wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Repo\Validators;

use ValueValidators\Error;
use Wikibase\DataModel\Entity\EntityId;

/**
 * Represents a violation of a uniqueness constraint.
 *
 * @license GPL-2.0-or-later
 * @author Daniel Kinzler
 */
class UniquenessViolation extends Error {

    /**
     * @var EntityId|null
     */
    private $conflictingEntity;

    /**
     * @see Error::__construct()
     *
     * @param EntityId|null $conflictingEntity The entity causing the conflict, if known
     * @param string $text
     * @param string $code
     * @param mixed[] $params
     */
    public function __construct( ?EntityId $conflictingEntity, $text, $code, array $params ) {
        parent::__construct( $text, Error::SEVERITY_ERROR, null, $code, $params );

        $this->conflictingEntity = $conflictingEntity;
    }

    public function getConflictingEntity(): ?EntityId {
        return $this->conflictingEntity;
    }

}