50 lines
1.8 KiB
PHP
50 lines
1.8 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 4.0.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Cake\Database;
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use Cake\Datasource\ConnectionInterface;
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/**
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* Defines the interface for a fixture that needs to manage constraints.
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*
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* If an implementation of `Cake\Datasource\FixtureInterface` also implements
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* this interface, the FixtureManager will use these methods to manage
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* a fixtures constraints.
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*/
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interface ConstraintsInterface
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{
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/**
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* Build and execute SQL queries necessary to create the constraints for the
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* fixture
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*
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* @param \Cake\Datasource\ConnectionInterface $connection An instance of the database
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* into which the constraints will be created.
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* @return bool on success or if there are no constraints to create, or false on failure
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*/
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public function createConstraints(ConnectionInterface $connection): bool;
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/**
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* Build and execute SQL queries necessary to drop the constraints for the
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* fixture
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*
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* @param \Cake\Datasource\ConnectionInterface $connection An instance of the database
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* into which the constraints will be dropped.
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* @return bool on success or if there are no constraints to drop, or false on failure
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*/
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public function dropConstraints(ConnectionInterface $connection): bool;
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}
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