public boolean obsolete(){
  int[] stamp=new int[1];
  boolean undeployed=usage.get(stamp);
  return undeployed && stamp[0] == 0;
}

public boolean obsolete ( ) { int [ ] stamp = new int [ 1 ] ; boolean undeployed = usage . get ( stamp ) ; return undeployed && stamp [ 0 ] == 0 ; }
checks if deployment is obsolete , i . e . is not used and has been undeployed .
