core:
import edu.neu.ccs.demeter.dj.*;
import java.util.*;

import edu.neu.ccs.demeter.*;
add: class Cd_graph {
  protected Adjacency_Nlist adjacencies;
  public Adjacency_Nlist get_adjacencies() {{ return adjacencies; }}
  public void set_adjacencies(Adjacency_Nlist new_adjacencies)
    {{ adjacencies = new_adjacencies; }}
  public constructor Cd_graph() {{ super(); }}
  public constructor Cd_graph(Adjacency_Nlist adjacencies) {{
    super();
    set_adjacencies(adjacencies);
  }}
  public static Cd_graph parse(java.io.Reader in)
    throws ParseException
  {{ return new Parser(in)._Cd_graph(); }}
  public static Cd_graph parse(java.io.InputStream in)
    throws ParseException
  {{ return new Parser(in)._Cd_graph(); }}
  public static Cd_graph parse(String s) {{
    try { return parse(new java.io.StringReader(s)); }
    catch (ParseException e) {
      throw new RuntimeException(e.toString());
    }
  }}
  void display() {{
    DisplayVisitor v0 = new DisplayVisitor();
    v0.start();
    __trav_display(v0);
    v0.finish();
  }}
{{
   // Returns the Adjacency represented by id.  Returns null if no match is
   // found.
   public Adjacency search(Ident id) {
      TraversalGraph tg = new TraversalGraph(
         "from Cd_graph bypassing ParentList to Adjacency",
         Main.cg
      );
      return (Adjacency) tg.traverse(this, new FindClassVisitor(id));

   }
}}
{{
   // Creates the subclass to superclass edges.
   public void buildParentEdges() {
      TraversalGraph tg = new TraversalGraph(
         "from Cd_graph bypassing ParentList to Adjacency",
         Main.cg
      );
      tg.traverse(this, new BuildParentEdgesVisitor());

   }

   // Flattens the Cd_graph.
   public void flatten() {
      this.buildParentEdges();
      TraversalGraph tg = new TraversalGraph(
         "from Cd_graph to-stop Adjacency",
         Main.cg
      );
      tg.traverse(this, new PullDownVisitor());
   }

}}
{{  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_adjacencies(this, adjacencies);
    adjacencies.universal_trv0(_v_);
    ((UniversalVisitor) _v_).after_adjacencies(this, adjacencies);
    universal_trv0_aft(_v_);
  }
}}
{{  public void __trav_display(DisplayVisitor __v0) {
    __trav_display_Cd_graph_trv(__v0);
  }
}}
{{  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_adjacencies(this, adjacencies);
    adjacencies.__trav_display_Cd_graph_trv(__v0);
    ((UniversalVisitor) __v0).after_adjacencies(this, adjacencies);
    __trav_display_Cd_graph_trv_aft(__v0);
  }
}}
}