/* 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.onebusaway.gtfs.model.Stop;
import org.opentripplanner.common.geometry.GeometryUtils;
import org.opentripplanner.common.geometry.SphericalDistanceLibrary;
import org.opentripplanner.gtfs.GtfsLibrary;
import org.opentripplanner.routing.core.RoutingRequest;
import org.opentripplanner.routing.core.State;
import org.opentripplanner.routing.core.StateEditor;
import org.opentripplanner.routing.core.TraverseMode;
import org.opentripplanner.routing.trippattern.TripTimes;
import org.opentripplanner.routing.vertextype.PatternStopVertex;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.LineString;
/**
* A transit vehicle's journey between departure at one stop and arrival at the next.
* This version represents a set of such journeys specified by a TripPattern.
*/
public class PatternHop extends TablePatternEdge implements OnboardEdge, HopEdge {
private static final long serialVersionUID = 1L;
private Stop begin, end;
public int stopIndex;
private LineString geometry = null;
public PatternHop(PatternStopVertex from, PatternStopVertex to, Stop begin, Stop end, int stopIndex) {
super(from, to);
this.begin = begin;
this.end = end;
this.stopIndex = stopIndex;
getPattern().setPatternHop(stopIndex, this);
}
public double getDistance() {
return SphericalDistanceLibrary.getInstance().distance(begin.getLat(), begin.getLon(), end.getLat(),
end.getLon());
}
public TraverseMode getMode() {
return GtfsLibrary.getTraverseMode(getPattern().route);
}
public String getName() {
return GtfsLibrary.getRouteName(getPattern().route);
}
public State optimisticTraverse(State state0) {
RoutingRequest options = state0.getOptions();
// Ignore this edge if either of its stop is banned hard
if (!options.bannedStopsHard.isEmpty()) {
if (options.bannedStopsHard.matches(((PatternStopVertex) fromv).getStop())
|| options.bannedStopsHard.matches(((PatternStopVertex) tov).getStop())) {
return null;
}
}
int runningTime = getPattern().scheduledTimetable.getBestRunningTime(stopIndex);
StateEditor s1 = state0.edit(this);
s1.incrementTimeInSeconds(runningTime);
s1.setBackMode(getMode());
s1.incrementWeight(runningTime);
return s1.makeState();
}
@Override
public double timeLowerBound(RoutingRequest options) {
return getPattern().scheduledTimetable.getBestRunningTime(stopIndex);
}
@Override
public double weightLowerBound(RoutingRequest options) {
return timeLowerBound(options);
}
public State traverse(State s0) {
RoutingRequest options = s0.getOptions();
// Ignore this edge if either of its stop is banned hard
if (!options.bannedStopsHard.isEmpty()) {
if (options.bannedStopsHard.matches(((PatternStopVertex) fromv).getStop())
|| options.bannedStopsHard.matches(((PatternStopVertex) tov).getStop())) {
return null;
}
}
TripTimes tripTimes = s0.getTripTimes();
int runningTime = tripTimes.getRunningTime(stopIndex);
StateEditor s1 = s0.edit(this);
s1.incrementTimeInSeconds(runningTime);
if (s0.getOptions().arriveBy)
s1.setZone(getBeginStop().getZoneId());
else
s1.setZone(getEndStop().getZoneId());
//s1.setRoute(pattern.getExemplar().route.getId());
s1.incrementWeight(runningTime);
s1.setBackMode(getMode());
return s1.makeState();
}
public void setGeometry(LineString geometry) {
this.geometry = geometry;
}
public LineString getGeometry() {
if (geometry == null) {
Coordinate c1 = new Coordinate(begin.getLon(), begin.getLat());
Coordinate c2 = new Coordinate(end.getLon(), end.getLat());
geometry = GeometryUtils.getGeometryFactory().createLineString(new Coordinate[] { c1, c2 });
}
return geometry;
}
@Override
public Stop getEndStop() {
return end;
}
@Override
public Stop getBeginStop() {
return begin;
}
public String toString() {
return "PatternHop(" + getFromVertex() + ", " + getToVertex() + ")";
}
@Override
public int getStopIndex() {
return stopIndex;
}
}