AbstractEventHandler::handle() - Code Metrics - Inspection of "support several events on handler" - phpgears/event - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Julián

created 2019-02-23 23:21 UTC

AbstractEventHandler::handle() A

↳ Parent: AbstractEventHandler

Complexity

Conditions	2
Paths	2

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.8666
c	0
b	0
f	0
cc	2
nc	2
nop	1

<?php

/*
 * event (https://github.com/phpgears/event).
 * Event handling.
 *
 * @license MIT
 * @link https://github.com/phpgears/event
 * @author Julián Gutiérrez <[email protected]>
 */

declare(strict_types=1);

namespace Gears\Event;

use Gears\Event\Exception\InvalidEventException;

abstract class AbstractEventHandler implements EventHandler
{
    /**
     * {@inheritdoc}
     *
     * @throws InvalidEventException
     */
    final public function handle(Event $event): void
    {
        if (!$this->isEventSupported($event)) {
            throw new InvalidEventException(\sprintf(
                'Event must be a %s, %s given',
                \implode('or ', $this->getSupportedEventTypes()),
                \get_class($event)
            ));
        }

        $this->handleEvent($event);
    }

    /**
     * Is event supported.
     *
     * @param Event $event
     *
     * @return bool
     */
    private function isEventSupported(Event $event): bool
    {
        $supported = false;

        foreach ($this->getSupportedEventTypes() as $supportedEventType) {
            if (\is_a($event, $supportedEventType)) {
                $supported = true;

                break;
            }
        }

        return $supported;
    }

    /**
     * Get supported event type.
     *
     * @return string[]
     */
    abstract protected function getSupportedEventTypes(): array;

    /**
     * Handle event.
     *
     * @param Event $event
     */
    abstract protected function handleEvent(Event $event): void;
}


1			<?php
2
3			/*
4			* event (https://github.com/phpgears/event).
5			* Event handling.
6			*
7			* @license MIT
8			* @link https://github.com/phpgears/event
9			* @author Julián Gutiérrez <[email protected]>
10			*/
11
12			declare(strict_types=1);
13
14			namespace Gears\Event;
15
16			use Gears\Event\Exception\InvalidEventException;
17
18			abstract class AbstractEventHandler implements EventHandler
19			{
20			/**
21			* {@inheritdoc}
22			*
23			* @throws InvalidEventException
24			*/
25			final public function handle(Event $event): void
26			{
27			if (!$this->isEventSupported($event)) {
28			throw new InvalidEventException(\sprintf(
29			'Event must be a %s, %s given',
30			\implode('or ', $this->getSupportedEventTypes()),
31			\get_class($event)
32			));
33			}
34
35			$this->handleEvent($event);
36			}
37
38			/**
39			* Is event supported.
40			*
41			* @param Event $event
42			*
43			* @return bool
44			*/
45			private function isEventSupported(Event $event): bool
46			{
47			$supported = false;
48
49			foreach ($this->getSupportedEventTypes() as $supportedEventType) {
50			if (\is_a($event, $supportedEventType)) {
51			$supported = true;
52
53			break;
54			}
55			}
56
57			return $supported;
58			}
59
60			/**
61			* Get supported event type.
62			*
63			* @return string[]
64			*/
65			abstract protected function getSupportedEventTypes(): array;
66
67			/**
68			* Handle event.
69			*
70			* @param Event $event
71			*/
72			abstract protected function handleEvent(Event $event): void;
73			}
74

phpgears / event

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AbstractEventHandler::handle() A

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