org.apache.commons.jexl.parser
Class ASTEmptyFunction

java.lang.Object
  extended byorg.apache.commons.jexl.parser.SimpleNode
      extended byorg.apache.commons.jexl.parser.ASTEmptyFunction
All Implemented Interfaces:
Node

public class ASTEmptyFunction
extends SimpleNode

function to see if reference doesn't exist in context

Version:
$Id: ASTEmptyFunction.java,v 1.4 2003/12/30 20:47:53 proyal Exp $
Author:
Geir Magnusson Jr., Tim O'Brien

Field Summary
 
Fields inherited from class org.apache.commons.jexl.parser.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTEmptyFunction(int id)
           
ASTEmptyFunction(Parser p, int id)
           
 
Method Summary
 java.lang.Object jjtAccept(ParserVisitor visitor, java.lang.Object data)
          Accept the visitor.
 java.lang.Object value(JexlContext jc)
          Returns the value of the node.
 
Methods inherited from class org.apache.commons.jexl.parser.SimpleNode
childrenAccept, dump, execute, interpret, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, setValue, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ASTEmptyFunction

public ASTEmptyFunction(int id)

ASTEmptyFunction

public ASTEmptyFunction(Parser p,
                        int id)
Method Detail

jjtAccept

public java.lang.Object jjtAccept(ParserVisitor visitor,
                                  java.lang.Object data)
Accept the visitor.

Specified by:
jjtAccept in interface Node
Overrides:
jjtAccept in class SimpleNode

value

public java.lang.Object value(JexlContext jc)
                       throws java.lang.Exception
Description copied from class: SimpleNode
Returns the value of the node.

Overrides:
value in class SimpleNode
Throws:
java.lang.Exception