wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Repo\Validators;

use ValueValidators\Result;
use Wikibase\DataModel\Entity\EntityDocument;

/**
 * Validator interface used for validating Entities in a global context.
 * This is used to represent global constraints.
 *
 * @see EntityConstraintProivder
 *
 * @license GPL-2.0-or-later
 * @author Daniel Kinzler
 */
interface EntityValidator {

    /**
     * Validate an entity before saving.
     * This is intended for enforcing "hard" global constraints.
     *
     * @param EntityDocument $entity The entity to validate
     *
     * @return Result The validation result. Errors in the Result object
     *         will typically be instances of UniquenessViolation.
     */
    public function validateEntity( EntityDocument $entity );

}