org.apache.commons.jexl.parser
Class ASTSubtractNode

java.lang.Object
  |
  +--org.apache.commons.jexl.parser.SimpleNode
        |
        +--org.apache.commons.jexl.parser.ASTSubtractNode
All Implemented Interfaces:
Node

public class ASTSubtractNode
extends SimpleNode

Subtraction.

Version:
$Id: ASTSubtractNode.java 398325 2006-04-30 12:34:29Z dion $

Fields inherited from class org.apache.commons.jexl.parser.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTSubtractNode(int id)
          Create the node given an id.
ASTSubtractNode(Parser p, int id)
          Create a node with the given parser and id.
 
Method Summary
 Object jjtAccept(ParserVisitor visitor, Object data)
          {@inheritDoc}
 Object value(JexlContext context)
          {@inheritDoc}
 
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

ASTSubtractNode

public ASTSubtractNode(int id)
Create the node given an id.
Parameters:
id - node id.

ASTSubtractNode

public ASTSubtractNode(Parser p,
                       int id)
Create a node with the given parser and id.
Parameters:
p - a parser.
id - node id.
Method Detail

value

public Object value(JexlContext context)
             throws Exception
{@inheritDoc}
Overrides:
value in class SimpleNode
Following copied from class: org.apache.commons.jexl.parser.SimpleNode
Parameters:
context - the context to retrieve values from.
Returns:
the value of the node.
Throws:
Exception - when evaluating the operands fails.

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)
{@inheritDoc}
Overrides:
jjtAccept in class SimpleNode
Following copied from class: org.apache.commons.jexl.parser.SimpleNode
Parameters:
visitor - a ParserVisitor.
data - data to be passed along to the visitor.
Returns:
the value from visiting.
See Also:
ParserVisitor.visit(org.apache.commons.jexl.parser.SimpleNode, java.lang.Object)


Copyright © 2003-2006 The Apache Software Foundation. All Rights Reserved.