org.apache.velocity.runtime.parser.node
Class ASTSubtractNode

java.lang.Object
  org.apache.velocity.runtime.parser.node.SimpleNode
      org.apache.velocity.runtime.parser.node.ASTSubtractNode

All Implemented Interfaces:

Node

public class ASTSubtractNode
extends SimpleNode

Handles subtraction of nodes (in #set() )

Please look at the Parser.jjt file which is what controls the generation of this class.

Version:

$Id: ASTSubtractNode.java 160997 2005-04-12 01:17:07Z wglass $

Author:

Will Glass-Husain, Peter Romianowski, Jason van Zyl, Geir Magnusson Jr.

Field Summary

Fields inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

children, first, id, info, invalid, last, parent, parser, rsvc, state

Constructor Summary

ASTSubtractNode(int id)

ASTSubtractNode(Parser p, int id)

Method Summary

Object	jjtAccept(ParserVisitor visitor, Object data) Accept the visitor.
Object	value(InternalContextAdapter context) computes the value of the subtraction.

Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getLocation, getLocation, getType, init, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, render, setFirstToken, setInfo, setInvalid, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ASTSubtractNode

public ASTSubtractNode(int id)

ASTSubtractNode

public ASTSubtractNode(Parser p,
                       int id)

Method Detail

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)

Accept the visitor.

Specified by:

jjtAccept in interface Node

Overrides:

jjtAccept in class SimpleNode

value

public Object value(InternalContextAdapter context)
             throws MethodInvocationException

computes the value of the subtraction.

Specified by:

value in interface Node

Overrides:

value in class SimpleNode

Returns:

result or null

Throws:

MethodInvocationException