/**
* 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.services;
import java.util.List;
import org.onebusaway.gtfs.model.StopTime;
import org.onebusaway.gtfs.model.Trip;
import org.onebusaway.transit_data_federation.model.StopSequence;
import org.onebusaway.transit_data_federation.services.transit_graph.BlockTripEntry;
/**
* Service methods for generating {@link StopSequence} objects from a collection
* of {@link Trip} objects and each trip's {@link StopTime} objects. Recall that
* a stop sequence is a unique sequence of stops visited by a transit trip. So
* typically, multiple trips will often refer to the same stop sequence, but not
* always. Here we find all unique sequences for the set of trips.
*
* @author bdferris
* @see StopSequence
*/
public interface StopSequencesService {
/**
* Recall that a stop sequence is a unique sequence of stops visited by a
* transit trip. So typically, multiple trips will often refer to the same
* stop sequence, but not always. Here we find all unique sequences for the
* set of trips.
*
* @param trips set of trips
* @return the set of unique stop sequences visited by the trips
*/
public List<StopSequence> getStopSequencesForTrips(List<BlockTripEntry> trips);
}