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<?php
declare(strict_types=1);
namespace Psi\Component\ObjectAgent\Query;
class Join
{
const INNER_JOIN = 'INNER';
const LEFT_JOIN = 'LEFT';
private static $validTypes = [
self::INNER_JOIN,
self::LEFT_JOIN,
];
/**
* @var string
*/
private $join;
private $type;
private $alias;
public function __construct(string $join, string $alias, string $type = self::INNER_JOIN)
if (!in_array($type, self::$validTypes)) {
throw new \InvalidArgumentException(sprintf(
'Unknown join type "%s". Known joins: "%s"',
$type,
implode('", "', self::$validTypes)
));
}
$this->type = $type;
$this->alias = $alias;
$this->join = $join;
public function getType()
return $this->type;
public function getAlias()
return $this->alias;
public function getJoin()
return $this->join;
psiphp /
object-agent
