org.joone.structure
Class AbstractNode

java.lang.Object
  org.joone.structure.AbstractNode

All Implemented Interfaces:

Node

Direct Known Subclasses:

ContextNode, InputNode

public class AbstractNode
extends java.lang.Object
implements Node

An abstract node class, used to represent a general node type.

Author:

mg

Field Summary

protected java.util.List<Connection>	connections List of input connections
protected DoubleFunction	derivativeFunction The function that calculates the derivative
protected double	lastDerivative The derivative value at the last pattern
protected int	lastDerivativePattern Last pattern at which derivative was calculated
protected double	lastInputValue The calculated input value at this pattern
protected double	lastOutputValue The calculated output value at this pattern
protected int	lastPattern The most recent pattern number seen
protected int	order The node order
protected DoubleFunction	transportFunction The function that transforms the input into the output value

Constructor Summary

AbstractNode()
Constructor - creates a linear node

AbstractNode(DoubleFunction transportFunction, DoubleFunction derivativeFunction)
Constructor

Method Summary

int	calculateOrder() Calculate and set the node's order and return it, or 0 if it was not able to calculate it yet
java.util.List<Connection>	getConnections() Retrieve the list of connections that fire into this node
double	getDerivative(int pattern) The node's current derivative value
double	getInputValue(int pattern) The node's input value at the given pattern number
int	getOrder() The node's order
double	getOutputValue(int pattern) The node's current output value
javax.swing.tree.MutableTreeNode	getTreeNode() Return a suitable treeview description of the node
void	setOrder(int order) Set the node's order

Methods inherited from class java.lang.Object

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

Field Detail

lastPattern

protected int lastPattern

The most recent pattern number seen

lastInputValue

protected double lastInputValue

The calculated input value at this pattern

lastOutputValue

protected double lastOutputValue

The calculated output value at this pattern

lastDerivativePattern

protected int lastDerivativePattern

Last pattern at which derivative was calculated

lastDerivative

protected double lastDerivative

The derivative value at the last pattern

order

protected int order

The node order

transportFunction

protected DoubleFunction transportFunction

The function that transforms the input into the output value

derivativeFunction

protected DoubleFunction derivativeFunction

The function that calculates the derivative

connections

protected java.util.List<Connection> connections

List of input connections

Constructor Detail

AbstractNode

public AbstractNode()

Constructor - creates a linear node

AbstractNode

public AbstractNode(DoubleFunction transportFunction,
                    DoubleFunction derivativeFunction)

Constructor

Method Detail

getInputValue

public double getInputValue(int pattern)

The node's input value at the given pattern number

Specified by:

getInputValue in interface Node

Parameters:

pattern - the pattern number, 1 for the first pattern

getOutputValue

public double getOutputValue(int pattern)

Description copied from interface: Node

The node's current output value

Specified by:

getOutputValue in interface Node

Parameters:

pattern - the pattern number, 1 for the first pattern

getDerivative

public double getDerivative(int pattern)

Description copied from interface: Node

The node's current derivative value

Specified by:

getDerivative in interface Node

Parameters:

pattern - the pattern number, 1 for the first pattern

getOrder

public int getOrder()

The node's order

Specified by:

getOrder in interface Node

setOrder

public void setOrder(int order)

Set the node's order

calculateOrder

public int calculateOrder()

Calculate and set the node's order and return it, or 0 if it was not able to calculate it yet

getConnections

public java.util.List<Connection> getConnections()

Retrieve the list of connections that fire into this node

Specified by:

getConnections in interface Node

getTreeNode

public javax.swing.tree.MutableTreeNode getTreeNode()

Return a suitable treeview description of the node

Specified by:

getTreeNode in interface Node