edu.cmu.cs.coral.icf.plan_based.planners.pip
Class PlanNode

java.lang.Object
  |
  +--edu.cmu.cs.coral.icf.plan_based.planners.pip.PlanNode

Direct Known Subclasses:

GoalNode, OpNode

public abstract class PlanNode

extends java.lang.Object

Represents a node in the tail plan, i.e. the backward chaining part of the plan.

Since:

ICF 0.0

Version:

$Id$

Field Summary

private java.util.Vector	children the children of this node
private java.util.Vector	parents the parents of this node

Constructor Summary

PlanNode()
Construct an empty plan node.

Method Summary

java.util.Vector	accessChildren() Access the children of this node.
java.util.Vector	accessParents() Access the parents of this node.

Methods inherited from class java.lang.Object

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

Field Detail

children

private java.util.Vector children

the children of this node

Since:

ICF 0.0

parents

private java.util.Vector parents

the parents of this node

Since:

ICF 0.0

Constructor Detail

PlanNode

public PlanNode()

Construct an empty plan node.

Since:

ICF 0.0

Method Detail

accessChildren

public java.util.Vector accessChildren()

Access the children of this node. This vector can be modified directly.

Returns:

the vector of children of this node

Since:

ICF 0.0

accessParents

public java.util.Vector accessParents()

Access the parents of this node. This vector can be modified directly.

Returns:

the vector containing the parents of this node

Since:

ICF 0.0