// This file is automatically generated by Demeter/Java.

EqualVisitor {
  (@
    private java.util.Stack history = new java.util.Stack();
    public EqualVisitor(Object obj) {
      history.push(obj);
    }
  @)

  before -> WebScript, service_list, Service_List (@
    if (is_equal) {
      WebScript obj = (WebScript) history.peek();
      Object temp1 = obj.get_service_list();
      if(temp1==null) { is_equal = false; return; }
      history.push(temp1);
    }
  @)
  after -> WebScript, service_list, Service_List (@
    if (is_equal) history.pop();
  @)

  before WebScript (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before Service (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before Url (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp2 = host.get_url();
    Object temp3 = ((Url) obj).get_url();
    if(temp2 == null && temp3 == null) {}
    else if(temp2 == null ||
            temp3 == null ||
            !temp2.equals(temp3)) { is_equal = false; return; }
  @)

  before -> TimeOut, service, Service (@
    if (is_equal) {
      TimeOut obj = (TimeOut) history.peek();
      Object temp4 = obj.get_service();
      if(temp4==null) { is_equal = false; return; }
      history.push(temp4);
    }
  @)
  after -> TimeOut, service, Service (@
    if (is_equal) history.pop();
  @)

  before TimeOut (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    is_equal = is_equal && host.get_timeout() == ((TimeOut) obj).get_timeout();
  @)

  before -> Repeat, service, Service (@
    if (is_equal) {
      Repeat obj = (Repeat) history.peek();
      Object temp5 = obj.get_service();
      if(temp5==null) { is_equal = false; return; }
      history.push(temp5);
    }
  @)
  after -> Repeat, service, Service (@
    if (is_equal) history.pop();
  @)

  before Repeat (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before -> Alternative, main, Service (@
    if (is_equal) {
      Alternative obj = (Alternative) history.peek();
      Object temp6 = obj.get_main();
      if(temp6==null) { is_equal = false; return; }
      history.push(temp6);
    }
  @)
  after -> Alternative, main, Service (@
    if (is_equal) history.pop();
  @)

  before -> Alternative, alternate, Service (@
    if (is_equal) {
      Alternative obj = (Alternative) history.peek();
      Object temp7 = obj.get_alternate();
      if(temp7==null) { is_equal = false; return; }
      history.push(temp7);
    }
  @)
  after -> Alternative, alternate, Service (@
    if (is_equal) history.pop();
  @)

  before Alternative (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before -> Concurrent, service1, Service (@
    if (is_equal) {
      Concurrent obj = (Concurrent) history.peek();
      Object temp8 = obj.get_service1();
      if(temp8==null) { is_equal = false; return; }
      history.push(temp8);
    }
  @)
  after -> Concurrent, service1, Service (@
    if (is_equal) history.pop();
  @)

  before -> Concurrent, service2, Service (@
    if (is_equal) {
      Concurrent obj = (Concurrent) history.peek();
      Object temp9 = obj.get_service2();
      if(temp9==null) { is_equal = false; return; }
      history.push(temp9);
    }
  @)
  after -> Concurrent, service2, Service (@
    if (is_equal) history.pop();
  @)

  before Concurrent (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before Main (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before PrintVisitor (@
    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();
  @)

  before CopyVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
    Object temp10 = host.get_copy();
    Object temp11 = ((CopyVisitor) obj).get_copy();
    if(temp10 == null && temp11 == null) {}
    else if(temp10 == null ||
            temp11 == null ||
            !temp10.equals(temp11)) { is_equal = false; return; }
  @)

  before SubgraphVisitor (@
    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();
  @)

  before EqualVisitor (@
    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();
  @)

  before DisplayVisitor (@
    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();
  @)

  before TraceVisitor (@
    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();
  @)

  before UniversalVisitor (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before -> Service_List, first, Nonempty_Service_List (@
    if (is_equal) {
      Service_List obj = (Service_List) history.peek();
      Object temp12 = obj.get_first();
      if(temp12==null) { is_equal = false; return; }
      history.push(temp12);
    }
  @)
  after -> Service_List, first, Nonempty_Service_List (@
    if (is_equal) history.pop();
  @)

  before Service_List (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  before -> Nonempty_Service_List, it, Service (@
    if (is_equal) {
      Nonempty_Service_List obj = (Nonempty_Service_List) history.peek();
      Object temp13 = obj.get_it();
      if(temp13==null) { is_equal = false; return; }
      history.push(temp13);
    }
  @)
  after -> Nonempty_Service_List, it, Service (@
    if (is_equal) history.pop();
  @)

  before -> Nonempty_Service_List, next, Nonempty_Service_List (@
    if (is_equal) {
      Nonempty_Service_List obj = (Nonempty_Service_List) history.peek();
      Object temp14 = obj.get_next();
      if(temp14==null) { is_equal = false; return; }
      history.push(temp14);
    }
  @)
  after -> Nonempty_Service_List, next, Nonempty_Service_List (@
    if (is_equal) history.pop();
  @)

  before Nonempty_Service_List (@
    Object obj = history.peek();
    is_equal = is_equal && obj.getClass().equals(host.getClass());
    if(!is_equal) return;
  @)

  return boolean (@ is_equal @)
}