/*
* Licensed to GraphHopper GmbH under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* GraphHopper GmbH licenses this file to you 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 com.graphhopper.routing.ch;
import com.graphhopper.routing.util.FlagEncoder;
import com.graphhopper.routing.util.HintsMap;
import com.graphhopper.routing.weighting.Weighting;
import com.graphhopper.util.CHEdgeIteratorState;
import com.graphhopper.util.EdgeIteratorState;
/**
* Used in CH preparation and therefor assumed that all edges are of type CHEdgeIteratorState
* <p>
*
* @author Peter Karich
* @see PrepareContractionHierarchies
*/
public class PreparationWeighting implements Weighting {
private final Weighting userWeighting;
public PreparationWeighting(Weighting userWeighting) {
this.userWeighting = userWeighting;
}
@Override
public final double getMinWeight(double distance) {
return userWeighting.getMinWeight(distance);
}
@Override
public double calcWeight(EdgeIteratorState edgeState, boolean reverse, int prevOrNextEdgeId) {
CHEdgeIteratorState tmp = (CHEdgeIteratorState) edgeState;
if (tmp.isShortcut())
// if a shortcut is in both directions the weight is identical => no need for 'reverse'
return tmp.getWeight();
return userWeighting.calcWeight(edgeState, reverse, prevOrNextEdgeId);
}
@Override
public long calcMillis(EdgeIteratorState edgeState, boolean reverse, int prevOrNextEdgeId) {
return userWeighting.calcMillis(edgeState, reverse, prevOrNextEdgeId);
}
@Override
public FlagEncoder getFlagEncoder() {
return userWeighting.getFlagEncoder();
}
@Override
public boolean matches(HintsMap map) {
return getName().equals(map.getWeighting()) && userWeighting.getFlagEncoder().toString().equals(map.getVehicle());
}
@Override
public String getName() {
return "prepare|" + userWeighting.getName();
}
@Override
public String toString() {
return getName();
}
}