Emitter::createChain() - Code Metrics - Inspection of "Removing some done TODOs" - acairns/radiate - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 756481...5cbf4f )

by Andrew

created 2016-07-23 18:27 UTC

Emitter::createChain() A

↳ Parent: Emitter

Complexity

Conditions	3
Paths	3

Size

Total Lines	18
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	3

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	18
ccs	10
cts	10
cp	1
rs	9.4285
cc	3
eloc	8
nc	3
nop	1
crap	3

<?php namespace Cairns\Radiate;

use Cairns\Radiate\Middleware\Middleware;
use Cairns\Radiate\Middleware\InvalidMiddlewareException;

final class Emitter
{
    /**
     * @var callable
     */
    private $pipeline;

    /**
     * @param Middleware[] $middleware
     */
    public function __construct($middleware)
    {
        $this->pipeline = $this->createChain($middleware);
    }

    /**
     * @param $event
     * @return mixed
     */
    public function emit($event)
    {
        $pipeline = $this->pipeline;

        return $pipeline($event);
    }

    /**
     * @param Middleware[] $middleware
     * @return callable
     */
    private function createChain($middleware)
    {
        $last = function () {
            // nothing
        };

        while ($link = array_pop($middleware)) {
            if (! $link instanceof Middleware) {
                throw new InvalidMiddlewareException('Shitballs!');
            }

            $last = function ($event) use ($link, $last) {
                return $link->execute($event, $last);
            };
        }

        return $last;
    }
}


1		<?php namespace Cairns\Radiate;
2
3		use Cairns\Radiate\Middleware\Middleware;
4		use Cairns\Radiate\Middleware\InvalidMiddlewareException;
5
6		final class Emitter
7		{
8		/**
9		* @var callable
10		*/
11		private $pipeline;
12
13		/**
14		* @param Middleware[] $middleware
15		*/
16	2	public function __construct($middleware)
17		{
18	2	$this->pipeline = $this->createChain($middleware);
19	1	}
20
21		/**
22		* @param $event
23		* @return mixed
24		*/
25	1	public function emit($event)
26		{
27	1	$pipeline = $this->pipeline;
28
29	1	return $pipeline($event);
30		}
31
32		/**
33		* @param Middleware[] $middleware
34		* @return callable
35		*/
36	2	private function createChain($middleware)
37		{
38		$last = function () {
39		// nothing
40	2	};
41
42	2	while ($link = array_pop($middleware)) {
43	2	if (! $link instanceof Middleware) {
44	1	throw new InvalidMiddlewareException('Shitballs!');
45		}
46
47	1	$last = function ($event) use ($link, $last) {
48	1	return $link->execute($event, $last);
49	1	};
50	1	}
51
52	1	return $last;
53		}
54		}
55

acairns / radiate

Push — master ( 756481...5cbf4f )

Emitter::createChain() A

Complexity

Size

Duplication

Code Coverage

Importance

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