DomainEventEmitter::assertInstance() - Code Metrics - antidot-framework/event-sourcing - Measure and Improve Code Quality continuously with Scrutinizer

DomainEventEmitter::assertInstance() A
last analyzed 2022-08-31 16:13 UTC

↳ Parent: DomainEventEmitter

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	2
eloc	3
c	1
b	0
f	0
nc	2
nop	0
dl	0
loc	7
ccs	0
cts	4
cp	0
crap	6
rs	10

<?php

declare(strict_types=1);

namespace Antidot\EventSource\Domain\Event;

use Generator;

class DomainEventEmitter
{
    private static ?self $instance = null;
    private EventCollection $events;

    private function __construct()
    {
        $this->resetEvents();
    }

    private function resetEvents(): void
    {
        /** @var EventCollection events */
        $this->events = EventCollection::createEmptyCollection();
    }

    public static function recordThat(AggregateChanged $event): void
    {
        $self = self::assertInstance();
        $self->events->addItem($event);
    }

    public static function emit(): Generator
    {
        $self = self::assertInstance();
        $events = $self->events;
        $self->resetEvents();

        yield from $events;
    }

    private static function assertInstance(): self
    {
        if (null === static::$instance) {

            static::$instance = new self;
        }

        return static::$instance;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Antidot\EventSource\Domain\Event;
6
7			use Generator;
8
9			class DomainEventEmitter
10			{
11			private static ?self $instance = null;
12			private EventCollection $events;
13
14			private function __construct()
15			{
16			$this->resetEvents();
17			}
18
19			private function resetEvents(): void
20			{
21			/** @var EventCollection events */
22			$this->events = EventCollection::createEmptyCollection();
23			}
24
25			public static function recordThat(AggregateChanged $event): void
26			{
27			$self = self::assertInstance();
28			$self->events->addItem($event);
29			}
30
31			public static function emit(): Generator
32			{
33			$self = self::assertInstance();
34			$events = $self->events;
35			$self->resetEvents();
36
37			yield from $events;
38			}
39
40			private static function assertInstance(): self
41			{
42			if (null === static::$instance) {
			0 ignored issues – show Bug introduced 2020-09-06 16:59 UTC by Report Bug Copy Issue Report Since `$instance` is declared private, accessing it with `static` will lead to errors in possible sub-classes; you can either use `self`, or increase the visibility of `$instance` to at least protected. Loading history...
43			static::$instance = new self;
44			}
45
46			return static::$instance;
47			}
48			}
49

antidot-framework / event-sourcing

DomainEventEmitter::assertInstance() A last analyzed 2022-08-31 16:13 UTC

Complexity

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DomainEventEmitter::assertInstance() A
last analyzed 2022-08-31 16:13 UTC