1<?php 2 3namespace Doctrine\DBAL\Schema; 4 5use Doctrine\DBAL\Platforms\AbstractPlatform; 6 7/** 8 * Marker interface for constraints. 9 */ 10interface Constraint 11{ 12 /** 13 * @return string 14 */ 15 public function getName(); 16 17 /** 18 * @return string 19 */ 20 public function getQuotedName(AbstractPlatform $platform); 21 22 /** 23 * Returns the names of the referencing table columns 24 * the constraint is associated with. 25 * 26 * @return string[] 27 */ 28 public function getColumns(); 29 30 /** 31 * Returns the quoted representation of the column names 32 * the constraint is associated with. 33 * 34 * But only if they were defined with one or a column name 35 * is a keyword reserved by the platform. 36 * Otherwise the plain unquoted value as inserted is returned. 37 * 38 * @param AbstractPlatform $platform The platform to use for quotation. 39 * 40 * @return string[] 41 */ 42 public function getQuotedColumns(AbstractPlatform $platform); 43} 44