ImmutableEventDispatcher.php
2.2 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\EventDispatcher;
/**
* A read-only proxy for an event dispatcher.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ImmutableEventDispatcher implements EventDispatcherInterface
{
private $dispatcher;
public function __construct(EventDispatcherInterface $dispatcher)
{
$this->dispatcher = $dispatcher;
}
/**
* {@inheritdoc}
*/
public function dispatch(object $event, string $eventName = null): object
{
return $this->dispatcher->dispatch($event, $eventName);
}
/**
* {@inheritdoc}
*/
public function addListener(string $eventName, $listener, int $priority = 0)
{
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
}
/**
* {@inheritdoc}
*/
public function addSubscriber(EventSubscriberInterface $subscriber)
{
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
}
/**
* {@inheritdoc}
*/
public function removeListener(string $eventName, $listener)
{
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
}
/**
* {@inheritdoc}
*/
public function removeSubscriber(EventSubscriberInterface $subscriber)
{
throw new \BadMethodCallException('Unmodifiable event dispatchers must not be modified.');
}
/**
* {@inheritdoc}
*/
public function getListeners(string $eventName = null)
{
return $this->dispatcher->getListeners($eventName);
}
/**
* {@inheritdoc}
*/
public function getListenerPriority(string $eventName, $listener)
{
return $this->dispatcher->getListenerPriority($eventName, $listener);
}
/**
* {@inheritdoc}
*/
public function hasListeners(string $eventName = null)
{
return $this->dispatcher->hasListeners($eventName);
}
}