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MydbEvent.php
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53 lines (45 loc) · 1.25 KB
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<?php
/**
* This file is part of the sshilko/php-sql-mydb package.
*
* (c) Sergei Shilko <contact@sshilko.com>
*
* MIT License
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
* @license https://opensource.org/licenses/mit-license.php MIT
*/
declare(strict_types = 1);
namespace sql;
use sql\MydbException\EventException;
abstract class MydbEvent implements MydbEventInterface, MydbEventMetadataInterface
{
/**
* @psalm-return array<array-key, mixed>|null
*/
abstract public function getEventMetadata(): ?array;
/**
* @return array<\sql\MydbListenerInterface>
*/
abstract protected function getListeners(): array;
/**
* @throws \sql\MydbException\EventException
*/
public function notify(): void
{
foreach ($this->getListeners() as $listenerInstance) {
if ($listenerInstance instanceof MydbListenerInterface) {
if (false === $listenerInstance->observe($this)) {
break;
}
} else {
throw new EventException();
}
}
}
public function getEventName(): string
{
return static::class;
}
}