|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Phossa Project |
|
4
|
|
|
* |
|
5
|
|
|
* PHP version 5.4 |
|
6
|
|
|
* |
|
7
|
|
|
* @category Library |
|
8
|
|
|
* @package Phossa2\Di |
|
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\Di\Traits; |
|
16
|
|
|
|
|
17
|
|
|
use Phossa2\Di\Message\Message; |
|
18
|
|
|
use Phossa2\Di\Resolver\ObjectResolver; |
|
19
|
|
|
use Phossa2\Di\Exception\LogicException; |
|
20
|
|
|
use Phossa2\Di\Interfaces\ScopeInterface; |
|
21
|
|
|
|
|
22
|
|
|
trait ContainerTrait |
|
23
|
|
|
{ |
|
24
|
|
|
use ScopeTrait, FactoryAwareTrait; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* instances pool |
|
28
|
|
|
* |
|
29
|
|
|
* @var object[] |
|
30
|
|
|
* @access protected |
|
31
|
|
|
*/ |
|
32
|
|
|
protected $pool = []; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* for loop detection |
|
36
|
|
|
* |
|
37
|
|
|
* @var array |
|
38
|
|
|
* @access protected |
|
39
|
|
|
*/ |
|
40
|
|
|
protected $loop = []; |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* @var int |
|
44
|
|
|
* @access protected |
|
45
|
|
|
*/ |
|
46
|
|
|
protected $counter = 0; |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* execute init methods defined in 'di.init' node |
|
50
|
|
|
* |
|
51
|
|
|
* @return $this |
|
52
|
|
|
* @throws RuntimeException if anything goes wrong |
|
53
|
|
|
* @access protected |
|
54
|
|
|
*/ |
|
55
|
|
|
protected function initContainer() |
|
56
|
|
|
{ |
|
57
|
|
|
if ($this->getResolver()->hasInSection('', 'init')) { |
|
58
|
|
|
$this->getFactory()->executeMethodBatch( |
|
59
|
|
|
$this->getResolver()->getInSection('', 'init') |
|
60
|
|
|
); |
|
61
|
|
|
} |
|
62
|
|
|
return $this; |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* Get the instance either from the pool or create it |
|
67
|
|
|
* |
|
68
|
|
|
* @param string $id service id with or without the scope |
|
69
|
|
|
* @param array $args arguments for the constructor |
|
70
|
|
|
* @return object |
|
71
|
|
|
* @throws LogicException if instantiation goes wrong |
|
72
|
|
|
* @throws RuntimeException if method execution goes wrong |
|
73
|
|
|
* @access protected |
|
74
|
|
|
*/ |
|
75
|
|
|
protected function getInstance(/*# string */ $id, array $args) |
|
76
|
|
|
{ |
|
77
|
|
|
// get id & scope info |
|
78
|
|
|
list($rawId, $scopedId, $scope) = $this->realScopeInfo($id); |
|
79
|
|
|
|
|
80
|
|
|
// get a new instance if args not empty or in single scope |
|
81
|
|
|
if (!empty($args) || ScopeInterface::SCOPE_SINGLE === $scope) { |
|
82
|
|
|
return $this->createInstance($rawId, $args); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
// if not in the pool, create a new instance |
|
86
|
|
|
if (!isset($this->pool[$scopedId])) { |
|
87
|
|
|
$this->pool[$scopedId] = $this->createInstance($rawId); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
return $this->pool[$scopedId]; |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Full scope info with consideration of ancestor instances |
|
95
|
|
|
* |
|
96
|
|
|
* @param string $id |
|
97
|
|
|
* @return array |
|
98
|
|
|
* @access protected |
|
99
|
|
|
*/ |
|
100
|
|
|
protected function realScopeInfo(/*# string */ $id)/*# : array */ |
|
101
|
|
|
{ |
|
102
|
|
|
list($rawId, $scope) = $this->scopedInfo($id); |
|
103
|
|
|
|
|
104
|
|
|
// special treatment if $scope is a '#service_id' |
|
105
|
|
|
if (isset($this->loop[$scope])) { |
|
106
|
|
|
$scope .= '_' . $this->loop[$scope]; |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
return [$rawId, $this->scopedId($rawId, $scope), $scope]; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* Create the instance with loop detection |
|
114
|
|
|
* |
|
115
|
|
|
* Loop: an instance depends on itself in the creation chain. |
|
116
|
|
|
* |
|
117
|
|
|
* @param string $rawId |
|
118
|
|
|
* @param array $args arguments for the constructor if any |
|
119
|
|
|
* @return object |
|
120
|
|
|
* @throws LogicException if instantiation goes wrong or loop detected |
|
121
|
|
|
* @access protected |
|
122
|
|
|
*/ |
|
123
|
|
|
protected function createInstance(/*# string */ $rawId, array $args = []) |
|
124
|
|
|
{ |
|
125
|
|
|
// conver 'service_id' to '#service_id' |
|
126
|
|
|
$serviceId = ObjectResolver::getServiceId($rawId); |
|
127
|
|
|
|
|
128
|
|
|
if (isset($this->loop[$serviceId])) { |
|
129
|
|
|
// found self in the chain |
|
130
|
|
|
throw new LogicException( |
|
131
|
|
|
Message::get(Message::DI_LOOP_DETECTED, $rawId), |
|
132
|
|
|
Message::DI_LOOP_DETECTED |
|
133
|
|
|
); |
|
134
|
|
|
} else { |
|
135
|
|
|
$this->loop[$serviceId] = ++$this->counter; |
|
136
|
|
|
$obj = $this->getFactory()->createInstance($rawId, $args); |
|
137
|
|
|
unset($this->loop[$serviceId]); |
|
138
|
|
|
return $obj; |
|
139
|
|
|
} |
|
140
|
|
|
} |
|
141
|
|
|
} |
|
142
|
|
|
|
phossa2 /
di
