// interface.beh -- interface method implementations.
// $Id: interface.beh,v 1.5 2002/09/26 06:02:30 dougo Exp $

ClassGraph {
  /** An unmodifiable collection of nodes in the class graph. */
  public Collection getNodes() {{
    return Collections.unmodifiableCollection(getNodeSet());
  }}

  /** The node labeled l in the class graph. */
  public Object getNode(String l) throws NoSuchClassGraphNodeException {{
    if (!getNodeSet().contains(l)) throw new NoSuchClassGraphNodeException(l);
    return l;
  }}

  /** An unmodifiable collection of edges (EdgeI objects) going out of
      node v.  Return an empty collection if there are no outgoing
      edges. */
  public Collection getOutgoingEdges(Object v)
    throws NoSuchClassGraphNodeException
  {{
    if (v == null) throw new NoSuchClassGraphNodeException(v);
    return Collections.unmodifiableCollection(getOutgoingEdgeSet((String) v));
  }}

  /** An unmodifiable collection of edges (EdgeI objects) coming into
      node v.  Return an empty collection if there are no incoming
      edges. */
  public Collection getIncomingEdges(Object v)
    throws NoSuchClassGraphNodeException
  {{
    if (v == null) throw new NoSuchClassGraphNodeException(v);
    return Collections.unmodifiableCollection(getIncomingEdgeSet((String) v));
  }}
}

{ Part, Subclass, Superclass, Interface } {
  /** The source node of the edge. */
  public Object getSource() {{
    return get_def().get_classname().toString();
  }}

  /** The target node of the edge. */
  public Object getTarget() {{
    return get_classname().toString();
  }}
}

Part {
  /** The label of the edge, or null if it has none. */
  public String getLabel() {{
    return get_partname().toString();
  }}

  /** Is the edge a construction (part) edge? */
  public boolean isConstructionEdge() {{
    return true;
  }}

  /** Is the edge an alternation (subclass) edge? */
  public boolean isAlternationEdge() {{
    return false;
  }}

  /** Is the edge an inheritance (superclass) edge? */
  public boolean isInheritanceEdge() {{
    return false;
  }}
}
  
Subclass {
  /** The label of the edge, or null if it has none. */
  public String getLabel() {{
    return null;
  }}

  /** Is the edge a construction (part) edge? */
  public boolean isConstructionEdge() {{
    return false;
  }}

  /** Is the edge an alternation (subclass) edge? */
  public boolean isAlternationEdge() {{
    return true;
  }}

  /** Is the edge an inheritance (superclass) edge? */
  public boolean isInheritanceEdge() {{
    return false;
  }}
}

{ Superclass, Interface } {
  /** The label of the edge, or null if it has none. */
  public String getLabel() {{
    return null;
  }}

  /** Is the edge a construction (part) edge? */
  public boolean isConstructionEdge() {{
    return false;
  }}

  /** Is the edge an alternation (subclass) edge? */
  public boolean isAlternationEdge() {{
    return false;
  }}

  /** Is the edge an inheritance (superclass) edge? */
  public boolean isInheritanceEdge() {{
    return true;
  }}
}