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\Adapter; |
10
|
|
|
|
11
|
|
|
use Joomla\Cache\AbstractCacheItemPool; |
12
|
|
|
use Joomla\Cache\Item\Item; |
13
|
|
|
use Psr\Cache\CacheItemInterface; |
14
|
|
|
|
15
|
|
|
/** |
16
|
|
|
* Runtime cache only driver for the Joomla Framework. |
17
|
|
|
* |
18
|
|
|
* @since 1.0 |
19
|
|
|
*/ |
20
|
|
|
class None extends AbstractCacheItemPool |
21
|
|
|
{ |
22
|
|
|
/** |
23
|
|
|
* This will wipe out the entire cache's keys |
24
|
|
|
* |
25
|
|
|
* @return boolean The result of the clear operation. |
26
|
|
|
* |
27
|
|
|
* @since 1.0 |
28
|
|
|
*/ |
29
|
12 |
|
public function clear() |
30
|
|
|
{ |
31
|
12 |
|
return true; |
32
|
|
|
} |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* Method to get a storage entry value from a key. |
36
|
|
|
* |
37
|
|
|
* @param string $key The storage entry identifier. |
38
|
|
|
* |
39
|
|
|
* @return CacheItemInterface |
40
|
|
|
* |
41
|
|
|
* @since 1.0 |
42
|
|
|
*/ |
43
|
3 |
|
public function getItem($key) |
44
|
|
|
{ |
45
|
3 |
|
return new Item($key); |
46
|
|
|
} |
47
|
|
|
|
48
|
|
|
/** |
49
|
|
|
* Method to remove a storage entry for a key. |
50
|
|
|
* |
51
|
|
|
* @param string $key The storage entry identifier. |
52
|
|
|
* |
53
|
|
|
* @return boolean |
54
|
|
|
* |
55
|
|
|
* @since 1.0 |
56
|
|
|
*/ |
57
|
2 |
|
public function deleteItem($key) |
58
|
|
|
{ |
59
|
2 |
|
return true; |
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* Persists a cache item immediately. |
64
|
|
|
* |
65
|
|
|
* @param CacheItemInterface $item The cache item to save. |
66
|
|
|
* |
67
|
|
|
* @return static The invoked object. |
68
|
|
|
*/ |
69
|
3 |
|
public function save(CacheItemInterface $item) |
70
|
|
|
{ |
71
|
3 |
|
return true; |
72
|
|
|
} |
73
|
|
|
|
74
|
|
|
/** |
75
|
|
|
* Method to determine whether a storage entry has been set for a key. |
76
|
|
|
* |
77
|
|
|
* @param string $key The storage entry identifier. |
78
|
|
|
* |
79
|
|
|
* @return boolean |
80
|
|
|
* |
81
|
|
|
* @since 1.0 |
82
|
|
|
*/ |
83
|
2 |
|
public function hasItem($key) |
84
|
|
|
{ |
85
|
2 |
|
return false; |
86
|
|
|
} |
87
|
|
|
|
88
|
|
|
/** |
89
|
|
|
* Test to see if the CacheItemPoolInterface is available |
90
|
|
|
* |
91
|
|
|
* @return boolean True on success, false otherwise |
92
|
|
|
* |
93
|
|
|
* @since __DEPLOY_VERSION__ |
94
|
|
|
*/ |
95
|
|
|
public static function isSupported() |
96
|
|
|
{ |
97
|
|
|
return true; |
98
|
|
|
} |
99
|
|
|
} |
100
|
|
|
|