NullRevision.php

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<?php declare(strict_types=1);

namespace ILIAS\ResourceStorage\Revision;

use DateTimeImmutable;
use ILIAS\ResourceStorage\Identification\ResourceIdentification;
use ILIAS\ResourceStorage\Information\FileInformation;
use ILIAS\ResourceStorage\Information\Information;

class NullRevision implements Revision
{

    private $identification;

    public function __construct(ResourceIdentification $identification)
    {
        $this->identification = $identification;
    }

    public function getIdentification() : ResourceIdentification
    {
        return $this->identification;
    }

    public function getVersionNumber() : int
    {
        return 0;
    }

    public function getCreationDate() : DateTimeImmutable
    {
        return new DateTimeImmutable();
    }

    public function getInformation() : Information
    {
        return new FileInformation();
    }

    public function setInformation(Information $information)
    {
    }

    public function setUnavailable() : void
    {
        // do nothing
    }

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

    public function getOwnerId() : int
    {
        return 0;
    }

    public function setTitle(string $title) : Revision
    {
        // do nothing
    }

    public function getTitle() : string
    {
        return '';
    }

}