/* * Copyright 2022 Anton Tananaev (anton@traccar.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.traccar.helper.model; import org.traccar.model.Position; import org.traccar.session.cache.CacheManager; public final class PositionUtil { private PositionUtil() { } public static boolean isLatest(CacheManager cacheManager, Position position) { Position lastPosition = cacheManager.getPosition(position.getDeviceId()); return lastPosition == null || position.getFixTime().compareTo(lastPosition.getFixTime()) >= 0; } public static double calculateDistance(Position first, Position last, boolean useOdometer) { double distance; double firstOdometer = first.getDouble(Position.KEY_ODOMETER); double lastOdometer = last.getDouble(Position.KEY_ODOMETER); if (useOdometer && firstOdometer != 0.0 && lastOdometer != 0.0) { distance = lastOdometer - firstOdometer; } else { distance = last.getDouble(Position.KEY_TOTAL_DISTANCE) - first.getDouble(Position.KEY_TOTAL_DISTANCE); } return distance; } }