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/*
* Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
*
* 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.sql.SQLException;
import java.util.ArrayList;
import java.util.Collection;
import org.traccar.BaseEventHandler;
import org.traccar.Context;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class MotionEventHandler extends BaseEventHandler {
private static final double SPEED_THRESHOLD = 0.01;
private int suppressRepeated;
public MotionEventHandler() {
suppressRepeated = Context.getConfig().getInteger("event.suppressRepeated", 60);
}
@Override
protected Collection<Event> analyzePosition(Position position) {
Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId());
if (device == null) {
return null;
}
if (!Context.getDeviceManager().isLatestPosition(position) || !position.getValid()) {
return null;
}
Collection<Event> result = null;
double speed = position.getSpeed();
double oldSpeed = 0;
Position lastPosition = Context.getDeviceManager().getLastPosition(position.getDeviceId());
if (lastPosition != null) {
oldSpeed = lastPosition.getSpeed();
}
try {
if (speed > SPEED_THRESHOLD && oldSpeed <= SPEED_THRESHOLD) {
result = new ArrayList<>();
result.add(new Event(Event.TYPE_DEVICE_MOVING, position.getDeviceId(), position.getId()));
} else if (speed <= SPEED_THRESHOLD && oldSpeed > SPEED_THRESHOLD) {
result = new ArrayList<>();
result.add(new Event(Event.TYPE_DEVICE_STOPPED, position.getDeviceId(), position.getId()));
}
if (result != null && !result.isEmpty()) {
for (Event event : result) {
if (!Context.getDataManager().getLastEvents(position.getDeviceId(),
event.getType(), suppressRepeated).isEmpty()) {
event = null;
}
}
}
} catch (SQLException error) {
Log.warning(error);
}
return result;
}
}
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