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/*
* Copyright 2016 - 2017 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.events;
import java.util.Collections;
import java.util.Map;
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.Position;
import org.traccar.reports.ReportUtils;
import org.traccar.reports.model.TripsConfig;
public class MotionEventHandler extends BaseEventHandler {
private TripsConfig tripsConfig;
public MotionEventHandler(TripsConfig tripsConfig) {
this.tripsConfig = tripsConfig;
}
private Map<Event, Position> newEvent(DeviceState deviceState, boolean newMotion) {
String eventType = newMotion ? Event.TYPE_DEVICE_MOVING : Event.TYPE_DEVICE_STOPPED;
Position position = deviceState.getMotionPosition();
Event event = new Event(eventType, position.getDeviceId(), position.getId());
deviceState.setMotionState(newMotion);
deviceState.setMotionPosition(null);
return Collections.singletonMap(event, position);
}
public Map<Event, Position> updateMotionState(DeviceState deviceState) {
Map<Event, Position> result = null;
if (deviceState.getMotionState() != null && deviceState.getMotionPosition() != null) {
boolean newMotion = !deviceState.getMotionState();
Position motionPosition = deviceState.getMotionPosition();
long currentTime = System.currentTimeMillis();
long motionTime = motionPosition.getFixTime().getTime()
+ (newMotion ? tripsConfig.getMinimalTripDuration() : tripsConfig.getMinimalParkingDuration());
if (motionTime <= currentTime) {
result = newEvent(deviceState, newMotion);
}
}
return result;
}
public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position) {
return updateMotionState(deviceState, position, position.getBoolean(Position.KEY_MOTION));
}
public Map<Event, Position> updateMotionState(DeviceState deviceState, Position position, boolean newMotion) {
Map<Event, Position> result = null;
Boolean oldMotion = deviceState.getMotionState();
long currentTime = position.getFixTime().getTime();
if (newMotion != oldMotion) {
if (deviceState.getMotionPosition() == null) {
deviceState.setMotionPosition(position);
}
} else {
deviceState.setMotionPosition(null);
}
Position motionPosition = deviceState.getMotionPosition();
if (motionPosition != null) {
long motionTime = motionPosition.getFixTime().getTime();
double distance = ReportUtils.calculateDistance(motionPosition, position, false);
Boolean ignition = null;
if (tripsConfig.getUseIgnition()
&& position.getAttributes().containsKey(Position.KEY_IGNITION)) {
ignition = position.getBoolean(Position.KEY_IGNITION);
}
if (newMotion) {
if (motionTime + tripsConfig.getMinimalTripDuration() <= currentTime
|| distance >= tripsConfig.getMinimalTripDistance()) {
result = newEvent(deviceState, newMotion);
}
} else {
if (motionTime + tripsConfig.getMinimalParkingDuration() <= currentTime
|| ignition != null && !ignition) {
result = newEvent(deviceState, newMotion);
}
}
}
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)
|| !tripsConfig.getProcessInvalidPositions() && !position.getValid()) {
return null;
}
Map<Event, Position> result = null;
DeviceState deviceState = Context.getDeviceManager().getDeviceState(deviceId);
if (deviceState.getMotionState() == null) {
deviceState.setMotionState(position.getBoolean(Position.KEY_MOTION));
} else {
result = updateMotionState(deviceState, position);
}
Context.getDeviceManager().setDeviceState(deviceId, deviceState);
return result;
}
}
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