|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Created by Vitaly Iegorov <[email protected]>. |
|
4
|
|
|
* on 22.01.16 at 23:53 |
|
5
|
|
|
*/ |
|
6
|
|
|
namespace samsonframework\di; |
|
7
|
|
|
|
|
8
|
|
|
use Interop\Container\ContainerInterface; |
|
9
|
|
|
use samsonframework\di\exception\ClassNotFoundException; |
|
10
|
|
|
use samsonframework\di\exception\ContainerException; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Abstract dependency injection container. |
|
14
|
|
|
* |
|
15
|
|
|
* @author Vitaly Iegorov <[email protected]> |
|
16
|
|
|
*/ |
|
17
|
|
|
abstract class AbstractContainer implements ContainerInterface |
|
18
|
|
|
{ |
|
19
|
|
|
/** @var array[string] Collection of alias => class name for alias resolving */ |
|
20
|
|
|
protected $aliases = array(); |
|
21
|
|
|
|
|
22
|
|
|
/** @var array[string] Collection of class name dependencies trees */ |
|
23
|
|
|
protected $dependencies = array(); |
|
24
|
|
|
|
|
25
|
|
|
/** @var ContainerInterface[] Collection of delegated containers */ |
|
26
|
|
|
protected $delegates = array(); |
|
27
|
|
|
|
|
28
|
|
|
/** @var callable Dependency resolving function callable */ |
|
29
|
|
|
protected $logicCallable; |
|
30
|
|
|
|
|
31
|
|
|
|
|
32
|
|
|
/** |
|
33
|
|
|
* Wrapper for calling dependency resolving function. |
|
34
|
|
|
* |
|
35
|
|
|
* @param string $dependency Dependency name |
|
36
|
|
|
* |
|
37
|
|
|
* @return mixed Created instance or null |
|
38
|
|
|
* @throws ContainerException |
|
39
|
|
|
*/ |
|
40
|
|
|
protected function logic($dependency) |
|
41
|
|
|
{ |
|
42
|
|
|
if (!function_exists($this->logicCallable)) { |
|
43
|
|
|
throw new ContainerException('Logic function does not exists'); |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
return call_user_func($this->logicCallable, $dependency); |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
|
|
/** |
|
50
|
|
|
* {@inheritdoc} |
|
51
|
|
|
*/ |
|
52
|
|
|
public function get($dependency) |
|
53
|
|
|
{ |
|
54
|
|
|
// Get pointer from logic |
|
55
|
|
|
$module = $this->logic($dependency); |
|
56
|
|
|
|
|
57
|
|
|
// Try delegate lookup |
|
58
|
|
|
if (null === $module) { |
|
59
|
|
|
foreach ($this->delegates as $delegate) { |
|
60
|
|
|
try { |
|
61
|
|
|
$module = $delegate->get($dependency); |
|
62
|
|
|
} catch (ContainerException $e) { |
|
63
|
|
|
// Catch all delegated exceptions |
|
64
|
|
|
} catch (ClassNotFoundException $e) { |
|
65
|
|
|
// Catch all delegated exceptions |
|
66
|
|
|
} |
|
67
|
|
|
} |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
if (null === $module) { |
|
71
|
|
|
throw new ClassNotFoundException($dependency); |
|
72
|
|
|
} else { |
|
73
|
|
|
return $module; |
|
74
|
|
|
} |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Implementing delegate lookup feature. |
|
79
|
|
|
* If current container cannot resolve entity dependency |
|
80
|
|
|
* resolving process is passed to delegated container. |
|
81
|
|
|
* |
|
82
|
|
|
* @param ContainerInterface $container Container for delegate lookup |
|
83
|
|
|
*/ |
|
84
|
|
|
public function delegate(ContainerInterface $container) |
|
85
|
|
|
{ |
|
86
|
|
|
$this->delegates[] = $container; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* {@inheritdoc} |
|
91
|
|
|
*/ |
|
92
|
|
|
public function has($dependency) |
|
93
|
|
|
{ |
|
94
|
|
|
$found = array_key_exists($dependency, $this->dependencies) |
|
95
|
|
|
|| in_array($dependency, $this->aliases, true); |
|
96
|
|
|
|
|
97
|
|
|
if (!$found) { |
|
98
|
|
|
foreach ($this->delegates as $delegate) { |
|
99
|
|
|
if ($delegate->has($dependency)) { |
|
100
|
|
|
return true; |
|
101
|
|
|
} |
|
102
|
|
|
} |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
return $found; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Set container dependency. |
|
110
|
|
|
* |
|
111
|
|
|
* @param mixed $entity Entity |
|
112
|
|
|
* @param string|null $alias Entity alias for simplier finding |
|
113
|
|
|
* @param array $parameters Collection of additional parameters |
|
114
|
|
|
* |
|
115
|
|
|
* @return self Chaining |
|
116
|
|
|
*/ |
|
117
|
|
|
abstract public function set($entity, $alias = null, array $parameters = array()); |
|
118
|
|
|
} |
|
119
|
|
|
|
samsonframework /
di
