IfNode (Jep with extensions API )

java.lang.Object
- com.singularsys.jep.parser.SimpleNode
- - com.singularsys.extensions.structure.StructureNode
  - - com.singularsys.extensions.structure.IfNode

All Implemented Interfaces:

Node
```
public class IfNode
extends StructureNode
```
A node representing an if statement.

Author:

rich

Nested Class Summary
- Nested classes/interfaces inherited from interface com.singularsys.jep.parser.Node
  Node.HookKey

Field Summary
- Fields inherited from class com.singularsys.jep.parser.SimpleNode
  children, id, keys, parent, vals

Constructor Summary

Constructors
Constructor Description

IfNode(Node condition, Node trueNode, Node falseNode)
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`eval(Evaluator ev)`	Evaluate the statement
`Node`	`getCondition()`
`Node`	`getFalseNode()`
`Node`	`getTrueNode()`
`java.lang.String`	`toString()`

Methods inherited from class com.singularsys.extensions.structure.StructureNode
getName, getOperator, getPFMC, getValue, getVar, testCondition

Methods inherited from class com.singularsys.jep.parser.SimpleNode
childIterator, children, childrenAccept, dump, getHook, getId, hookKeys, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, removeHook, setHook, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - IfNode
```
public IfNode(Node condition,
              Node trueNode,
              Node falseNode)
```
    Constructor
    
    Parameters:
    
    condition - expression giving the condition
    
    trueNode - expression evaluated if true
    
    falseNode - expression evaluated if false, may be null.
- Method Detail
  - getCondition
```
public Node getCondition()
```
  - getFalseNode
```
public Node getFalseNode()
```
  - getTrueNode
```
public Node getTrueNode()
```
  - eval
```
public java.lang.Object eval(Evaluator ev)
                      throws EvaluationException
```
    Evaluate the statement
    
    Specified by:
    
    eval in class StructureNode
    
    Parameters:
    
    ev - The evaluator the Evaluator.eval(com.singularsys.jep.parser.Node) can be used to evaluate children.
    
    Returns:
    
    result trueNode or falseNode or null if condition is true and falseNode is not specified.
    
    Throws:
    
    EvaluationException - if evaluation cannot be performed
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object