NullSelectSpecificData.php

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<?php

declare(strict_types=1);

namespace ILIAS\AdvancedMetaData\Data\FieldDefinition\TypeSpecificData\Select;

use ILIAS\AdvancedMetaData\Data\FieldDefinition\Type;

class NullSelectSpecificData implements SelectSpecificData
{
    public function hasOptions(): bool
    {
        return false;
    }

    public function isPersisted(): bool
    {
        return false;
    }

    public function containsChanges(): bool
    {
        return false;
    }

    public function getOptions(): \Generator
    {
        yield from [];
    }

    public function getOption(int $option_id): ?Option
    {
        return null;
    }

    public function removeOption(int $option_id): void
    {
    }

    public function addOption(): Option
    {
        return new NullOption();
    }

    public function isTypeSupported(Type $type): bool
    {
        return false;
    }

    public function fieldID(): ?int
    {
        return null;
    }
}