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<?php
/**
* Bitrix Framework
* @package bitrix
* @subpackage main
* @copyright 2001-2012 Bitrix
*/
namespace Bitrix\Main\Entity;
/**
* Reference field describes relation 1-to-1 or 1-to-many between two entities
* @package bitrix
* @subpackage main
*/
class ReferenceField extends Field
{
protected $refEntity;
protected $refEntityName;
protected $reference;
protected $join_type = 'LEFT';
public function __construct($name, Base $entity, $refEntityName, $reference, $parameters = array())
{
parent::__construct($name, $parameters['data_type'], $entity);
$this->refEntityName = $refEntityName;
$this->reference = $reference;
if (isset($parameters['join_type']))
{
$join_type = strtoupper($parameters['join_type']);
if (in_array($join_type, array('LEFT', 'INNER', 'RIGHT'), true))
{
$this->join_type = $join_type;
}
}
}
public function validateValue($value, $row, Result $result)
{
throw new Exception('Reference field doesn\'t support value set up and validation.');
}
public function getRefEntity()
{
if ($this->refEntity === null)
{
$this->refEntity = Base::getInstance($this->refEntityName);
}
return $this->refEntity;
}
public function getReference()
{
return $this->reference;
}
public function getJoinType()
{
return $this->join_type;
}
}