org.moeaframework.util.tree
Class IfElse

java.lang.Object
  org.moeaframework.util.tree.Node
      org.moeaframework.util.tree.IfElse

public class IfElse
extends Node

The node for executing one of two expressions depending on the result of a boolean expression. The inputs and outputs to this node are shown below:

Name	Type	Description
Argument 1	Boolean	The condition that decides which expression to execute
Argument 2	User-Defined	The expression to execute when the condition is true
Argument 3	User-Defined	The expression to execute when the condition is false
Return Value	User-Defined	The return value of the executed expression

Constructor Summary

IfElse()
Constructs a new node for executing one of two expressions depending on the result of a boolean expression.

IfElse(Class<?> type)
Constructs a new node for executing one of two expressions depending on the result of a boolean expression.

Method Summary

IfElse	copyNode() Returns a copy of this node, but without any children or parents assigned.
Object	evaluate(Environment environment) Evaluates this node in the context of the specified environment.

Methods inherited from class org.moeaframework.util.tree.Node

copyTree, getArgument, getArgumentType, getDepth, getFunctionAt, getFunctionAt, getMaximumHeight, getMinimumHeight, getNodeAt, getNodeAt, getNodeAt, getNumberOfArguments, getNumberOfFunctions, getNumberOfFunctions, getNumberOfNodes, getNumberOfNodes, getNumberOfNodes, getNumberOfTerminals, getNumberOfTerminals, getParent, getReturnType, getTerminalAt, getTerminalAt, isFixed, isTerminal, isValid, setArgument, setFixed, setFixedTree, size, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IfElse

public IfElse()

Constructs a new node for executing one of two expressions depending on the result of a boolean expression.

IfElse

public IfElse(Class<?> type)

Constructs a new node for executing one of two expressions depending on the result of a boolean expression.

Parameters:

type - the return type of each expression, which is also the return type of this node

Method Detail

copyNode

public IfElse copyNode()

Description copied from class: Node

Returns a copy of this node, but without any children or parents assigned.

Specified by:

copyNode in class Node

Returns:

a copy of this node, but without any children or parents assigned

evaluate

public Object evaluate(Environment environment)

Description copied from class: Node

Evaluates this node in the context of the specified environment.

Specified by:

evaluate in class Node

Parameters:

environment - the execution environment

Returns:

the result of evaluating this node