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Java Source Code / Java Documentation » Library » Apache commons jexl 1.1 src » org.apache.commons.jexl.parser

Source Cross Reference

Class Diagram

Java Document (Java Doc)

org.apache.commons.jexl.parser .Node

All known Subclasses:   org.apache.commons.jexl.parser .SimpleNode,
Node
public interface Node (Code)
All AST nodes must implement this interface. It provides basic machinery for constructing the parent and child relationships between nodes.

Method Summary
Object jjtAccept(ParserVisitor visitor, Object data)
     Accept the visitor.
Parameters:
  data - arbitrary data.
Parameters:
  visitor - 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()
     Gets the number of children the node has. the number of children the node has.
Node jjtGetParent()
     Gets the 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 Detail
jjtAccept
Object jjtAccept(ParserVisitor visitor, Object data)(Code)
Accept the visitor.
Parameters:
  data - arbitrary data.
Parameters:
  visitor - the visitor. the result of the visit.

jjtAddChild
void jjtAddChild(Node n, int i)(Code)
This method tells the node to add its argument to the node's list of children.
Parameters:
  n - the child node to add
Parameters:
  i - the index to add it at.

jjtClose
void jjtClose()(Code)
This method is called after all the child nodes have been added.

jjtGetChild
Node jjtGetChild(int i)(Code)
This method returns a child node. The children are numbered from zero, left to right.
Parameters:
  i - the index of the child to get. the child at the given index.

jjtGetNumChildren
int jjtGetNumChildren()(Code)
Gets the number of children the node has. the number of children the node has.

jjtGetParent
Node jjtGetParent()(Code)
Gets the parent node. the parent to this node.

jjtOpen
void jjtOpen()(Code)
This method is called after the node has been made the current node. It indicates that child nodes can now be added to it.

jjtSetParent
void jjtSetParent(Node n)(Code)
This pair of methods are used to inform the node of its parent.
Parameters:
  n - the parent node.

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