planner.graphPlan

Class Literal

java.lang.Object

planner.graphPlan.GraphNodeObject

planner.graphPlan.Literal

All Implemented Interfaces:

Comparable

public class Literal
extends GraphNodeObject

Class containing world state information that can be used as pre- and post-conditions of actions in the plan graph

Author:

dtdavis

Nested Class Summary

Nested classes/interfaces inherited from class planner.graphPlan.GraphNodeObject

GraphNodeObject.ParameterPairs

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	value Determines whether this literal is true or false

Fields inherited from class planner.graphPlan.GraphNodeObject

name, parameters

Constructor Summary

Constructors

Constructor and Description
Literal(String name, boolean value) Creates a new instance of Literal

Method Summary

Modifier and Type	Method and Description
boolean	getValue() Returns the value of the literal
boolean	match(GraphNodeObject l2) Compares this literal against another and returns true if they are equivalent
boolean	matchMinusObject(Literal l2) Compares this literal against another and returns true if they are equivalent in every respect except the "object" parameter
Literal	negation() Returns the negation of this literal
String	toString() Converts the GraphNodeObject to a String

Methods inherited from class planner.graphPlan.GraphNodeObject

addParameter, addParameter, addParameter, addParameter, compareTo, copyParameters, getName, getParameter, matchParams, numParameters, removeParameter

Methods inherited from class java.lang.Object

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

Field Detail

value

protected boolean value

Determines whether this literal is true or false

Constructor Detail

Literal

public Literal(String name,
               boolean value)

Creates a new instance of Literal

Parameters:

name - descriptor for this action

value -

Method Detail

getValue

public boolean getValue()

Returns the value of the literal

negation

public Literal negation()

Returns the negation of this literal

matchMinusObject

public boolean matchMinusObject(Literal l2)

Compares this literal against another and returns true if they are equivalent in every respect except the "object" parameter

match

public boolean match(GraphNodeObject l2)

Compares this literal against another and returns true if they are equivalent

Specified by:

match in class GraphNodeObject

Returns:

toString

public String toString()

Converts the GraphNodeObject to a String

Overrides:

toString in class GraphNodeObject