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/*
* Copyright 2016 - 2022 Anton Tananaev (anton@traccar.org)
* Copyright 2017 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 io.netty.channel.ChannelHandler;
import org.traccar.helper.model.PositionUtil;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
import org.traccar.reports.common.TripsConfig;
import org.traccar.session.ConnectionManager;
import org.traccar.session.DeviceState;
import org.traccar.session.cache.CacheManager;
import javax.inject.Inject;
import java.util.Collections;
import java.util.Map;
@ChannelHandler.Sharable
public class MotionEventHandler extends BaseEventHandler {
private final CacheManager cacheManager;
private final ConnectionManager connectionManager;
private final TripsConfig tripsConfig;
@Inject
public MotionEventHandler(
CacheManager cacheManager, ConnectionManager connectionManager, TripsConfig tripsConfig) {
this.cacheManager = cacheManager;
this.connectionManager = connectionManager;
this.tripsConfig = tripsConfig;
}
public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position, boolean newState) {
boolean oldState = deviceState.getMotionState();
if (oldState == newState) {
if (deviceState.getMotionTime() != null) {
long oldTime = deviceState.getMotionTime().getTime();
long newTime = position.getFixTime().getTime();
double distance = position.getDouble(Position.KEY_TOTAL_DISTANCE) - deviceState.getMotionDistance();
Boolean ignition = null;
if (tripsConfig.getUseIgnition() && position.hasAttribute(Position.KEY_IGNITION)) {
ignition = position.getBoolean(Position.KEY_IGNITION);
}
boolean generateEvent = false;
if (newState) {
if (newTime - oldTime >= tripsConfig.getMinimalTripDuration()
|| distance >= tripsConfig.getMinimalTripDistance()) {
generateEvent = true;
}
} else {
if (newTime - oldTime >= tripsConfig.getMinimalParkingDuration()
|| ignition != null && !ignition) {
generateEvent = true;
}
}
if (generateEvent) {
String eventType = newState ? Event.TYPE_DEVICE_MOVING : Event.TYPE_DEVICE_STOPPED;
Event event = new Event(eventType, position);
deviceState.setMotionTime(null);
deviceState.setMotionDistance(0);
return Collections.singletonMap(event, position);
}
}
} else {
deviceState.setMotionState(newState);
deviceState.setMotionTime(position.getFixTime());
deviceState.setMotionDistance(position.getDouble(Position.KEY_TOTAL_DISTANCE));
}
return null;
}
@Override
protected Map<Event, Position> analyzePosition(Position position) {
long deviceId = position.getDeviceId();
Device device = cacheManager.getObject(Device.class, deviceId);
if (device == null) {
return null;
}
if (!PositionUtil.isLatest(cacheManager, position)
|| !tripsConfig.getProcessInvalidPositions() && !position.getValid()) {
return null;
}
DeviceState deviceState = connectionManager.getDeviceState(deviceId);
var result = updateMotionState(deviceState, position, position.getBoolean(Position.KEY_MOTION));
connectionManager.setDeviceState(deviceId, deviceState);
return result;
}
}
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