SnapshottingBehaviour::reconstituteFromSnapshotAndEvents() - Code Metrics - Inspection of "Merge pull request #66 from EventSaucePHP/develop" - EventSaucePHP/EventSauce - Measure and Improve Code Quality continuously with Scrutinizer

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by Frank

created 2019-10-04 12:57 UTC

reconstituteFromSnapshotAndEvents() A

↳ Parent: SnapshottingBehaviour

Complexity

Conditions	3
Paths	2

Size

Total Lines	14
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	8
CRAP Score	3

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	3
eloc	7
c	2
b	0
f	0
nc	2
nop	2
dl	0
loc	14
ccs	8
cts	8
cp	1
crap	3
rs	10

<?php

declare(strict_types=1);

namespace EventSauce\EventSourcing\Snapshotting;

use EventSauce\EventSourcing\AggregateRoot;
use EventSauce\EventSourcing\AggregateRootId;
use Generator;

trait SnapshottingBehaviour
{
    /**
     * @var int
     */
    private $aggregateRootVersion = 0;

    abstract public function aggregateRootVersion(): int;

    abstract public function aggregateRootId(): AggregateRootId;

    abstract protected function apply(object $event): void;

    public function createSnapshot(): Snapshot
    {
        return new Snapshot($this->aggregateRootId(), $this->aggregateRootVersion(), $this->createSnapshotState());
    }

    abstract protected function createSnapshotState();

    /**
     * @param Snapshot  $snapshot
     * @param Generator $events
     *
     * @return static
     */
    public static function reconstituteFromSnapshotAndEvents(Snapshot $snapshot, Generator $events): AggregateRoot
    {
        $id = $snapshot->aggregateRootId();
        /** @var static&AggregateRoot $aggregateRoot */
        $aggregateRoot = static::reconstituteFromSnapshotState($id, $snapshot->state());
        $aggregateRoot->aggregateRootVersion = $snapshot->aggregateRootVersion();

        foreach ($events as $event) {
            $aggregateRoot->apply($event);
        }

        $aggregateRoot->aggregateRootVersion = $events->getReturn() ?: $aggregateRoot->aggregateRootVersion;

        return $aggregateRoot;
    }

    abstract protected static function reconstituteFromSnapshotState(AggregateRootId $id, $state): AggregateRootWithSnapshotting;
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace EventSauce\EventSourcing\Snapshotting;
6
7		use EventSauce\EventSourcing\AggregateRoot;
8		use EventSauce\EventSourcing\AggregateRootId;
9		use Generator;
10
11		trait SnapshottingBehaviour
12		{
13		/**
14		* @var int
15		*/
16		private $aggregateRootVersion = 0;
17
18		abstract public function aggregateRootVersion(): int;
19
20		abstract public function aggregateRootId(): AggregateRootId;
21
22		abstract protected function apply(object $event): void;
23
24	1	public function createSnapshot(): Snapshot
25		{
26	1	return new Snapshot($this->aggregateRootId(), $this->aggregateRootVersion(), $this->createSnapshotState());
27		}
28
29		abstract protected function createSnapshotState();
30
31		/**
32		* @param Snapshot $snapshot
33		* @param Generator $events
34		*
35		* @return static
36		*/
37	1	public static function reconstituteFromSnapshotAndEvents(Snapshot $snapshot, Generator $events): AggregateRoot
38		{
39	1	$id = $snapshot->aggregateRootId();
40		/** @var static&AggregateRoot $aggregateRoot */
41	1	$aggregateRoot = static::reconstituteFromSnapshotState($id, $snapshot->state());
42	1	$aggregateRoot->aggregateRootVersion = $snapshot->aggregateRootVersion();
43
44	1	foreach ($events as $event) {
45	1	$aggregateRoot->apply($event);
46		}
47
48	1	$aggregateRoot->aggregateRootVersion = $events->getReturn() ?: $aggregateRoot->aggregateRootVersion;
49
50	1	return $aggregateRoot;
51		}
52
53		abstract protected static function reconstituteFromSnapshotState(AggregateRootId $id, $state): AggregateRootWithSnapshotting;
54		}
55

EventSaucePHP / EventSauce

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reconstituteFromSnapshotAndEvents() A

Complexity

Size

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Importance

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