
117
|
|
|
* Method to determine whether a storage entry has been set for a key. |
|
118
|
|
|
* |
|
119
|
|
|
* @param string $key The storage entry identifier. |
|
120
|
|
|
* |
|
121
|
|
|
* @return boolean |
|
122
|
|
|
* |
|
123
|
|
|
* @since 1.0 |
|
124
|
|
|
*/ |
|
125
|
|
|
public function hasItem($key) |
|
126
|
|
|
{ |
|
127
|
|
|
return array_key_exists($key, $this->db); |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* Test to see if the CacheItemPoolInterface is available |
|
132
|
|
|
* |
|
133
|
|
|
* @return boolean True on success, false otherwise |
|
134
|
|
|
* |
|
135
|
|
|
* @since __DEPLOY_VERSION__ |
|
136
|
|
|
*/ |
|
137
|
|
|
public static function isSupported() |
|
138
|
|
|
{ |
|
139
|
|
|
return true; |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
|
joomla-framework /
cache
