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Code Issues Releases Wiki Activity

refine max distance constraint - related to #292

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oblonski 2016-11-08 13:11:00 +01:00
parent dc064c730c
commit 3dcbe71fcf
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1 changed files with 28 additions and 12 deletions
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38
jsprit-core/src/main/java/com/graphhopper/jsprit/core/problem/constraint/MaxDistanceConstraint.java
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@ -73,34 +73,50 @@ public class MaxDistanceConstraint implements HardActivityConstraint{
if(!iFacts.getRoute().isEmpty()){
currentDistance = stateManager.getRouteState(iFacts.getRoute(),iFacts.getNewVehicle(), distanceId,Double.class);
}
double maxDistance = getMaxDistance(iFacts.getNewVehicle());
double distancePrevAct2NewAct = distanceCalculator.getDistance(prevAct.getLocation(), newAct.getLocation(), iFacts.getNewDepTime(), iFacts.getNewVehicle());
double distanceNewAct2nextAct = distanceCalculator.getDistance(newAct.getLocation(), nextAct.getLocation(), iFacts.getNewDepTime(), iFacts.getNewVehicle());
double distancePrevAct2NextAct = distanceCalculator.getDistance(prevAct.getLocation(), nextAct.getLocation(), iFacts.getNewDepTime(), iFacts.getNewVehicle());
double distancePrevAct2NextAct = distanceCalculator.getDistance(prevAct.getLocation(), nextAct.getLocation(), prevActDepTime, iFacts.getRoute().getVehicle());
if(nextAct instanceof End && !iFacts.getNewVehicle().isReturnToDepot()){
distanceNewAct2nextAct = 0;
distancePrevAct2NextAct = 0;
}
double distancePrevAct2NewAct = distanceCalculator.getDistance(prevAct.getLocation(), newAct.getLocation(), iFacts.getNewDepTime(), iFacts.getNewVehicle());
double additionalDistance = distancePrevAct2NewAct + distanceNewAct2nextAct - distancePrevAct2NextAct;
double maxDistance = getMaxDistance(iFacts.getNewVehicle());
if(currentDistance + additionalDistance > maxDistance) return ConstraintsStatus.NOT_FULFILLED;
double additionalDistanceOfPickup = 0;
if(newAct instanceof DeliverShipment){
int iIndexOfPickup = iFacts.getRelatedActivityContext().getInsertionIndex();
TourActivity pickup = iFacts.getAssociatedActivities().get(0);
TourActivity actBeforePickup;
TourActivity actAfterPickup = iFacts.getRoute().getActivities().get(iIndexOfPickup);
if(iIndexOfPickup > 0) actBeforePickup = iFacts.getRoute().getActivities().get(iIndexOfPickup-1);
else actBeforePickup = iFacts.getRoute().getStart();
double additionalDistanceOfPickup = distanceCalculator.getDistance(actBeforePickup.getLocation(),pickup.getLocation(),0,iFacts.getNewVehicle())
+ distanceCalculator.getDistance(pickup.getLocation(),actAfterPickup.getLocation(),0,iFacts.getNewVehicle())
- distanceCalculator.getDistance(actBeforePickup.getLocation(), actAfterPickup.getLocation(),0,iFacts.getNewVehicle());
TourActivity actAfterPickup;
boolean associatedPickAndDeliveryAreDirectNeighbors = prevAct.getIndex() == pickup.getIndex();
if(associatedPickAndDeliveryAreDirectNeighbors){
actAfterPickup = newAct;
distancePrevAct2NextAct = distanceCalculator.getDistance(prevAct.getLocation(), nextAct.getLocation(), iFacts.getRelatedActivityContext().getEndTime(), iFacts.getNewVehicle());
}
else actAfterPickup = iFacts.getRoute().getActivities().get(iIndexOfPickup);
double distanceActBeforePickup2Pickup = distanceCalculator.getDistance(actBeforePickup.getLocation(), pickup.getLocation(), actBeforePickup.getEndTime(), iFacts.getNewVehicle());
double distancePickup2ActAfterPickup = distanceCalculator.getDistance(pickup.getLocation(), actAfterPickup.getLocation(), iFacts.getRelatedActivityContext().getEndTime(), iFacts.getNewVehicle());
double distanceBeforePickup2AfterPickup;
if(associatedPickAndDeliveryAreDirectNeighbors){
distanceBeforePickup2AfterPickup = distanceCalculator.getDistance(actBeforePickup.getLocation(), actAfterPickup.getLocation(), actBeforePickup.getEndTime(), iFacts.getNewVehicle());
}
else{
distanceBeforePickup2AfterPickup = distanceCalculator.getDistance(actBeforePickup.getLocation(), actAfterPickup.getLocation(), actBeforePickup.getEndTime(), iFacts.getRoute().getVehicle());
}
additionalDistanceOfPickup = distanceActBeforePickup2Pickup + distancePickup2ActAfterPickup - distanceBeforePickup2AfterPickup;
}
double additionalDistance = distancePrevAct2NewAct + distanceNewAct2nextAct - distancePrevAct2NextAct;
if(currentDistance + additionalDistance > maxDistance) return ConstraintsStatus.NOT_FULFILLED;
if(currentDistance + additionalDistance + additionalDistanceOfPickup > maxDistance){
return ConstraintsStatus.NOT_FULFILLED;
}
}
return ConstraintsStatus.FULFILLED;
}