|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @author: RunnerLee |
|
4
|
|
|
* @email: [email protected] |
|
5
|
|
|
* @time: 2018-02 |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace Runner\Heshen; |
|
9
|
|
|
|
|
10
|
|
|
use Closure; |
|
11
|
|
|
use Runner\Heshen\Event\Event; |
|
12
|
|
|
use Runner\Heshen\Exceptions\LogicException; |
|
13
|
|
|
use Runner\Heshen\Exceptions\StateNotFoundException; |
|
14
|
|
|
use Runner\Heshen\Exceptions\TransitionNotFoundException; |
|
15
|
|
|
use Runner\Heshen\Support\StateEvents; |
|
16
|
|
|
use Runner\Heshen\Support\Str; |
|
17
|
|
|
use Symfony\Component\EventDispatcher\EventDispatcher; |
|
18
|
|
|
|
|
19
|
|
|
class Blueprint |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* @var State[] |
|
23
|
|
|
*/ |
|
24
|
|
|
protected $states = []; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @var Transition[] |
|
28
|
|
|
*/ |
|
29
|
|
|
protected $transitions = []; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* @var EventDispatcher |
|
33
|
|
|
*/ |
|
34
|
|
|
protected $dispatcher; |
|
35
|
|
|
|
|
36
|
|
|
/** |
|
37
|
|
|
* Blueprint constructor. |
|
38
|
|
|
*/ |
|
39
|
|
|
public function __construct() |
|
40
|
|
|
{ |
|
41
|
|
|
$this->dispatcher = new EventDispatcher(); |
|
42
|
|
|
|
|
43
|
|
|
$this->configure(); |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* @param $name |
|
48
|
|
|
* |
|
49
|
|
|
* @return Transition |
|
50
|
|
|
*/ |
|
51
|
|
|
public function getTransition(string $name): Transition |
|
52
|
|
|
{ |
|
53
|
|
|
if (array_key_exists($name, $this->transitions)) { |
|
54
|
|
|
return $this->transitions[$name]; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
throw new TransitionNotFoundException($name); |
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
/** |
|
61
|
|
|
* @param $name |
|
62
|
|
|
* |
|
63
|
|
|
* @return State |
|
64
|
|
|
*/ |
|
65
|
|
|
public function getState(string $name): State |
|
66
|
|
|
{ |
|
67
|
|
|
if (array_key_exists($name, $this->states)) { |
|
68
|
|
|
return $this->states[$name]; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
throw new StateNotFoundException($name); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
/** |
|
75
|
|
|
* @return EventDispatcher |
|
76
|
|
|
*/ |
|
77
|
|
|
public function getDispatcher(): EventDispatcher |
|
78
|
|
|
{ |
|
79
|
|
|
return $this->dispatcher; |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
/** |
|
83
|
|
|
* @param string $name |
|
84
|
|
|
* @param string $type |
|
85
|
|
|
* |
|
86
|
|
|
* @return Blueprint |
|
87
|
|
|
*/ |
|
88
|
|
|
protected function addState(string $name, string $type): self |
|
89
|
|
|
{ |
|
90
|
|
|
$this->states[$name] = new State($name, $type); |
|
91
|
|
|
|
|
92
|
|
|
return $this; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @param string $name |
|
97
|
|
|
* @param string|array $from |
|
98
|
|
|
* @param string $to |
|
99
|
|
|
* @param null $checker |
|
|
|
|
|
|
100
|
|
|
* |
|
101
|
|
|
* @return $this |
|
102
|
|
|
*/ |
|
103
|
|
|
protected function addTransition(string $name, $from, string $to, $checker = null): self |
|
104
|
|
|
{ |
|
105
|
|
|
$from = (array) $from; |
|
106
|
|
|
$fromStates = array_map(function ($state) { |
|
107
|
|
|
return $this->getState($state); |
|
108
|
|
|
}, $from); |
|
109
|
|
|
$this->transitions[$name] = new Transition( |
|
110
|
|
|
$name, |
|
111
|
|
|
$fromStates, |
|
112
|
|
|
$this->getState($to), |
|
113
|
|
|
$checker |
|
114
|
|
|
); |
|
115
|
|
|
|
|
116
|
|
|
$preMethod = Str::studly("pre{$name}"); |
|
117
|
|
|
$postMethod = Str::studly("post{$name}"); |
|
118
|
|
|
|
|
119
|
|
|
if (method_exists($this, $preMethod)) { |
|
120
|
|
|
$this->dispatcher->addListener( |
|
121
|
|
|
StateEvents::PRE_TRANSITION.$name, |
|
122
|
|
|
$this->eventListener($preMethod) |
|
123
|
|
|
); |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
if (method_exists($this, $postMethod)) { |
|
127
|
|
|
$this->dispatcher->addListener( |
|
128
|
|
|
StateEvents::POST_TRANSITION.$name, |
|
129
|
|
|
$this->eventListener($postMethod) |
|
130
|
|
|
); |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
return $this; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
|
|
/** |
|
137
|
|
|
* @param $method |
|
138
|
|
|
* |
|
139
|
|
|
* @return Closure |
|
140
|
|
|
*/ |
|
141
|
|
|
protected function eventListener($method): Closure |
|
142
|
|
|
{ |
|
143
|
|
|
return function (Event $event) use ($method) { |
|
144
|
|
|
return call_user_func([$this, $method], $event->getStateful(), $event->getParameters()); |
|
145
|
|
|
}; |
|
146
|
|
|
} |
|
147
|
|
|
|
|
148
|
|
|
protected function configure(): void |
|
149
|
|
|
{ |
|
150
|
|
|
throw new LogicException('you must overwrite the configure method in the concrete blueprint class'); |
|
151
|
|
|
} |
|
152
|
|
|
} |
|
153
|
|
|
|
RunnerLee /
heshen
Loading history...