com.japisoft.formula.node
Class UnaryOperatorNode

java.lang.Object
  extended bycom.japisoft.formula.node.AbstractNode
      extended bycom.japisoft.formula.node.OperatorNode
          extended bycom.japisoft.formula.node.UnaryOperatorNode

public class UnaryOperatorNode
extends OperatorNode

This operator uses one double operand. Bad type or bad child count will throw an EvaluateException.

Version:
1.0
Author:
(c) 2002-2003 JAPISOFT

Constructor Summary
UnaryOperatorNode()
           
 
Method Summary
 java.lang.Object evaluate(NodeContext ctx)
           
 
Methods inherited from class com.japisoft.formula.node.OperatorNode
getOperator, getPrettyOperator, setOperator
 
Methods inherited from class com.japisoft.formula.node.AbstractNode
addChildNode, dump, getChildAt, getChildCount, getContent, getPos, isLeaf, setContent, setOp, setPos
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

UnaryOperatorNode

public UnaryOperatorNode()
Method Detail

evaluate

public java.lang.Object evaluate(NodeContext ctx)
                          throws EvaluateException
Specified by:
evaluate in class AbstractNode
Throws:
EvaluateException