@Override
  boolean validateFree(SegmentKelp segment)
  {
    if (segment == _segment && isSwappable()) {
      PageLeafImpl leaf = null;
      
      if (_leafRef != null) {
        leaf = _leafRef.get();
      }
      
      System.out.println("\nSegment-free failed validation: " + this + " " + segment + " "+ leaf + "\n");
      
      return false;
    }
    
    return true;
  }
@ Override boolean validateFree ( SegmentKelp segment ) { if ( segment == _segment && isSwappable ( ) ) { PageLeafImpl leaf = null ; if ( _leafRef != null ) { leaf = _leafRef . get ( ) ; } System . out . println ( "\nSegment-free failed validation: " + this + " " + segment + " " + leaf + "\n" ) ; return false ; } return true ; }
On a segment free, validate that the page has no references.