planner.graphPlan

Class GraphLayer

java.lang.Object

planner.graphPlan.GraphLayer

Direct Known Subclasses:

ActionLayer, LiteralLayer

public abstract class GraphLayer
extends Object

Abstract class for representing a layer of the planning graph

Author:

dtdavis

Constructor Summary

Constructors

Constructor and Description
GraphLayer() Creates a new instance of GraphLayer

Method Summary

Modifier and Type	Method and Description
protected void	add(GraphNode node) Adds a node to the layer
protected void	generateMutualExclusions() Identifies and marks the level's mutually exclusive actions or literals
protected GraphNode	get(GraphNodeObject node) Returns a requested node from the layer
protected GraphNode	get(int index) Returns a requested node from the layer
protected int	indexOf(GraphNode node) Takes a GraphNode object parameter and returns the index of an equivalent object that is already in the layer if one exists, or -1 if not
protected int	indexOf(GraphNodeObject node) Takes a GraphNodeObject parameter and returns the index of an equivalent object that is already in the layer if one exists, or -1 if not
int	size() Returns the number of nodes in the layer
String	toString() Converts the GraphNodeObject to a String

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphLayer

public GraphLayer()

Creates a new instance of GraphLayer

Method Detail

generateMutualExclusions

protected void generateMutualExclusions()

Identifies and marks the level's mutually exclusive actions or literals

add

protected void add(GraphNode node)

Adds a node to the layer

Parameters:

node -

size

public int size()

Returns the number of nodes in the layer

Returns:

get

protected GraphNode get(int index)

Returns a requested node from the layer

Parameters:

index -

Returns:

get

protected GraphNode get(GraphNodeObject node)

Returns a requested node from the layer

Parameters:

node -

Returns:

indexOf

protected int indexOf(GraphNode node)

Takes a GraphNode object parameter and returns the index of an equivalent object that is already in the layer if one exists, or -1 if not

Parameters:

node - GraphNode object whose existence in the graph layer is being determined

Returns:

indexOf

protected int indexOf(GraphNodeObject node)

Takes a GraphNodeObject parameter and returns the index of an equivalent object that is already in the layer if one exists, or -1 if not

Parameters:

node - GraphNodeObject whose existence in the graph layer is being determined

Returns:

toString

public String toString()

Converts the GraphNodeObject to a String

Overrides:

toString in class Object