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BusVisit.java
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BusVisit.java
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/*
* Copyright 2015 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.optaplanner.examples.coachshuttlegathering.domain;
import com.thoughtworks.xstream.annotations.XStreamAlias;
import org.optaplanner.core.api.domain.entity.PlanningEntity;
import org.optaplanner.core.api.domain.variable.AnchorShadowVariable;
import org.optaplanner.core.api.domain.variable.PlanningVariable;
import org.optaplanner.core.api.domain.variable.PlanningVariableGraphType;
import org.optaplanner.examples.coachshuttlegathering.domain.location.RoadLocation;
import org.optaplanner.examples.coachshuttlegathering.domain.solver.DepotAngleBusVisitDifficultyWeightFactory;
import org.optaplanner.examples.common.domain.AbstractPersistable;
@PlanningEntity(difficultyWeightFactoryClass = DepotAngleBusVisitDifficultyWeightFactory.class)
@XStreamAlias("CsgBusVisit")
public class BusVisit extends AbstractPersistable implements BusStandstill {
protected BusStop busStop;
// Planning variables: changes during planning, between score calculations.
protected BusStandstill previousStandstill;
// Shadow variables
protected BusVisit nextVisit;
protected BusStartPoint startPoint;
public BusStop getBusStop() {
return busStop;
}
public void setBusStop(BusStop busStop) {
this.busStop = busStop;
}
@PlanningVariable(valueRangeProviderRefs = {"startPointRange", "visitRange"},
graphType = PlanningVariableGraphType.CHAINED)
public BusStandstill getPreviousStandstill() {
return previousStandstill;
}
public void setPreviousStandstill(BusStandstill previousStandstill) {
this.previousStandstill = previousStandstill;
}
public BusVisit getNextVisit() {
return nextVisit;
}
public void setNextVisit(BusVisit nextVisit) {
this.nextVisit = nextVisit;
}
@AnchorShadowVariable(sourceVariableName = "previousStandstill")
public BusStartPoint getStartPoint() {
return startPoint;
}
public void setStartPoint(BusStartPoint startPoint) {
this.startPoint = startPoint;
}
// ************************************************************************
// Complex methods
// ************************************************************************
public RoadLocation getLocation() {
return busStop.getLocation();
}
public int getDistanceFromPreviousStandstillCost() {
if (previousStandstill == null) {
return 0;
}
return getDistanceFrom(previousStandstill) * startPoint.getBus().getMileageCost();
}
public int getDistanceFrom(BusStandstill standstill) {
RoadLocation sourceLocation = standstill.getLocation();
RoadLocation targetLocation = getLocation();
return startPoint.isCoach() ? sourceLocation.getCoachDistanceTo(targetLocation)
: sourceLocation.getShuttleDistanceTo(targetLocation);
}
@Override
public String toString() {
return busStop.toString();
}
}