/* * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com) * * 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.sql.SQLException; import java.util.ArrayList; import java.util.Collection; import java.util.List; import org.traccar.BaseEventHandler; import org.traccar.Context; import org.traccar.database.DataManager; import org.traccar.database.GeofenceManager; import org.traccar.helper.Log; import org.traccar.model.Device; import org.traccar.model.Event; import org.traccar.model.Position; public class GeofenceEventHandler extends BaseEventHandler { private int suppressRepeated; private GeofenceManager geofenceManager; private DataManager dataManager; public GeofenceEventHandler() { suppressRepeated = Context.getConfig().getInteger("event.suppressRepeated", 60); geofenceManager = Context.getGeofenceManager(); dataManager = Context.getDataManager(); } @Override protected Collection<Event> analyzePosition(Position position) { Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId()); if (device == null) { return null; } if (position.getId() != device.getPositionId() || !position.getValid()) { return null; } List<Long> currentGeofences = geofenceManager.getCurrentDeviceGeofences(position); List<Long> oldGeofences = new ArrayList<>(); if (device.getGeofenceIds() != null) { oldGeofences.addAll(device.getGeofenceIds()); } List<Long> newGeofences = new ArrayList<>(currentGeofences); newGeofences.removeAll(oldGeofences); oldGeofences.removeAll(currentGeofences); device.setGeofenceIds(currentGeofences); Collection<Event> events = new ArrayList<>(); try { if (dataManager.getLastEvents(position.getDeviceId(), Event.TYPE_GEOFENCE_ENTER, suppressRepeated).isEmpty()) { for (long geofenceId : newGeofences) { Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId()); event.setGeofenceId(geofenceId); events.add(event); } } } catch (SQLException error) { Log.warning(error); } try { if (dataManager.getLastEvents(position.getDeviceId(), Event.TYPE_GEOFENCE_EXIT, suppressRepeated).isEmpty()) { for (long geofenceId : oldGeofences) { Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId()); event.setGeofenceId(geofenceId); events.add(event); } } } catch (SQLException error) { Log.warning(error); } return events; } }