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/*
* Copyright 2016 - 2024 Anton Tananaev (anton@traccar.org)
* Copyright 2016 - 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.HashMap;
import java.util.Map;
import io.netty.channel.ChannelHandler;
import org.traccar.model.Event;
import org.traccar.model.Maintenance;
import org.traccar.model.Position;
import org.traccar.session.cache.CacheManager;
import jakarta.inject.Inject;
import jakarta.inject.Singleton;
@Singleton
@ChannelHandler.Sharable
public class MaintenanceEventHandler extends BaseEventHandler {
private final CacheManager cacheManager;
@Inject
public MaintenanceEventHandler(CacheManager cacheManager) {
this.cacheManager = cacheManager;
}
@Override
protected Map<Event, Position> analyzePosition(Position position) {
Position lastPosition = cacheManager.getPosition(position.getDeviceId());
if (lastPosition == null || position.getFixTime().compareTo(lastPosition.getFixTime()) < 0) {
return null;
}
Map<Event, Position> events = new HashMap<>();
for (Maintenance maintenance : cacheManager.getDeviceObjects(position.getDeviceId(), Maintenance.class)) {
if (maintenance.getPeriod() != 0) {
double oldValue = getValue(lastPosition, maintenance.getType());
double newValue = getValue(position, maintenance.getType());
if (oldValue != 0.0 && newValue != 0.0 && newValue >= maintenance.getStart()) {
if (oldValue < maintenance.getStart()
|| (long) ((oldValue - maintenance.getStart()) / maintenance.getPeriod())
< (long) ((newValue - maintenance.getStart()) / maintenance.getPeriod())) {
Event event = new Event(Event.TYPE_MAINTENANCE, position);
event.setMaintenanceId(maintenance.getId());
event.set(maintenance.getType(), newValue);
events.put(event, position);
}
}
}
}
return events;
}
private double getValue(Position position, String type) {
switch (type) {
case "serverTime":
return position.getServerTime().getTime();
case "deviceTime":
return position.getDeviceTime().getTime();
case "fixTime":
return position.getFixTime().getTime();
default:
return position.getDouble(type);
}
}
}
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