anl.aida.query
Class ASTNumber

java.lang.Object
  extended by anl.aida.query.SimpleNode
      extended by anl.aida.query.ASTNumber
All Implemented Interfaces:
Node

public class ASTNumber
extends SimpleNode


Field Summary
private  double val
           
 
Fields inherited from class anl.aida.query.SimpleNode
children, id, parent, parser
 
Constructor Summary
ASTNumber(int id)
           
ASTNumber(Parser p, int id)
           
 
Method Summary
 double evaluate(Frame source)
          Evaluates this Node and returns a double as a result.
 java.lang.String getCacheKey()
           
 double getVal()
           
 void setFloat(java.lang.String s)
           
 void setInteger(java.lang.String s, int radix)
           
private  void throwError(java.lang.String message)
           
private  void throwError(java.lang.String message, java.lang.Exception ex)
           
 
Methods inherited from class anl.aida.query.SimpleNode
dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

val

private double val
Constructor Detail

ASTNumber

public ASTNumber(int id)

ASTNumber

public ASTNumber(Parser p,
                 int id)
Method Detail

throwError

private void throwError(java.lang.String message)

throwError

private void throwError(java.lang.String message,
                        java.lang.Exception ex)

getVal

public double getVal()

setInteger

public void setInteger(java.lang.String s,
                       int radix)

setFloat

public void setFloat(java.lang.String s)

evaluate

public double evaluate(Frame source)
Description copied from class: SimpleNode
Evaluates this Node and returns a double as a result. Default implementation throws an UnsupportedOperationException.

Specified by:
evaluate in interface Node
Overrides:
evaluate in class SimpleNode
Parameters:
source - the source of any data needed during evaluation
Returns:
the result of the evaulation.

getCacheKey

public java.lang.String getCacheKey()
Specified by:
getCacheKey in interface Node
Overrides:
getCacheKey in class SimpleNode