ix.iplan
Class TimePointNet

java.lang.Object
  ix.iplan.TimePointNet

All Implemented Interfaces:

ConstraintManager

public class TimePointNet
extends java.lang.Object
implements ConstraintManager

Time-point Network.

Nested Class Summary

static class

TimePointNet.TimeConstraint An internal representation of temporal "before" constraints.

Field Summary

protected ContextMap	knownPoints
protected ContextInt	numberOfPoints
protected TimePoint	timePointAtZero

Constructor Summary

TimePointNet()
Constructs an empty time-point network.

Method Summary

void	addConstraint(Constraint c)
void	addConstraint(PNode node, Constraint c)
void	addOrdering(java.util.Map idToNodeMap, Ordering ord)
boolean	addTimeConstraint(TimePoint pre, TimePoint post, long min, long max)
void	addTimeConstraintElseFail(TimePoint pre, TimePoint post)
TimePoint	addTimePoint(long min, long max)
TimePoint	addTimePoint(TimePoint t)
void	clear()
protected void	deleteTimeConstraint(TimePointNet.TimeConstraint c) Removes the constraint from its pre- and post-points.
void	describeTPN(java.io.PrintStream out)
void	evalAtBegin(PNodeEnd ne, Constraint c)
void	evalAtEnd(PNodeEnd ne, Constraint c)
protected int	getNumberOfPoints()
void	makeTimePointAtZero()
boolean	mightInteract(Constraint c1, Constraint c2)
protected boolean	propagateAfterAdding(TimePointNet.TimeConstraint c)
void	registerWith(ConstraintManagerRegistry r)
void	reset()
protected boolean	updateTimeWindows(java.util.List initialPoints)

Methods inherited from class java.lang.Object

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

Field Detail

knownPoints

protected ContextMap knownPoints

numberOfPoints

protected ContextInt numberOfPoints

timePointAtZero

protected TimePoint timePointAtZero

Constructor Detail

TimePointNet

public TimePointNet()

Constructs an empty time-point network.

Method Detail

getNumberOfPoints

protected int getNumberOfPoints()

registerWith

public void registerWith(ConstraintManagerRegistry r)

Specified by:

registerWith in interface ConstraintManager

reset

public void reset()

Specified by:

reset in interface ConstraintManager

clear

public void clear()

Specified by:

clear in interface ConstraintManager

addConstraint

public void addConstraint(Constraint c)

Specified by:

addConstraint in interface ConstraintManager

Throws:

java.lang.UnsupportedOperationException - if called.

addOrdering

public void addOrdering(java.util.Map idToNodeMap,
                        Ordering ord)

addConstraint

public void addConstraint(PNode node,
                          Constraint c)

Specified by:

addConstraint in interface ConstraintManager

evalAtBegin

public void evalAtBegin(PNodeEnd ne,
                        Constraint c)

Specified by:

evalAtBegin in interface ConstraintManager

Throws:

java.lang.UnsupportedOperationException - if called.

evalAtEnd

public void evalAtEnd(PNodeEnd ne,
                      Constraint c)

Specified by:

evalAtEnd in interface ConstraintManager

Throws:

java.lang.UnsupportedOperationException - if called.

mightInteract

public boolean mightInteract(Constraint c1,
                             Constraint c2)

Specified by:

mightInteract in interface ConstraintManager

Throws:

java.lang.UnsupportedOperationException - if called.

addTimePoint

public TimePoint addTimePoint(long min,
                              long max)

addTimePoint

public TimePoint addTimePoint(TimePoint t)

makeTimePointAtZero

public void makeTimePointAtZero()

addTimeConstraintElseFail

public void addTimeConstraintElseFail(TimePoint pre,
                                      TimePoint post)

addTimeConstraint

public boolean addTimeConstraint(TimePoint pre,
                                 TimePoint post,
                                 long min,
                                 long max)

deleteTimeConstraint

protected void deleteTimeConstraint(TimePointNet.TimeConstraint c)

Removes the constraint from its pre- and post-points.

describeTPN

public void describeTPN(java.io.PrintStream out)

propagateAfterAdding

protected boolean propagateAfterAdding(TimePointNet.TimeConstraint c)

updateTimeWindows

protected boolean updateTimeWindows(java.util.List initialPoints)