function getIdentity() {
		if (!isset($this->identity)) {
			$this->identity = new Table\Identity($this);
		}
		return $this->identity;
	}
function getIdentity() {
		if (!isset($this->identity)) {
			$this->identity = new Table\Identity($this);
		}
		return $this->identity;
	}
function getIdentity ( ) { if ( ! isset ( $ this -> identity ) ) { $ this -> identity = new Table \ Identity ( $ this ) ; } return $ this -> identity ; }
Get the primary key
@return \pq\Gateway\Table\Identity
Get the primary key