org.moeaframework.util.tree
Class For

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

public class For
extends Node

The node for executing an expression for a given number of iterations. A named variable is created that contains the loop counter. The inputs and outputs to this node are shown below:

Name	Type	Description
Argument 1	Number	The starting loop counter value
Argument 2	Number	The ending loop counter value
Argument 3	Number	The increment of the loop counter
Argument 4	User-Defined	The expression to execute inside the loop
Return Value	User-Defined	The return value of the last executed expression; or null if the loop was never executed

Constructor Summary

For(String variableName)
Constructs a new node for executing an expression for a given number of iterations.

Method Summary

For	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

For

public For(String variableName)

Constructs a new node for executing an expression for a given number of iterations.

Parameters:

variableName - the name of the variable where the loop counter is stored

Method Detail

copyNode

public For 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