From 08754125ed5d152efe29926728033da3658c69fc Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Wed, 27 Feb 2019 23:02:41 -0800 Subject: Move events handler classes --- .../handler/events/OverspeedEventHandler.java | 156 +++++++++++++++++++++ 1 file changed, 156 insertions(+) create mode 100644 src/org/traccar/handler/events/OverspeedEventHandler.java (limited to 'src/org/traccar/handler/events/OverspeedEventHandler.java') diff --git a/src/org/traccar/handler/events/OverspeedEventHandler.java b/src/org/traccar/handler/events/OverspeedEventHandler.java new file mode 100644 index 000000000..567758de5 --- /dev/null +++ b/src/org/traccar/handler/events/OverspeedEventHandler.java @@ -0,0 +1,156 @@ +/* + * Copyright 2016 - 2018 Anton Tananaev (anton@traccar.org) + * Copyright 2018 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.handler.events; + +import java.util.Collections; +import java.util.Map; + +import io.netty.channel.ChannelHandler; +import org.traccar.BaseEventHandler; +import org.traccar.Context; +import org.traccar.model.Device; +import org.traccar.model.DeviceState; +import org.traccar.model.Event; +import org.traccar.model.Geofence; +import org.traccar.model.Position; + +@ChannelHandler.Sharable +public class OverspeedEventHandler extends BaseEventHandler { + + public static final String ATTRIBUTE_SPEED_LIMIT = "speedLimit"; + + private boolean notRepeat; + private boolean preferLowest; + private long minimalDuration; + + public OverspeedEventHandler(long minimalDuration, boolean notRepeat, boolean preferLowest) { + this.notRepeat = notRepeat; + this.minimalDuration = minimalDuration; + this.preferLowest = preferLowest; + } + + private Map newEvent(DeviceState deviceState, double speedLimit) { + Position position = deviceState.getOverspeedPosition(); + Event event = new Event(Event.TYPE_DEVICE_OVERSPEED, position.getDeviceId(), position.getId()); + event.set("speed", deviceState.getOverspeedPosition().getSpeed()); + event.set(ATTRIBUTE_SPEED_LIMIT, speedLimit); + event.setGeofenceId(deviceState.getOverspeedGeofenceId()); + deviceState.setOverspeedState(notRepeat); + deviceState.setOverspeedPosition(null); + deviceState.setOverspeedGeofenceId(0); + return Collections.singletonMap(event, position); + } + + public Map updateOverspeedState(DeviceState deviceState, double speedLimit) { + Map result = null; + if (deviceState.getOverspeedState() != null && !deviceState.getOverspeedState() + && deviceState.getOverspeedPosition() != null && speedLimit != 0) { + long currentTime = System.currentTimeMillis(); + Position overspeedPosition = deviceState.getOverspeedPosition(); + long overspeedTime = overspeedPosition.getFixTime().getTime(); + if (overspeedTime + minimalDuration <= currentTime) { + result = newEvent(deviceState, speedLimit); + } + } + return result; + } + + public Map updateOverspeedState( + DeviceState deviceState, Position position, double speedLimit, long geofenceId) { + Map result = null; + + Boolean oldOverspeed = deviceState.getOverspeedState(); + + long currentTime = position.getFixTime().getTime(); + boolean newOverspeed = position.getSpeed() > speedLimit; + if (newOverspeed && !oldOverspeed) { + if (deviceState.getOverspeedPosition() == null) { + deviceState.setOverspeedPosition(position); + deviceState.setOverspeedGeofenceId(geofenceId); + } + } else if (oldOverspeed && !newOverspeed) { + deviceState.setOverspeedState(false); + deviceState.setOverspeedPosition(null); + deviceState.setOverspeedGeofenceId(0); + } else { + deviceState.setOverspeedPosition(null); + deviceState.setOverspeedGeofenceId(0); + } + Position overspeedPosition = deviceState.getOverspeedPosition(); + if (overspeedPosition != null) { + long overspeedTime = overspeedPosition.getFixTime().getTime(); + if (newOverspeed && overspeedTime + minimalDuration <= currentTime) { + result = newEvent(deviceState, speedLimit); + } + } + return result; + } + + @Override + protected Map analyzePosition(Position position) { + + long deviceId = position.getDeviceId(); + Device device = Context.getIdentityManager().getById(deviceId); + if (device == null) { + return null; + } + if (!Context.getIdentityManager().isLatestPosition(position) || !position.getValid()) { + return null; + } + + double speedLimit = Context.getDeviceManager().lookupAttributeDouble(deviceId, ATTRIBUTE_SPEED_LIMIT, 0, false); + + double geofenceSpeedLimit = 0; + long overspeedGeofenceId = 0; + + if (Context.getGeofenceManager() != null && device.getGeofenceIds() != null) { + for (long geofenceId : device.getGeofenceIds()) { + Geofence geofence = Context.getGeofenceManager().getById(geofenceId); + if (geofence != null) { + double currentSpeedLimit = geofence.getDouble(ATTRIBUTE_SPEED_LIMIT); + if (currentSpeedLimit > 0 && geofenceSpeedLimit == 0 + || preferLowest && currentSpeedLimit < geofenceSpeedLimit + || !preferLowest && currentSpeedLimit > geofenceSpeedLimit) { + geofenceSpeedLimit = currentSpeedLimit; + overspeedGeofenceId = geofenceId; + } + } + } + } + if (geofenceSpeedLimit > 0) { + speedLimit = geofenceSpeedLimit; + } + + if (speedLimit == 0) { + return null; + } + + Map result = null; + DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId); + + if (deviceState.getOverspeedState() == null) { + deviceState.setOverspeedState(position.getSpeed() > speedLimit); + deviceState.setOverspeedGeofenceId(position.getSpeed() > speedLimit ? overspeedGeofenceId : 0); + } else { + result = updateOverspeedState(deviceState, position, speedLimit, overspeedGeofenceId); + } + + Context.getDeviceManager().setDeviceState(deviceId, deviceState); + return result; + } + +} -- cgit v1.2.3