/* This program is free software: you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public License
as published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package org.opentripplanner.routing.edgetype;
import org.opentripplanner.routing.core.State;
import org.opentripplanner.routing.core.StateEditor;
import org.opentripplanner.routing.core.TraverseMode;
import org.opentripplanner.routing.core.RoutingRequest;
import org.opentripplanner.routing.graph.Edge;
import org.opentripplanner.routing.graph.Vertex;
import com.vividsolutions.jts.geom.LineString;
/**
* A relatively low cost edge for travelling one level in an elevator.
* @author mattwigway
*
*/
public class ElevatorHopEdge extends Edge implements ElevatorEdge {
private static final long serialVersionUID = 3925814840369402222L;
private StreetTraversalPermission permission;
public boolean wheelchairAccessible = true;
public ElevatorHopEdge(Vertex from, Vertex to, StreetTraversalPermission permission) {
super(from, to);
this.permission = permission;
}
@Override
public State traverse(State s0) {
RoutingRequest options = s0.getOptions();
if (options.wheelchairAccessible && !wheelchairAccessible) {
return null;
}
TraverseMode mode = s0.getNonTransitMode();
if (mode == TraverseMode.WALK &&
!permission.allows(StreetTraversalPermission.PEDESTRIAN)) {
return null;
}
if (mode == TraverseMode.BICYCLE &&
!permission.allows(StreetTraversalPermission.BICYCLE)) {
return null;
}
// there are elevators which allow cars
if (mode == TraverseMode.CAR
&& !permission.allows(StreetTraversalPermission.CAR)) {
return null;
}
StateEditor s1 = s0.edit(this);
s1.setBackMode(TraverseMode.WALK);
s1.incrementWeight(options.elevatorHopCost);
s1.incrementTimeInSeconds(options.elevatorHopTime);
return s1.makeState();
}
@Override
public double getDistance() {
return 0;
}
@Override
public LineString getGeometry() {
return null;
}
@Override
public String getName() {
return null;
}
public String toString() {
return "ElevatorHopEdge(" + fromv + " -> " + tov + ")";
}
}