public function register( MW_Observer_Publisher_Interface $p )
	{
		$p->addListener( $this, 'setAddress.after' );
		$p->addListener( $this, 'deleteAddress.after' );
		$p->addListener( $this, 'addProduct.after' );
		$p->addListener( $this, 'deleteProduct.after' );
		$p->addListener( $this, 'addCoupon.after' );
		$p->addListener( $this, 'deleteCoupon.after' );
	}