MOEA Framework 2.12
API Specification

org.moeaframework.util.tree
Class While

java.lang.Object
  extended by org.moeaframework.util.tree.Node
      extended by org.moeaframework.util.tree.While

public class While
extends Node

The node for repeatedly executing an expression while a condition, a boolean expression, remains true. The inputs and outputs to this node are shown below:

Name Type Description
Argument 1 Boolean The condition that determines how long the loop is executed
Argument 2 User-Defined The expression to execute when the condition is true
Return Value User-Defined The return value of the last executed expression; or null if the loop was never executed


Constructor Summary
While()
          Constructs a new node for repeatedly executing an expression while a condition remains true.
 
Method Summary
 While 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

While

public While()
Constructs a new node for repeatedly executing an expression while a condition remains true.

Method Detail

copyNode

public While 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

MOEA Framework 2.12
API Specification

Copyright 2009-2016 MOEA Framework. All rights reserved.
Licensed under the GNU Lesser General Public License.
Return to the MOEA Framework homepage. Visit us on Github!