EventManager::isValidListener() - Code Metrics - kschu91/hal - Measure and Improve Code Quality continuously with Scrutinizer

EventManager::isValidListener() A
last analyzed 2016-11-07 11:13 UTC

↳ Parent: EventManager

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	7
ccs	4
cts	4
cp	1
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	1
crap	2

<?php
namespace Aeq\Hal\Event;

use Aeq\Hal\Event\Exception\InvalidListenerException;

class EventManager
{
    /**
     * @var array
     */
    private static $listeners = [];

    /**
     * @param EventInterface $event
     */
    public function trigger(EventInterface $event)
    {
        foreach (self::$listeners as $listener) {
            list($registeredEvent, $registeredListener) = $listener;
            if (get_class($event) === $registeredEvent) {
                call_user_func_array([$registeredListener, 'handle'], [$event]);
            }
        }
    }

    /**
     * @param string $event
     * @param string $listener
     */
    public function listen($event, $listener)
    {
        if (!$this->isValidListener($listener)) {
            throw new InvalidListenerException(
                sprintf('Listener "%s" not valid. Listener should be a POPO object with a "handle" method', $listener),
                1472634731
            );
        }
        self::$listeners[] = [
            $event,
            $listener
        ];
    }

    /**
     * @param string $listener
     * @return bool
     */
    private function isValidListener($listener)
    {
        if (is_callable([$listener, 'handle'])) {
            return true;
        }
        return false;
    }
}


1		<?php
2		namespace Aeq\Hal\Event;
3
4		use Aeq\Hal\Event\Exception\InvalidListenerException;
5
6		class EventManager
7		{
8		/**
9		* @var array
10		*/
11		private static $listeners = [];
12
13		/**
14		* @param EventInterface $event
15		*/
16	1	public function trigger(EventInterface $event)
17		{
18	1	foreach (self::$listeners as $listener) {
19	1	list($registeredEvent, $registeredListener) = $listener;
20	1	if (get_class($event) === $registeredEvent) {
21	1	call_user_func_array([$registeredListener, 'handle'], [$event]);
22	1	}
23	1	}
24	1	}
25
26		/**
27		* @param string $event
28		* @param string $listener
29		*/
30	2	public function listen($event, $listener)
31		{
32	2	if (!$this->isValidListener($listener)) {
33	1	throw new InvalidListenerException(
34	1	sprintf('Listener "%s" not valid. Listener should be a POPO object with a "handle" method', $listener),
35		1472634731
36	1	);
37		}
38	1	self::$listeners[] = [
39	1	$event,
40		$listener
41	1	];
42	1	}
43
44		/**
45		* @param string $listener
46		* @return bool
47		*/
48	2	private function isValidListener($listener)
49		{
50	2	if (is_callable([$listener, 'handle'])) {
51	1	return true;
52		}
53	1	return false;
54		}
55		}
56

kschu91 / hal

EventManager::isValidListener() A last analyzed 2016-11-07 11:13 UTC

Complexity

Size

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EventManager::isValidListener() A
last analyzed 2016-11-07 11:13 UTC