PHP code example of sspat / doctrine-nullable-embeddables

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

sspat / doctrine-nullable-embeddables example snippets

declare(strict_types=1);

class ValueObject
{
    private $value; // Doctrine will set this property to null on hydration

    public function __construct(string $value)
    {
        $this->value = $value;    
    }

    public function __toString() : string
    {
        return $this->value; // This will be null and throw an error
    }
}

declare(strict_types=1);

class ValueObject
{
    private string $value; // Doctrine will try to set this property to null on hydration and an error will be thrown

    public function __construct(string $value)
    {
        $this->value = $value;    
    }

    public function __toString() : string
    {
        return $this->value;
    }
}

declare(strict_types=1);

class ValueObject
{
    private ?string $value;

    public function __construct(string $value)
    {
        if ($value === '') {
            throw new InvalidArgumentException('ValueObject value cannot be an empty string');
        }

        $this->value = $value;    
    }

    public function __toString() : string
    {
        return (string) $this->value; // invariant broken, you will get an empty string     
    }
}

declare(strict_types=1);

interface NullableValueObjectInterface
{
    public function isNull() : bool;
}

class ValueObject implements NullableValueObjectInterface
{
    private ?string $value;

    public function __construct(string $value)
    {
        $this->value = $value;    
    }

    public function isNull() : bool
    {
        return $this->value === null;
    }

    public function __toString() : string
    {
        return $this->value;
    }
}

use Doctrine\Common\EventManager;
use Doctrine\ORM\Events;
use Tarifhaus\Doctrine\ORM\NullableEmbeddableListenerFactory;

$listener = NullableEmbeddableListenerFactory::createWithClosureNullator();
$listener->addMapping('App\Domain\User\Model\UserProfile', 'address');

$evm = new EventManager();
$evm->addEventListener([Events::postLoad], $listener);

declare(strict_types=1);

class Entity
{
    private ?ValueObject $nullableValueObject;

    public function setValueObject(string $value) : void
    {
        $this->nullableValueObject = new ValueObject($value);
    }

    public function getValueObject() : ?ValueObject
    {
        return $this->nullableValueObject;
    }
}

class ValueObject
{
    private string $value;

    public function __construct(string $value)
    {
        $this->value = $value;    
    }

    public function __toString() : string
    {
        return $this->value;    
    }
}