MOEA Framework 2.12
API Specification

org.moeaframework.util.tree
Class Get

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

public class Get
extends Node

The node for reading the value stored in a named variable within the current scope. See Set for details on scoping. The inputs and outputs to this node are shown below:

If the named variable has not yet been set, a default value is returned depending on the return type. For numeric values, the default is 0. For boolean values, the default is false. For objects, the default is null.

Name Type Description
Return Value User-Defined The valued stored in the named variable

See Also:
Set

Constructor Summary
Get(Class<?> type, String name)
          Constructs a new node for reading the value stored in a named variable within the current scope.
 
Method Summary
 Get 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.
 Object getDefaultValue()
          Returns the default value for the return type of this node.
 String toString()
           
 
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
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Get

public Get(Class<?> type,
           String name)
Constructs a new node for reading the value stored in a named variable within the current scope.

Parameters:
type - the type of the variable
name - the name of the variable
Method Detail

copyNode

public Get 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

getDefaultValue

public Object getDefaultValue()
Returns the default value for the return type of this node.

Returns:
the default value for the return type of this node

toString

public String toString()
Overrides:
toString in class Node

MOEA Framework 2.12
API Specification

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Licensed under the GNU Lesser General Public License.
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