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Completed
Push — master ( 91c2d7...3fa9d7 )
by Simon
31:57 queued 22:39
created

AggregateRoot::getChildren()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4
Code Lines 2

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 4
ccs 2
cts 2
cp 1
rs 10
cc 1
eloc 2
nc 1
nop 0
crap 1
1
<?php
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namespace SmoothPhp\EventSourcing;
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use SmoothPhp\Contracts\EventSourcing\AggregateRoot as AggregateRootInterface;
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use SmoothPhp\Contracts\EventSourcing\Entity as EntityInterface;
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use SmoothPhp\Contracts\EventSourcing\Event;
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use SmoothPhp\Domain\DomainEventStream;
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use SmoothPhp\Domain\DomainMessage;
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use SmoothPhp\Domain\Metadata;
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/**
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 * Class AggregateRoot
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 * @author Simon Bennett <[email protected]>
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 */
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abstract class AggregateRoot implements AggregateRootInterface
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{
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    /**
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     * @var []
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     */
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    private $uncommittedEvents = [];
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    private $playHead = -1;
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    /**
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     * @param Event $event
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     */
27 18
    public function apply(Event $event)
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    {
29 18
        $this->handleRecursively($event);
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31 18
        $this->playHead++;
32 18
        $this->uncommittedEvents[] = DomainMessage::recordNow(
33 18
            $this->getAggregateRootId(),
34 18
            $this->playHead,
35 18
            new Metadata(array()),
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            $event
37 18
        );
38 18
    }
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    /**
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     * Handles event if capable.
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     *
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     * @param $event
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     */
46 24 View Code Duplication
    protected function handle(Event $event)
0 ignored issues
show
Duplication introduced by Simon Bennett
This method seems to be duplicated in your project.

Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.

You can also find more detailed suggestions in the “Code” section of your repository.

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47
    {
48 24
        $method = $this->getApplyMethod($event);
49 24
        if (!method_exists($this, $method)) {
50 18
            return;
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        }
52 6
        $this->$method($event);
53 6
    }
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    /**
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     * @param Event $event
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     */
58 18
    protected function handleRecursively(Event $event)
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    {
60 18
        $this->handle($event);
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62 18
        foreach ($this->getChildren() as $child) {
63 6
            $child->registerAggregateRoot($this);
64 6
            $child->handleRecursively($event);
65 18
        }
66 18
    }
67
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    /**
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     * @param Event $event
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     * @return string
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     */
72 24
    private function getApplyMethod(Event $event)
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    {
74 24
        $classParts = explode('\\', get_class($event));
75
76 24
        return 'apply' . end($classParts);
77
    }
78
79
    /**
80
     * @return DomainEventStream
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     */
82 15
    public function getUncommittedEvents()
83
    {
84 15
        $stream = new DomainEventStream($this->uncommittedEvents);
85
86 15
        $this->uncommittedEvents = [];
87
88 15
        return $stream;
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    }
90
91
    /**
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     * @param DomainEventStream $stream
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     */
94 6
    public function initializeState(DomainEventStream $stream)
95
    {
96 6
        foreach ($stream as $message) {
97 6
            $this->playHead++;
98 6
            $this->handle($message->getPayload());
99 6
        }
100 6
    }
101
102
    /**
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     * @return EntityInterface[] $entity
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     */
105 9
    public function getChildren()
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    {
107 9
        return [];
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    }
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}