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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the AL labs package |
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* |
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* (c) Arnaud Langlade |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Al\ResourceManagement\Domain; |
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use Al\ResourceManagement\Domain\Event\EmployeeFired; |
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use Al\ResourceManagement\Domain\Event\EmployeeHired; |
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use Al\ResourceManagement\Domain\Event\EmployeePromoted; |
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use Ramsey\Uuid\Uuid; |
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use Ramsey\Uuid\UuidInterface; |
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use SimpleBus\Message\Recorder\ContainsRecordedMessages; |
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use SimpleBus\Message\Recorder\PrivateMessageRecorderCapabilities; |
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final class Employee implements EmployeeInterface, ContainsRecordedMessages |
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{ |
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use PrivateMessageRecorderCapabilities; |
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/** @var Uuid */ |
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private $id; |
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/** @var string */ |
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private $name; |
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/** @var string */ |
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private $position; |
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/** @var int */ |
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private $salaryScale; |
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/** @var \DateTimeInterface */ |
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private $firedAt; |
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private function __construct( |
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UuidInterface $identifier, |
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string $name, |
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string $forPosition, |
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int $withSalaryScale, |
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\DateTimeInterface $hiredAt |
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) { |
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$this->id = $identifier; |
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$this->name = $name; |
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$this->position = $forPosition; |
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$this->salaryScale = $withSalaryScale; |
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$this->hiredAt = $hiredAt; |
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$this->firedAt = null; |
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$this->record(new EmployeeHired((string)$this->id, $this->name, $this->position)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function hire( |
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UuidInterface $identifier, |
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string $name, |
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string $forPosition, |
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int $withSalaryScale, |
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\DateTimeInterface $hiredAt |
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) { |
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return new self($identifier, $name, $forPosition, $withSalaryScale, $hiredAt); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function promote(string $toNewPosition, int $withNewSalaryScale) |
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{ |
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$this->position = $toNewPosition; |
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$this->salaryScale = $withNewSalaryScale; |
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$this->record(new EmployeePromoted((string)$this->id, $this->name, $this->position)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function fire(\DateTime $firedAt) |
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{ |
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$this->firedAt = $firedAt; |
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$this->record(new EmployeeFired((string)$this->id, $this->name, $this->position)); |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: