public void modelSensorValue(String value, long timeNow) {
synchronized (ans) {
boolean makeNew = false;
if (currentAct == null) {
makeNew = true;
} else if (currentAct != null) {
// If it has not changed, do nothing - otherwise:
if (this.hasChanged(value)) {
// change value
AllenIntervalConstraint deadline =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Deadline, new Bounds(timeNow, timeNow));
deadline.setFrom(currentAct.getVariable());
deadline.setTo(currentAct.getVariable());
ans.removeConstraint(currentMeetsFuture);
boolean ret = ans.addConstraint(deadline);
if (!ret) throw new NetworkMaintenanceError(deadline);
// if (!ret) throw new
// NetworkMaintenanceError(future.getTemporalVariable().getEST(),timeNow);
makeNew = true;
}
}
// First reading or value changed --> make new activity
if (makeNew) {
Activity act = this.createNewActivity(value);
AllenIntervalConstraint rel =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Release, new Bounds(timeNow, timeNow));
rel.setFrom(act.getVariable());
rel.setTo(act.getVariable());
AllenIntervalConstraint meetsFuture =
new AllenIntervalConstraint(AllenIntervalConstraint.Type.Meets);
meetsFuture.setFrom(act.getVariable());
meetsFuture.setTo(future);
currentAct = act;
currentMeetsFuture = meetsFuture;
boolean ret = ans.addConstraints(new Constraint[] {rel, meetsFuture});
// if (!ret) throw new NetworkMaintenanceError(rel,meetsFuture);
if (!ret) throw new NetworkMaintenanceError(future.getTemporalVariable().getEST(), timeNow);
logger.info("" + currentAct);
}
}
}
/** @param args */
public static void main(String[] args) {
MetaCSPLogging.setLevel(TimelinePublisher.class, Level.FINEST);
SimplePlanner planner = new SimplePlanner(0, 600, 0);
// This is a pointer toward the ActivityNetwork solver of the Scheduler
ActivityNetworkSolver groundSolver = (ActivityNetworkSolver) planner.getConstraintSolvers()[0];
MetaCSPLogging.setLevel(planner.getClass(), Level.FINE);
// MetaCSPLogging.setLevel(Level.FINEST);
// MetaCSPLogging.setLevel(planner.getClass(), Level.FINE);
SimpleDomain rd = new SimpleDomain(new int[] {2}, new String[] {"arm"}, "TestDomain");
AllenIntervalConstraint atCupAfterPlace =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint atCup1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint placeCupAfterholding =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint placeCup1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint holdingCupAfterPick =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint holdingCup1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint pickCup1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint atKnifeAfterPlace =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint atKnife1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint placeKnifeAfterholding =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint placeKnife1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint holdingKnifeAfterPick =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint holdingKnife1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint pickKnife1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint atForkAfterPlace =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint atFork1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint placeForkAfterholding =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint placeFork1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint holdingForkAfterPick =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.After,
AllenIntervalConstraint.Type.After.getDefaultBounds());
AllenIntervalConstraint holdingFork1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
AllenIntervalConstraint pickFork1Duration =
new AllenIntervalConstraint(
AllenIntervalConstraint.Type.Duration, new Bounds(10, APSPSolver.INF));
SimpleOperator operator1 =
new SimpleOperator(
"robot1::at_cup1_table1()",
new AllenIntervalConstraint[] {atCupAfterPlace},
new String[] {"robot1::place_cup1_table1(arm)"},
new int[] {1});
operator1.addConstraint(atCup1Duration, 0, 0);
rd.addOperator(operator1);
SimpleOperator operator2 =
new SimpleOperator(
"robot1::place_cup1_table1(arm)",
new AllenIntervalConstraint[] {placeCupAfterholding},
new String[] {"robot1::holding_cup1(arm)"},
new int[] {1});
operator2.addConstraint(placeCup1Duration, 0, 0);
rd.addOperator(operator2);
SimpleOperator operator3 =
new SimpleOperator(
"robot1::holding_cup1(arm)",
new AllenIntervalConstraint[] {holdingCupAfterPick},
new String[] {"robot1::pick_cup1(arm)"},
new int[] {1});
operator3.addConstraint(holdingCup1Duration, 0, 0);
rd.addOperator(operator3);
SimpleOperator operator1res =
new SimpleOperator("robot1::pick_cup1(arm)", null, null, new int[] {1});
operator1res.addConstraint(pickCup1Duration, 0, 0);
rd.addOperator(operator1res);
// ........................
SimpleOperator operator4 =
new SimpleOperator(
"robot1::at_knife1_table1()",
new AllenIntervalConstraint[] {atKnifeAfterPlace},
new String[] {"robot1::place_knife1_table1(arm)"},
new int[] {1});
operator4.addConstraint(atKnife1Duration, 0, 0);
rd.addOperator(operator4);
SimpleOperator operator5 =
new SimpleOperator(
"robot1::place_knife1_table1(arm)",
new AllenIntervalConstraint[] {placeKnifeAfterholding},
new String[] {"robot1::holding_knife1(arm)"},
new int[] {1});
operator5.addConstraint(placeKnife1Duration, 0, 0);
rd.addOperator(operator5);
SimpleOperator operator6 =
new SimpleOperator(
"robot1::holding_knife1(arm)",
new AllenIntervalConstraint[] {holdingKnifeAfterPick},
new String[] {"robot1::pick_knife1(arm)"},
new int[] {1});
operator6.addConstraint(holdingKnife1Duration, 0, 0);
rd.addOperator(operator6);
SimpleOperator operator2res =
new SimpleOperator("robot1::pick_knife1(arm)", null, null, new int[] {1});
operator2res.addConstraint(pickKnife1Duration, 0, 0);
rd.addOperator(operator2res);
// ........................
SimpleOperator operator7 =
new SimpleOperator(
"robot1::at_fork_table1()",
new AllenIntervalConstraint[] {atForkAfterPlace},
new String[] {"robot1::place_fork1_table1(arm)"},
new int[] {1});
operator7.addConstraint(atFork1Duration, 0, 0);
rd.addOperator(operator7);
SimpleOperator operator8 =
new SimpleOperator(
"robot1::place_fork1_table1(arm)",
new AllenIntervalConstraint[] {placeForkAfterholding},
new String[] {"robot1::holding_fork1(arm)"},
new int[] {1});
operator8.addConstraint(placeFork1Duration, 0, 0);
rd.addOperator(operator8);
SimpleOperator operator9 =
new SimpleOperator(
"robot1::holding_fork1(arm)",
new AllenIntervalConstraint[] {holdingForkAfterPick},
new String[] {"robot1::pick_fork1(arm)"},
new int[] {1});
operator9.addConstraint(holdingFork1Duration, 0, 0);
rd.addOperator(operator9);
SimpleOperator operator3res =
new SimpleOperator("robot1::pick_fork1(arm)", null, null, new int[] {1});
operator3res.addConstraint(pickFork1Duration, 0, 0);
rd.addOperator(operator3res);
// This adds the domain as a meta-constraint of the SimplePlanner
planner.addMetaConstraint(rd);
// ... and we also add all its resources as separate meta-constraints
MetaCSPLogging.setLevel(Schedulable.class, Level.FINEST);
for (Schedulable sch : rd.getSchedulingMetaConstraints()) planner.addMetaConstraint(sch);
// INITIAL AND GOAL STATE DEFS
Activity three = (Activity) groundSolver.createVariable("robot1");
three.setSymbolicDomain("at_knife1_table1()");
three.setMarking(markings.UNJUSTIFIED);
Activity one = (Activity) groundSolver.createVariable("robot1");
one.setSymbolicDomain("at_cup1_table1()");
one.setMarking(markings.UNJUSTIFIED);
Activity two = (Activity) groundSolver.createVariable("robot1");
two.setSymbolicDomain("at_fork1_table1()");
two.setMarking(markings.UNJUSTIFIED);
planner.backtrack();
TimelinePublisher tp = new TimelinePublisher(groundSolver, new Bounds(0, 100), "robot1");
// TimelinePublisher can also be instantiated w/o bounds, in which case the bounds are
// calculated every time publish is called
// TimelinePublisher tp = new TimelinePublisher(groundSolver, "Robot1", "Robot2",
// "LocalizationService", "RFIDReader1", "LaserScanner1");
TimelineVisualizer viz = new TimelineVisualizer(tp);
tp.publish(false, false);
// the following call is marked as "skippable" and will most likely be skipped because the
// previous call has not finished rendering...
tp.publish(false, true);
ConstraintNetwork.draw(groundSolver.getConstraintNetwork(), "Constraint Network");
planner.draw();
tp.publish(true, false);
}
protected Activity createNewActivity(String value) {
SymbolicVariableActivity act = (SymbolicVariableActivity) ans.createVariable(this.name);
act.setSymbolicDomain(value);
act.setMarking(markings.JUSTIFIED);
return act;
}
