Package ec.gp.ge

Class GrammarNode

java.lang.Object

ec.gp.ge.GrammarNode

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

GrammarFunctionNode, GrammarRuleNode

public abstract class GrammarNode
extends Object
implements Serializable

The abstract superclass of nodes used by GrammarParser to construct a parse graph to generate GEIndividuals. GrammarNode has a *head*, which typically holds the name of the node, and an array of *children*, which are themselves GrammarNodes.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ArrayList<GrammarNode>	children

Constructor Summary

Constructors

Constructor	Description
GrammarNode(String head)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)	This is needed when we use a GrammarNode as a "key" in hash-map, see GrammarParser.java for details.
String	getHead()
int	hashCode()	As usual
abstract String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

children

protected ArrayList<GrammarNode> children

Constructor Details

GrammarNode

public GrammarNode(String head)

Method Details

getHead

public String getHead()

toString

public abstract String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

This is needed when we use a GrammarNode as a "key" in hash-map, see GrammarParser.java for details.

Overrides:

equals in class Object

hashCode

public int hashCode()

As usual

Overrides:

hashCode in class Object