ec.gp.ge
Class GrammarFunctionNode

java.lang.Object
  ec.gp.ge.GrammarNode
      ec.gp.ge.GrammarFunctionNode

public class GrammarFunctionNode
extends GrammarNode

A GrammarNode representing a GPNode in the GE Grammar. The head of the GrammarFunctionNode is the name of the GPNode in the grammar; and the children are various arguments to the node as defined by the grammar. These are returned by getArgument(...) and getNumArguments(). The GrammarFunctionNode holds a prototypical GPNode from which clones can be made.

Field Summary

Fields inherited from class ec.gp.ge.GrammarNode

children

Constructor Summary

GrammarFunctionNode(GPFunctionSet gpfs, java.lang.String name)
Determines the GPNode from the function set by the name.

Method Summary

void	addArgument(GrammarNode arg) Adds a given argument to the node.
GrammarNode	getArgument(int index) Returna given argument.
GPNode	getGPNodePrototype() Returns the prototype without cloning it first.
int	getNumArguments() Returns the number of arguments.
java.lang.String	toString()

Methods inherited from class ec.gp.ge.GrammarNode

getHead

Methods inherited from class java.lang.Object

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

Constructor Detail

GrammarFunctionNode

public GrammarFunctionNode(GPFunctionSet gpfs,
                           java.lang.String name)

Determines the GPNode from the function set by the name. If there is more than one such node (which shouldn't be the case) then only the first such node is used. Stores the prototype.

Method Detail

addArgument

public void addArgument(GrammarNode arg)

Adds a given argument to the node.

getNumArguments

public int getNumArguments()

Returns the number of arguments.

getArgument

public GrammarNode getArgument(int index)

Returna given argument.

getGPNodePrototype

public GPNode getGPNodePrototype()

Returns the prototype without cloning it first. Be certain to clone before using.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object