/* * 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 org.traccar.BaseEventHandler; import org.traccar.Context; import org.traccar.helper.Log; import org.traccar.model.Device; import org.traccar.model.Event; import org.traccar.model.Position; public class MotionEventHandler extends BaseEventHandler { private static final double SPEED_THRESHOLD = 0.01; private int suppressRepeated; public MotionEventHandler() { suppressRepeated = Context.getConfig().getInteger("event.suppressRepeated", 60); } @Override protected Collection<Event> analyzePosition(Position position) { Device device = Context.getDataManager().getDeviceById(position.getDeviceId()); if (device == null) { return null; } if (position.getId() != device.getPositionId() || !position.getValid()) { return null; } Collection<Event> result = null; double speed = position.getSpeed(); boolean valid = position.getValid(); String motion = device.getMotion(); if (motion == null) { motion = Device.STATUS_STOPPED; } if (valid && speed > SPEED_THRESHOLD && !motion.equals(Device.STATUS_MOVING)) { Context.getConnectionManager().updateDevice(position.getDeviceId(), Device.STATUS_MOVING, null); result = new ArrayList<>(); result.add(new Event(Event.TYPE_DEVICE_MOVING, position.getDeviceId(), position.getId())); } else if (valid && speed < SPEED_THRESHOLD && motion.equals(Device.STATUS_MOVING)) { Context.getConnectionManager().updateDevice(position.getDeviceId(), Device.STATUS_STOPPED, null); result = new ArrayList<>(); result.add(new Event(Event.TYPE_DEVICE_STOPPED, position.getDeviceId(), position.getId())); } try { if (result != null && !result.isEmpty()) { for (Event event : result) { if (!Context.getDataManager().getLastEvents(position.getDeviceId(), event.getType(), suppressRepeated).isEmpty()) { event = null; } } } } catch (SQLException error) { Log.warning(error); } return result; } }