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<?php
declare(strict_types=1);
namespace Cycle\Schema\Renderer\MermaidRenderer\Entity;
final class EntityArrow implements EntityInterface
{
private string $title;
private array $arrows = [];
public const BLOCK = '%s %s %s : %s';
public const NOT_NULLABLE = '||--|{';
public const NULLABLE = '||--o{';
public function __construct(string $title)
$this->title = $title;
}
public function addArrow(string $children, string $relation, bool $isNullable = false): void
$this->arrows[] = [$children, $relation, $isNullable];
public function toString(): string
$arrows = [];
foreach ($this->arrows as $arrow) {
$arrows[] = sprintf(
self::BLOCK,
$this->title,
$arrow[2] ? self::NULLABLE : self::NOT_NULLABLE,
$arrow[0],
$arrow[1]
);
return implode("\n", $arrows);
cycle /
schema-renderer
