init

eeeeee/vendor/cakephp/database/Schema/CheckConstraint.php

@@ -0,0 +1,84 @@
+<?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,
+        ];
+    }
+}