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Diffstat (limited to 'src/org/traccar/handler/events/OverspeedEventHandler.java')
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diff --git a/src/org/traccar/handler/events/OverspeedEventHandler.java b/src/org/traccar/handler/events/OverspeedEventHandler.java
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+/*
+ * 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<Event, Position> 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<Event, Position> updateOverspeedState(DeviceState deviceState, double speedLimit) {
+ Map<Event, Position> 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<Event, Position> updateOverspeedState(
+ DeviceState deviceState, Position position, double speedLimit, long geofenceId) {
+ Map<Event, Position> 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<Event, Position> 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<Event, Position> 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;
+ }
+
+}