import edu.neu.ccs.demeter.dj.*;
import java.util.*;
import edu.neu.ccs.demeter.*;
 class ParentList {
  protected Adjacency_List ps;
  public Adjacency_List get_ps() { return ps;   }
  public void set_ps(Adjacency_List new_ps) { ps = new_ps;   }
  public ParentList() { super();   }
  public ParentList(Adjacency_List ps) {
    super();
    set_ps(ps);
    }
  public static ParentList parse(java.io.Reader in) throws ParseException { return new Parser(in)._ParentList();   }
  public static ParentList parse(java.io.InputStream in) throws ParseException { return new Parser(in)._ParentList();   }
  public static ParentList parse(String s) {
    try { return parse(new java.io.StringReader(s)); }
    catch (ParseException e) {
      throw new RuntimeException(e.toString());
    }
    }
    void universal_trv0_bef(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).before(this);
  }

    void universal_trv0_aft(UniversalVisitor _v_) {
    ((UniversalVisitor) _v_).after(this);
  }

    void universal_trv0(UniversalVisitor _v_) {
    universal_trv0_bef(_v_);
    ((UniversalVisitor) _v_).before_ps(this, ps);
    ps.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_ps(this, ps);
    universal_trv0_aft(_v_);
  }

    void __trav_display_Cd_graph_trv_bef(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).before(this);
  }

    void __trav_display_Cd_graph_trv_aft(DisplayVisitor __v0) {
    ((DisplayVisitor) __v0).after(this);
  }

    void __trav_display_Cd_graph_trv(DisplayVisitor __v0) {
    __trav_display_Cd_graph_trv_bef(__v0);
    ((DisplayVisitor) __v0).before_ps(this, ps);
    ps.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_ps(this, ps);
    __trav_display_Cd_graph_trv_aft(__v0);
  }

}