/**
* Copyright (C) 2011 Brian Ferris <bdferris@onebusaway.org>
*
* 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.onebusaway.transit_data_federation.impl.tripplanner;
import java.util.AbstractList;
import java.util.List;
import org.onebusaway.transit_data_federation.services.transit_graph.StopEntry;
import org.onebusaway.transit_data_federation.services.tripplanner.StopHop;
import org.onebusaway.transit_data_federation.services.tripplanner.StopTransfer;
/**
* A memory-optimize structure for holding a list of {@link StopTransfer}
* objects
*
* @author bdferris
*/
public class StopHopList extends AbstractList<StopHop> {
private final StopEntry[] stops;
private final int[] minTravelTimes;
public StopHopList(List<StopHop> stopHops) {
int n = stopHops.size();
stops = new StopEntry[n];
minTravelTimes = new int[n];
for (int i = 0; i < n; i++) {
StopHop stopTransfer = stopHops.get(i);
stops[i] = stopTransfer.getStop();
minTravelTimes[i] = stopTransfer.getMinTravelTime();
}
}
@Override
public int size() {
return stops.length;
}
@Override
public StopHop get(int index) {
StopEntry stop = stops[index];
int minTravelTime = minTravelTimes[index];
return new StopHop(stop, minTravelTime);
}
}