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/*
* Copyright 2016 - 2018 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.database.IdentityManager;
import org.traccar.database.MaintenancesManager;
import org.traccar.model.Event;
import org.traccar.model.Maintenance;
import org.traccar.model.Position;
@ChannelHandler.Sharable
public class MaintenanceEventHandler extends BaseEventHandler {
private final IdentityManager identityManager;
private final MaintenancesManager maintenancesManager;
public MaintenanceEventHandler(IdentityManager identityManager, MaintenancesManager maintenancesManager) {
this.identityManager = identityManager;
this.maintenancesManager = maintenancesManager;
}
@Override
protected Map<Event, Position> analyzePosition(Position position) {
if (identityManager.getById(position.getDeviceId()) == null
|| !identityManager.isLatestPosition(position)) {
return null;
}
Position lastPosition = identityManager.getLastPosition(position.getDeviceId());
if (lastPosition == null) {
return null;
}
Map<Event, Position> events = new HashMap<>();
for (long maintenanceId : maintenancesManager.getAllDeviceItems(position.getDeviceId())) {
Maintenance maintenance = maintenancesManager.getById(maintenanceId);
if (maintenance.getPeriod() != 0) {
double oldValue = lastPosition.getDouble(maintenance.getType());
double newValue = position.getDouble(maintenance.getType());
if (oldValue != 0.0 && newValue != 0.0
&& (long) ((oldValue - maintenance.getStart()) / maintenance.getPeriod())
< (long) ((newValue - maintenance.getStart()) / maintenance.getPeriod())) {
Event event = new Event(Event.TYPE_MAINTENANCE, position);
event.setMaintenanceId(maintenanceId);
event.set(maintenance.getType(), newValue);
events.put(event, position);
}
}
}
return events;
}
}
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