Node

All Known Implementing Classes:: ASTAggregate, ASTAggrElement, ASTAggrElementList, ASTAggrFunc, ASTAnswerSet, ASTAriTerm, ASTArithop, ASTBinop, ASTBody, ASTBodyList, ASTBuiltInAtom, ASTChoice, ASTChoiceElement, ASTChoiceElementList, ASTClingoID, ASTClingoMeta, ASTDlvArithmeticID, ASTDlvID, ASTHead, ASTHeadElementsList, ASTID, ASTLiteral, ASTNAFLiteral, ASTNAFLiteralList, ASTNumber, ASTOpt, ASTOptElement, ASTOptElementList, ASTOptFunc, ASTProgram, ASTQuery, ASTRule, ASTRuleList, ASTString, ASTTerm, ASTTermList, ASTVar, ASTWeight, SimpleNode

public interface Node

node interfdace

Method Summary

Modifier and Type

Method

Description

Object

jjtAccept(ASPParserVisitor visitor, Object data)

Accept the visitor.

void

jjtAddChild(Node n, int i)

This method tells the node to add its argument to the node's list of children.

void

jjtClose()

This method is called after all the child nodes have been added.

Node

jjtGetChild(int i)

This method returns a child node.

int

jjtGetNumChildren()

Return the number of children the node has.

Node

jjtGetParent()

Get parent node

void

jjtOpen()

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

void

jjtSetParent(Node n)

This pair of methods are used to inform the node of its parent.

Method Details
- jjtOpen
  
  void jjtOpen()
  
  This method is called after the node has been made the current node. It indicates that child nodes can now be added to it.
- jjtClose
  
  void jjtClose()
  
  This method is called after all the child nodes have been added.
- jjtSetParent
  
  void jjtSetParent(Node n)
  
  This pair of methods are used to inform the node of its parent.
  
  Parameters:
  
  n - node
- jjtGetParent
  
  Node jjtGetParent()
  
  Get parent node
  
  Returns:
  
  node
- jjtAddChild
  
  void jjtAddChild(Node n, int i)
  
  This method tells the node to add its argument to the node's list of children.
  
  Parameters:
  
  n - node
  
  i - index
- jjtGetChild
  
  Node jjtGetChild(int i)
  
  This method returns a child node. The children are numbered from zero, left to right.
  
  Parameters:
  
  i - index
  
  Returns:
  
  a node
- jjtGetNumChildren
  
  int jjtGetNumChildren()
  
  Return the number of children the node has.
  
  Returns:
  
  num children
- jjtAccept
  
  Object jjtAccept(ASPParserVisitor visitor, Object data)
  
  Accept the visitor.
  
  Parameters:
  
  visitor - parser visitor
  
  data - object
  
  Returns:
  
  a new object