@Override public int hashCode(){
  int hash=7;
  hash=29 * hash + Objects.hashCode(this.id);
  hash=29 * hash + Objects.hashCode(this.table);
  hash=29 * hash + Objects.hashCode(this.object);
  return hash;
}

@ Override public int hashCode ( ) { int hash = 7 ; hash = 29 * hash + Objects . hashCode ( this . id ) ; hash = 29 * hash + Objects . hashCode ( this . table ) ; hash = 29 * hash + Objects . hashCode ( this . object ) ; return hash ; }
hash code for this object .
