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

java.lang.Object
  extended by org.apache.velocity.runtime.parser.node.SimpleNode
      extended by org.apache.velocity.runtime.parser.node.ASTMathNode
          extended by org.apache.velocity.runtime.parser.node.ASTAddNode
All Implemented Interfaces:
Node, Renderable

public class ASTAddNode
extends ASTMathNode

Handles number addition of nodes.

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

Version:
$Id: ASTAddNode.java 1053541 2010-12-29 06:11:06Z nbubna $
Author:
Will Glass-Husain, Peter Romianowski, Jason van Zyl, Geir Magnusson Jr.

Field Summary
 
Fields inherited from class org.apache.velocity.runtime.parser.node.ASTMathNode
strictMode
 
Fields inherited from class org.apache.velocity.runtime.parser.node.SimpleNode
children, first, id, info, invalid, last, log, parent, parser, rsvc, state, templateName
 
Constructor Summary
ASTAddNode(int id)
           
ASTAddNode(Parser p, int id)
           
 
Method Summary
protected  Object handleSpecial(Object left, Object right, InternalContextAdapter context)
          Extension hook to allow special behavior by subclasses If this method returns a non-null value, that is returned, rather than the result of the math operation.
 Number perform(Number left, Number right, InternalContextAdapter context)
          Performs the math operation represented by this node.
 
Methods inherited from class org.apache.velocity.runtime.parser.node.ASTMathNode
init, jjtAccept, value
 
Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode
childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getLocation, getRuntimeServices, getTemplateName, getType, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, render, setFirstToken, setInfo, setInvalid, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ASTAddNode

public ASTAddNode(int id)
Parameters:
id -

ASTAddNode

public ASTAddNode(Parser p,
                  int id)
Parameters:
p -
id -
Method Detail

handleSpecial

protected Object handleSpecial(Object left,
                               Object right,
                               InternalContextAdapter context)
Description copied from class: ASTMathNode
Extension hook to allow special behavior by subclasses If this method returns a non-null value, that is returned, rather than the result of the math operation.

Overrides:
handleSpecial in class ASTMathNode
See Also:
handleSpecial(java.lang.Object, java.lang.Object, org.apache.velocity.context.InternalContextAdapter)

perform

public Number perform(Number left,
                      Number right,
                      InternalContextAdapter context)
Description copied from class: ASTMathNode
Performs the math operation represented by this node.

Specified by:
perform in class ASTMathNode


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