Sebastian Molenda
85 lines
2.1 KiB
PHP
85 lines
2.1 KiB
PHP
<?php
|
|
declare(strict_types=1);
|
|
|
|
/**
|
|
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
|
|
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
|
|
*
|
|
* Licensed under The MIT License
|
|
* For full copyright and license information, please see the LICENSE.txt
|
|
* Redistributions of files must retain the above copyright notice.
|
|
*
|
|
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
|
|
* @link https://cakephp.org CakePHP(tm) Project
|
|
* @since 5.3.0
|
|
* @license https://opensource.org/licenses/mit-license.php MIT License
|
|
*/
|
|
namespace Cake\Database\Schema;
|
|
|
|
use InvalidArgumentException;
|
|
|
|
/**
|
|
* Check constraint value object
|
|
*
|
|
* Models a check constraint.
|
|
*/
|
|
class CheckConstraint extends Constraint
|
|
{
|
|
protected string $type = self::CHECK;
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* @param string $name Constraint name.
|
|
* @param string $expression The check constraint expression (e.g., "age >= 18")
|
|
*/
|
|
public function __construct(
|
|
protected string $name,
|
|
protected string $expression,
|
|
) {
|
|
}
|
|
|
|
/**
|
|
* Set the check constraint expression.
|
|
*
|
|
* @param string $expression The SQL expression for the check constraint
|
|
* @return $this
|
|
* @throws \InvalidArgumentException
|
|
*/
|
|
public function setExpression(string $expression)
|
|
{
|
|
if (trim($expression) === '') {
|
|
throw new InvalidArgumentException('Check constraint expression cannot be empty');
|
|
}
|
|
|
|
$this->expression = trim($expression);
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Get the check constraint expression.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getExpression(): string
|
|
{
|
|
return $this->expression;
|
|
}
|
|
|
|
/**
|
|
* Converts a constraint to an array that is compatible
|
|
* with the constructor.
|
|
*
|
|
* @return array<string, mixed>
|
|
*/
|
|
public function toArray(): array
|
|
{
|
|
return [
|
|
'name' => $this->name,
|
|
'type' => $this->type,
|
|
'expression' => $this->expression,
|
|
];
|
|
}
|
|
}
|