TypeSpecificDataImplementation.php

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<?php

declare(strict_types=1);

namespace ILIAS\AdvancedMetaData\Data\FieldDefinition\TypeSpecificData;

use ILIAS\AdvancedMetaData\Data\FieldDefinition\Type;
use ILIAS\AdvancedMetaData\Data\PersistenceTrackingDataImplementation;

abstract class TypeSpecificDataImplementation extends PersistenceTrackingDataImplementation implements TypeSpecificData
{
    private ?int $field_id;

    public function __construct(?int $field_id = null)
    {
        $this->field_id = $field_id;
    }

    abstract public function isTypeSupported(Type $type): bool;

    final public function fieldID(): ?int
    {
        return $this->field_id;
    }

    public function isPersisted(): bool
    {
        return !is_null($this->fieldID());
    }
}