import EDU.neu.ccs.demeter.*;
 class SubgraphVisitor extends UniversalVisitor {
  protected boolean is_equal =  true ;
  public boolean get_is_equal() { return is_equal;   }
  public void set_is_equal(boolean new_is_equal) { is_equal = new_is_equal;   }
  public SubgraphVisitor() { super();   }
  public SubgraphVisitor(boolean is_equal) {
    super();
    set_is_equal(is_equal);
    }
  
    private java.util.Stack history = new java.util.Stack();
    public SubgraphVisitor(Object obj) {
      history.push(obj);
    }
  
  public void before_width(ShoeOrder source, Width dest) {
    if (is_equal) {
      ShoeOrder obj = (ShoeOrder) history.peek();
      Object temp9 = obj.get_width();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
    }
  public void after_width(ShoeOrder source, Width dest) {
    if (is_equal) history.pop();
    }
  public void before_stores(ShoeOrder source, Store_List dest) {
    if (is_equal) {
      ShoeOrder obj = (ShoeOrder) history.peek();
      Object temp10 = obj.get_stores();
      if(temp10==null) { is_equal = false; return; }
      history.push(temp10);
    }
    }
  public void after_stores(ShoeOrder source, Store_List dest) {
    if (is_equal) history.pop();
    }
  public void before(ShoeOrder host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp1 = host.get_id();
    Object temp2 = ((ShoeOrder) obj).get_id();
    if(temp1 == null && temp2 == null) {}
    else if(temp1 == null ||
            temp2 == null ||
            !temp1.equals(temp2)) { is_equal = false; return; }
    Object temp3 = host.get_style();
    Object temp4 = ((ShoeOrder) obj).get_style();
    if(temp3 == null && temp4 == null) {}
    else if(temp3 == null ||
            temp4 == null ||
            !temp3.equals(temp4)) { is_equal = false; return; }
    Object temp5 = host.get_color();
    Object temp6 = ((ShoeOrder) obj).get_color();
    if(temp5 == null && temp6 == null) {}
    else if(temp5 == null ||
            temp6 == null ||
            !temp5.equals(temp6)) { is_equal = false; return; }
    Object temp7 = host.get_size();
    Object temp8 = ((ShoeOrder) obj).get_size();
    if(temp7 == null && temp8 == null) {}
    else if(temp7 == null ||
            temp8 == null ||
            !temp7.equals(temp8)) { is_equal = false; return; }
    }
  public void before_w(Width source, W dest) {
    if (is_equal) {
      Width obj = (Width) history.peek();
      Object temp11 = obj.get_w();
      if(temp11==null) { is_equal = false; return; }
      history.push(temp11);
    }
    }
  public void after_w(Width source, W dest) {
    if (is_equal) history.pop();
    }
  public void before(Width host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before(W host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before(AA host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before(EE host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before_howManySuchShoes(Store source, Quantity dest) {
    if (is_equal) {
      Store obj = (Store) history.peek();
      Object temp14 = obj.get_howManySuchShoes();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
    }
  public void after_howManySuchShoes(Store source, Quantity dest) {
    if (is_equal) history.pop();
    }
  public void before(Store host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp12 = host.get_name();
    Object temp13 = ((Store) obj).get_name();
    if(temp12 == null && temp13 == null) {}
    else if(temp12 == null ||
            temp13 == null ||
            !temp12.equals(temp13)) { is_equal = false; return; }
    }
  public void before(Quantity host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp15 = host.get_number();
    Object temp16 = ((Quantity) obj).get_number();
    if(temp15 == null && temp16 == null) {}
    else if(temp15 == null ||
            temp16 == null ||
            !temp15.equals(temp16)) { is_equal = false; return; }
    }
  public void before(Main host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before(SummingVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_total() == ((SummingVisitor) obj).get_total();
    }
  public void before(PrintVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((PrintVisitor) obj).get_indent();
    is_equal = is_equal && host.get_needSpace() == ((PrintVisitor) obj).get_needSpace();
    }
  public void before(CopyVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp17 = host.get_copy();
    Object temp18 = ((CopyVisitor) obj).get_copy();
    if(temp17 == null && temp18 == null) {}
    else if(temp17 == null ||
            temp18 == null ||
            !temp17.equals(temp18)) { is_equal = false; return; }
    }
  public void before(SubgraphVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((SubgraphVisitor) obj).get_is_equal();
    }
  public void before(EqualVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_is_equal() == ((EqualVisitor) obj).get_is_equal();
    }
  public void before(DisplayVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((DisplayVisitor) obj).get_indent();
    }
  public void before(TraceVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_indent() == ((TraceVisitor) obj).get_indent();
    }
  public void before(UniversalVisitor host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before_first(Store_List source, Nonempty_Store_List dest) {
    if (is_equal) {
      Store_List obj = (Store_List) history.peek();
      Object temp19 = obj.get_first();
      if(temp19==null) { is_equal = false; return; }
      history.push(temp19);
    }
    }
  public void after_first(Store_List source, Nonempty_Store_List dest) {
    if (is_equal) history.pop();
    }
  public void before(Store_List host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
  public void before_it(Nonempty_Store_List source, Store dest) {
    if (is_equal) {
      Nonempty_Store_List obj = (Nonempty_Store_List) history.peek();
      Object temp20 = obj.get_it();
      if(temp20==null) { is_equal = false; return; }
      history.push(temp20);
    }
    }
  public void after_it(Nonempty_Store_List source, Store dest) {
    if (is_equal) history.pop();
    }
  public void before_next(Nonempty_Store_List source, Nonempty_Store_List dest) {
    if (is_equal) {
      Nonempty_Store_List obj = (Nonempty_Store_List) history.peek();
      Object temp21 = obj.get_next();
      if(temp21==null) { is_equal = false; return; }
      history.push(temp21);
    }
    }
  public void after_next(Nonempty_Store_List source, Nonempty_Store_List dest) {
    if (is_equal) history.pop();
    }
  public void before(Nonempty_Store_List host) {
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    }
   boolean get_return_val() { return is_equal ;   }
    void universal_trv0_bef(UniversalVisitor _v_) {
    super.universal_trv0_bef(_v_);
  }

    void universal_trv0_aft(UniversalVisitor _v_) {
    super.universal_trv0_aft(_v_);
  }

    void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    super.universal_trv0(_v_);
    universal_trv0_aft(_v_);
  }

}