/* * Copyright 2016 Anton Tananaev (anton@traccar.org) * Copyright 2016 Andrey Kunitsyn (andrey@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.events; import java.util.Collections; import java.util.Map; import org.traccar.BaseEventHandler; import org.traccar.Context; import org.traccar.model.Device; import org.traccar.model.Event; import org.traccar.model.Position; public class MaintenanceEventHandler extends BaseEventHandler { public static final String ATTRIBUTE_MAINTENANCE_START = "maintenance.start"; public static final String ATTRIBUTE_MAINTENANCE_INTERVAL = "maintenance.interval"; @Override protected Map<Event, Position> analyzePosition(Position position) { Device device = Context.getIdentityManager().getById(position.getDeviceId()); if (device == null || !Context.getIdentityManager().isLatestPosition(position)) { return null; } double maintenanceInterval = Context.getDeviceManager() .lookupAttributeDouble(device.getId(), ATTRIBUTE_MAINTENANCE_INTERVAL, 0, false); if (maintenanceInterval == 0) { return null; } double maintenanceStart = Context.getDeviceManager() .lookupAttributeDouble(device.getId(), ATTRIBUTE_MAINTENANCE_START, 0, false); double oldTotalDistance = 0.0; double newTotalDistance = 0.0; Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId()); if (lastPosition != null) { oldTotalDistance = lastPosition.getDouble(Position.KEY_TOTAL_DISTANCE); } newTotalDistance = position.getDouble(Position.KEY_TOTAL_DISTANCE); oldTotalDistance -= maintenanceStart; newTotalDistance -= maintenanceStart; if ((long) (oldTotalDistance / maintenanceInterval) < (long) (newTotalDistance / maintenanceInterval)) { Event event = new Event(Event.TYPE_MAINTENANCE, position.getDeviceId(), position.getId()); event.set(Position.KEY_TOTAL_DISTANCE, newTotalDistance); return Collections.singletonMap(event, position); } return null; } }