|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Phossa Project |
|
4
|
|
|
* |
|
5
|
|
|
* PHP version 5.4 |
|
6
|
|
|
* |
|
7
|
|
|
* @category Library |
|
8
|
|
|
* @package Phossa2\Shared |
|
9
|
|
|
* @copyright Copyright (c) 2016 phossa.com |
|
10
|
|
|
* @license http://mit-license.org/ MIT License |
|
11
|
|
|
* @link http://www.phossa.com/ |
|
12
|
|
|
*/ |
|
13
|
|
|
/*# declare(strict_types=1); */ |
|
14
|
|
|
|
|
15
|
|
|
namespace Phossa2\Shared\Message\Loader; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* LoaderAwareTrait |
|
19
|
|
|
* |
|
20
|
|
|
* One implementation of `LoaderAwareInterface` |
|
21
|
|
|
* |
|
22
|
|
|
* @package Phossa2\Shared |
|
23
|
|
|
* @author Hong Zhang <[email protected]> |
|
24
|
|
|
* @see LoaderAwareInterface |
|
25
|
|
|
* @version 2.0.0 |
|
26
|
|
|
* @since 2.0.0 added |
|
27
|
|
|
*/ |
|
28
|
|
|
trait LoaderAwareTrait |
|
29
|
|
|
{ |
|
30
|
|
|
/** |
|
31
|
|
|
* Message loaders pool, [ classname => $loader ] |
|
32
|
|
|
* |
|
33
|
|
|
* @var LoaderInterface[] |
|
34
|
|
|
* @access private |
|
35
|
|
|
*/ |
|
36
|
|
|
private static $loaders = []; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* loader update indicator |
|
40
|
|
|
* |
|
41
|
|
|
* @var bool |
|
42
|
|
|
* @access private |
|
43
|
|
|
*/ |
|
44
|
|
|
private static $updated = false; |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* Set/replace loader for current message class (static bind) |
|
48
|
|
|
* |
|
49
|
|
|
* @param LoaderInterface $loader the mapping loader |
|
50
|
|
|
* @access public |
|
51
|
|
|
* @api |
|
52
|
|
|
*/ |
|
53
|
|
|
public static function setLoader( |
|
54
|
|
|
LoaderInterface $loader |
|
55
|
|
|
) { |
|
56
|
|
|
// set loader for current class |
|
57
|
|
|
self::$loaders[get_called_class()] = $loader; |
|
58
|
|
|
|
|
59
|
|
|
// update indicator |
|
60
|
|
|
static::setStatus(); |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* Unset loader for calling message class |
|
65
|
|
|
* |
|
66
|
|
|
* if $search is true, search upwards in the inheritance tree |
|
67
|
|
|
* |
|
68
|
|
|
* @param bool $search search upwards |
|
69
|
|
|
* @access public |
|
70
|
|
|
*/ |
|
71
|
|
|
public static function unsetLoader(/*# bool */ $search = false) |
|
72
|
|
|
{ |
|
73
|
|
|
$class = static::hasLoader($search); |
|
74
|
|
|
if (false !== $class) { |
|
75
|
|
|
// unset loader for current class |
|
76
|
|
|
unset(self::$loaders[$class]); |
|
77
|
|
|
|
|
78
|
|
|
// update indicator |
|
79
|
|
|
static::setStatus(); |
|
80
|
|
|
} |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* Get loader for current message class (static bind) |
|
85
|
|
|
* |
|
86
|
|
|
* use `hasLoader()` before this method ! |
|
87
|
|
|
* |
|
88
|
|
|
* @return LoaderInterface |
|
89
|
|
|
* @access protected |
|
90
|
|
|
*/ |
|
91
|
|
|
protected static function getLoader()/*# : LoaderInterface */ |
|
92
|
|
|
{ |
|
93
|
|
|
return self::$loaders[get_called_class()]; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Check loader for calling message class (static bind) |
|
98
|
|
|
* |
|
99
|
|
|
* if $search is true, search upwards in inhertiant tree for loader |
|
100
|
|
|
* if current class has no loader set |
|
101
|
|
|
* |
|
102
|
|
|
* @param bool $search search upwards |
|
103
|
|
|
* @return false|string false or classname for which has loader |
|
104
|
|
|
* @access protected |
|
105
|
|
|
*/ |
|
106
|
|
|
protected static function hasLoader( |
|
107
|
|
|
/*# bool */ $search = false |
|
108
|
|
|
) { |
|
109
|
|
|
$class = get_called_class(); |
|
110
|
|
|
|
|
111
|
|
|
if (isset(self::$loaders[$class])) { |
|
112
|
|
|
return $class; |
|
113
|
|
|
} elseif (__CLASS__ === $class) { |
|
114
|
|
|
return false; |
|
115
|
|
|
} elseif ($search) { |
|
116
|
|
|
$parent = get_parent_class($class); |
|
117
|
|
|
return $parent::hasLoader(true); |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
return false; |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
/** |
|
124
|
|
|
* Set updated indicator |
|
125
|
|
|
* |
|
126
|
|
|
* @param bool $status updated status |
|
127
|
|
|
* @access protected |
|
128
|
|
|
*/ |
|
129
|
|
|
protected static function setStatus( |
|
130
|
|
|
/*# bool */ $status = true |
|
131
|
|
|
) { |
|
132
|
|
|
self::$updated = $status; |
|
133
|
|
|
} |
|
134
|
|
|
|
|
135
|
|
|
/** |
|
136
|
|
|
* Get updated indicator |
|
137
|
|
|
* |
|
138
|
|
|
* @return bool |
|
139
|
|
|
* @access protected |
|
140
|
|
|
*/ |
|
141
|
|
|
protected static function isStatusUpdated()/*: bool */ |
|
142
|
|
|
{ |
|
143
|
|
|
return self::$updated; |
|
144
|
|
|
} |
|
145
|
|
|
} |
|
146
|
|
|
|
phossa2 /
shared
