|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace DelayQueue\Container; |
|
4
|
|
|
|
|
5
|
|
|
use Closure; |
|
6
|
|
|
use ArrayAccess; |
|
7
|
|
|
use Psr\Container\ContainerInterface; |
|
8
|
|
|
use DelayQueue\Exception\ServiceNotFoundException; |
|
9
|
|
|
|
|
10
|
|
|
/** |
|
11
|
|
|
* 服务容器 |
|
12
|
|
|
*/ |
|
13
|
|
|
class Container implements ContainerInterface, ArrayAccess |
|
|
|
|
|
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* @var array 服务定义 |
|
17
|
|
|
*/ |
|
18
|
|
|
protected $definitions = []; |
|
19
|
|
|
/** |
|
20
|
|
|
* @var array 已实例化的服务 |
|
21
|
|
|
*/ |
|
22
|
|
|
protected $instances = []; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* 添加服务 |
|
26
|
|
|
* |
|
27
|
|
|
* @param string $id 服务唯一标识 |
|
28
|
|
|
* @param Closure $callback |
|
29
|
|
|
*/ |
|
30
|
|
|
public function set($id, Closure $callback) |
|
31
|
|
|
{ |
|
32
|
|
|
if ($id) { |
|
33
|
|
|
$this->definitions[$id] = $callback; |
|
34
|
|
|
} |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
/** |
|
38
|
|
|
* 查找服务是否存在 |
|
39
|
|
|
* |
|
40
|
|
|
* @param string $id 服务唯一标识 |
|
41
|
|
|
* @return bool |
|
42
|
|
|
*/ |
|
43
|
|
|
public function has($id) |
|
44
|
|
|
{ |
|
45
|
|
|
return isset($this->definitions[$id]); |
|
46
|
|
|
} |
|
47
|
|
|
|
|
48
|
|
|
/** |
|
49
|
|
|
* 获取服务 |
|
50
|
|
|
* |
|
51
|
|
|
* @param string $id 服务唯一标识 |
|
52
|
|
|
* @return mixed |
|
53
|
|
|
* @throws ServiceNotFoundException |
|
54
|
|
|
*/ |
|
55
|
|
|
public function get($id) |
|
56
|
|
|
{ |
|
57
|
|
|
if (isset($this->instances[$id])) { |
|
58
|
|
|
return $this->instances[$id]; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
if (!isset($this->definitions[$id])) { |
|
62
|
|
|
$message = sprintf('service [%s] not exists', $id); |
|
63
|
|
|
throw new ServiceNotFoundException($message); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** @var Closure $callback */ |
|
67
|
|
|
$callback = $this->definitions[$id]; |
|
68
|
|
|
$callback = $callback->bindTo($this); |
|
69
|
|
|
|
|
70
|
|
|
$this->instances[$id] = $callback(); |
|
71
|
|
|
|
|
72
|
|
|
return $this->instances[$id]; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
public function __get($name) |
|
76
|
|
|
{ |
|
77
|
|
|
return $this->get($name); |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
public function __set($name, $value) |
|
81
|
|
|
{ |
|
82
|
|
|
$this->set($name, $value); |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
public function offsetExists($offset) |
|
86
|
|
|
{ |
|
87
|
|
|
return $this->has($offset); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
public function offsetGet($offset) |
|
91
|
|
|
{ |
|
92
|
|
|
return $this->get($offset); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
public function offsetSet($offset, $value) |
|
96
|
|
|
{ |
|
97
|
|
|
$this->set($offset, $value); |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
public function offsetUnset($offset) |
|
101
|
|
|
{ |
|
102
|
|
|
unset($this->definitions[$offset]); |
|
103
|
|
|
unset($this->instances[$offset]); |
|
104
|
|
|
} |
|
105
|
|
|
} |
ouqiang /
delayqueue-php
Loading history...