From a7288edd54744fca8c62468ad41b6194ab104c6f Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Tue, 10 Aug 2021 20:44:12 -0700 Subject: Add driver behavior events --- .../handler/events/BehaviorEventHandler.java | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/main/java/org/traccar/handler/events/BehaviorEventHandler.java (limited to 'src/main/java/org/traccar/handler') diff --git a/src/main/java/org/traccar/handler/events/BehaviorEventHandler.java b/src/main/java/org/traccar/handler/events/BehaviorEventHandler.java new file mode 100644 index 000000000..47f5def09 --- /dev/null +++ b/src/main/java/org/traccar/handler/events/BehaviorEventHandler.java @@ -0,0 +1,63 @@ +/* + * Copyright 2020 Anton Tananaev (anton@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 io.netty.channel.ChannelHandler; +import org.traccar.config.Config; +import org.traccar.config.Keys; +import org.traccar.database.IdentityManager; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Event; +import org.traccar.model.Position; + +import java.util.Collections; +import java.util.Map; + +@ChannelHandler.Sharable +public class BehaviorEventHandler extends BaseEventHandler { + + private final double accelerationThreshold; + private final double brakingThreshold; + + private final IdentityManager identityManager; + + public BehaviorEventHandler(Config config, IdentityManager identityManager) { + accelerationThreshold = config.getDouble(Keys.EVENT_BEHAVIOR_ACCELERATION_THRESHOLD); + brakingThreshold = config.getDouble(Keys.EVENT_BEHAVIOR_BRAKING_THRESHOLD); + this.identityManager = identityManager; + } + + @Override + protected Map analyzePosition(Position position) { + + Position lastPosition = identityManager.getLastPosition(position.getDeviceId()); + if (lastPosition != null) { + double acceleration = UnitsConverter.mpsFromKnots(position.getSpeed() - lastPosition.getSpeed()) * 1000 + / (position.getFixTime().getTime() - lastPosition.getFixTime().getTime()); + if (accelerationThreshold != 0 && acceleration >= accelerationThreshold) { + Event event = new Event(Event.TYPE_ALARM, position); + event.set(Position.KEY_ALARM, Position.ALARM_ACCELERATION); + return Collections.singletonMap(event, position); + } else if (brakingThreshold != 0 && acceleration <= -brakingThreshold) { + Event event = new Event(Event.TYPE_ALARM, position); + event.set(Position.KEY_ALARM, Position.ALARM_BRAKING); + return Collections.singletonMap(event, position); + } + } + return null; + } + +} -- cgit v1.2.3