/**
* 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.blocks;
import java.util.Comparator;
import java.util.List;
import org.onebusaway.transit_data_federation.services.transit_graph.BlockStopTimeEntry;
import org.onebusaway.transit_data_federation.services.transit_graph.HasBlockStopTimes;
import org.onebusaway.transit_data_federation.services.transit_graph.StopTimeEntry;
class BlockStopTimeLooseComparator<T extends HasBlockStopTimes>
implements Comparator<T> {
@Override
public int compare(T o1, T o2) {
List<BlockStopTimeEntry> stopTimes1 = o1.getStopTimes();
List<BlockStopTimeEntry> stopTimes2 = o2.getStopTimes();
if (stopTimes1.isEmpty())
throw new IllegalStateException("block trip has no stop times: " + o1);
if (stopTimes2.isEmpty())
throw new IllegalStateException("block trip has no stop times: " + o2);
BlockStopTimeEntry bst1 = stopTimes1.get(0);
BlockStopTimeEntry bst2 = stopTimes2.get(0);
StopTimeEntry st1 = bst1.getStopTime();
StopTimeEntry st2 = bst2.getStopTime();
return st1.getDepartureTime() - st2.getDepartureTime();
}
}