ddb = _ddb; contact = _contact;
return( contact.getAddress());
return( contact );
return( contact.getName());
return( contact.isAlive( timeout ));
return( contact.isOrHasBeenLocal());
return( contact.openTunnel() != null );
return( ddb.read( this, listener, type, key, timeout ));
throw( new DistributedDatabaseException( "not implemented" ));