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doctrine2/lib/Doctrine/DBAL/Schema/Index.php

109 lines
2.7 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Schema;
use Doctrine\DBAL\Schema\Visitor\Visitor;
class Index extends AbstractAsset implements Constraint
{
/**
* @var array
*/
protected $_columns;
/**
* @var bool
*/
protected $_isUnique = false;
/**
* @var bool
*/
protected $_isPrimary = false;
/**
* @param string $indexName
* @param array $column
* @param bool $isUnique
* @param bool $isPrimary
*/
public function __construct($indexName, array $columns, $isUnique=false, $isPrimary=false)
{
$isUnique = ($isPrimary)?true:$isUnique;
$this->_setName($indexName);
$this->_isUnique = $isUnique;
$this->_isPrimary = $isPrimary;
foreach($columns AS $column) {
$this->_addColumn($column);
}
}
/**
* @param string $column
*/
protected function _addColumn($column)
{
if(is_string($column)) {
$this->_columns[] = $column;
} else {
throw new \InvalidArgumentException("Expecting a string as Index Column");
}
}
/**
* @return array
*/
public function getColumns()
{
return $this->_columns;
}
/**
* @return bool
*/
public function isUnique()
{
return $this->_isUnique;
}
/**
* @return bool
*/
public function isPrimary()
{
return $this->_isPrimary;
}
/**
* @param string $columnName
* @param int $pos
* @return bool
*/
public function hasColumnAtPosition($columnName, $pos=0)
{
$columnName = strtolower($columnName);
$indexColumns = \array_map('strtolower', $this->getColumns());
return \array_search($columnName, $indexColumns) === $pos;
}
}