Completed
Push — master ( 19f052...a53983 )
by Daniel
03:36 queued 01:26
created

OneTimeListener::handle()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 8
ccs 6
cts 6
cp 1
rs 9.4285
cc 2
eloc 5
nc 2
nop 2
crap 2
1
<?php
2
/**
3
 * @package event
4
 */
5
6
7
namespace Mleko\Event\Listener;
8
9
10
class OneTimeListener implements \Mleko\Event\Listener
11
{
12
    /** @var \Mleko\Event\Listener */
13
    private $wrappedListener;
14
15
    /** @var bool */
16
    private $fired = false;
17
18
    /**
19
     * OneTimeListener constructor.
20
     * @param \Mleko\Event\Listener $listener
21
     */
22 1
    public function __construct(\Mleko\Event\Listener $listener)
23
    {
24 1
        $this->wrappedListener = $listener;
25 1
    }
26
27 1
    public function handle($event, \Mleko\Event\Meta $meta)
28
    {
29 1
        if (!$this->fired) {
30 1
            $this->fired = true;
31 1
            $this->unsubscribe($meta);
32 1
            $this->wrappedListener->handle($event, $meta);
33
        }
34 1
    }
35
36 1
    private function unsubscribe(\Mleko\Event\Meta $meta)
37
    {
38 1
        $emitter = $meta->getEmitter();
39 1
        if ($emitter instanceof \Mleko\Event\MutableEmitter) {
40 1
            $emitter->removeListener($meta->getMatchedName(), $this);
41
        }
42 1
    }
43
44
45
}
46