public function addFilter($name, $query = array(), $tag = 'root_type')
	{
		$this->adapter->addFilter($name, $query, $tag);
		return $this;
	}
public function addFilter($name, $query = array(), $tag = 'root_type')
	{
		$this->adapter->addFilter($name, $query, $tag);
		return $this;
	}
public function addFilter ( $ name , $ query = array ( ) , $ tag = 'root_type' ) { $ this -> adapter -> addFilter ( $ name , $ query , $ tag ) ; return $ this ; }
Adds a filter to the query

@param   mixed   $name
@param   array   $query
@param   string  $tag
@return  object
Adds a filter to the query