Sebastian Molenda
156 lines
3.5 KiB
PHP
156 lines
3.5 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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* @copyright Copyright (c) Cake Software Foundation, Inc.
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* (https://github.com/cakephp/migrations/tree/master/LICENSE.txt)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 5.3.0
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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\Schema;
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/**
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* UniqueKey class
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*
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* Models a unique key constraint, and provides methods to set driver specific attributes.
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*/
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class UniqueKey extends Constraint
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{
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/**
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* Constructor
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*
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* @param string $name The name of the constraint.
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* @param array<string> $columns The columns to constraint.
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* @param array<string, int>|null $length The length of the columns, if applicable.
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*/
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public function __construct(
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protected string $name,
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protected array $columns,
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protected ?array $length = null,
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) {
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$this->type = self::UNIQUE;
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}
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/**
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* Sets the constraint columns.
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*
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* @param array<string>|string $columns Columns
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* @return $this
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*/
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public function setColumns(string|array $columns)
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{
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$this->columns = (array)$columns;
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return $this;
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}
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/**
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* Gets the constraint columns.
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*
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* @return ?array<string>
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*/
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public function getColumns(): ?array
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{
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return $this->columns;
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}
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/**
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* Sets the constraint type.
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*
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* @param string $type Type
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* @return $this
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*/
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public function setType(string $type)
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{
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$this->type = $type;
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return $this;
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}
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/**
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* Gets the constraint type.
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*
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* @return string
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*/
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public function getType(): string
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{
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return $this->type;
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}
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/**
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* Sets the constraint name.
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*
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* @param string $name Name
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* @return $this
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*/
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public function setName(string $name)
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{
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$this->name = $name;
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return $this;
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}
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/**
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* Gets the constraint name.
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*
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* @return ?string
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*/
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public function getName(): ?string
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{
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return $this->name;
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}
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/**
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* Sets the constraint length.
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*
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* In MySQL unique constraints can have limit clauses to control the number of
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* characters indexed in text and char columns.
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*
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* @param array<string, int> $length array of length values
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* @return $this
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*/
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public function setLength(array $length)
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{
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$this->length = $length;
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return $this;
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}
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/**
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* Gets the constraint length.
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*
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* Can be an array of column names and lengths under MySQL.
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*
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* @return array<string, int>|null
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*/
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public function getLength(): ?array
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{
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return $this->length;
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}
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/**
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* Converts a constraint to an array that is compatible
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* with the constructor.
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*
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* @return array<string, mixed>
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*/
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public function toArray(): array
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{
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return [
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'name' => $this->name,
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'type' => $this->type,
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'columns' => $this->columns,
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'length' => $this->length,
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];
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}
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}
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