EventStore\WritableEventCollection

Complexity

Total Complexity

5

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	toStreamData()	0	6	1
A	validateEvents()	0	8	3

<?php
namespace EventStore;

use EventStore\Exception\InvalidWritableEventObjectException;

/**
 * Class WritableEventCollection
 * @package EventStore
 */
final class WritableEventCollection implements WritableToStream
{
    /**
     * @var WritableEvent[]
     */
    private $events = [];

    /**
     * @param array $events
     */
    public function __construct(array $events)
    {
        $this->validateEvents($events);
        $this->events = $events;
    }

    /**
     * @return array
     */
    public function toStreamData()
    {
        return array_map(function (WritableEvent $event) {
            return $event->toStreamData();
        }, $this->events);
    }

    /**
     * @param array $events
     */
    private function validateEvents(array $events)
    {
        foreach ($events as $event) {
            if (!$event instanceof WritableEvent) {
                throw new InvalidWritableEventObjectException();
            }
        }
    }
}