1. /* Generated By:JJTree: Do not edit this line. Node.java */

  2. 

  3. package org.apache.commons.jexl.parser;

  4. 

  5. /* All AST nodes must implement this interface.  It provides basic

  6.    machinery for constructing the parent and child relationships

  7.    between nodes. */

  8. 

  9. public interface Node {

  10. 

  11.   /** This method is called after the node has been made the current

  12.     node.  It indicates that child nodes can now be added to it. */

  13.   public void jjtOpen();

  14. 

  15.   /** This method is called after all the child nodes have been

  16.     added. */

  17.   public void jjtClose();

  18. 

  19.   /** This pair of methods are used to inform the node of its

  20.     parent. */

  21.   public void jjtSetParent(Node n);

  22.   public Node jjtGetParent();

  23. 

  24.   /** This method tells the node to add its argument to the node's

  25.     list of children.  */

  26.   public void jjtAddChild(Node n, int i);

  27. 

  28.   /** This method returns a child node.  The children are numbered

  29.      from zero, left to right. */

  30.   public Node jjtGetChild(int i);

  31. 

  32.   /** Return the number of children the node has. */

  33.   public int jjtGetNumChildren();

  34. 

  35.   /** Accept the visitor. **/

  36.   public Object jjtAccept(ParserVisitor visitor, Object data);

  37. }