public UnicastRef(ObjID objid, String host, int port, RMIClientSocketFactory csf) { this(objid); manager = UnicastConnectionManager.getInstance(host, port, csf);
public UnicastRef() {
public UnicastRef(ObjID objid, String host, int port, RMIClientSocketFactory csf) {	this(objid);	manager = UnicastConnectionManager.getInstance(host, port, csf);}