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/*
* Copyright 2016 Anton Tananaev (anton@traccar.org)
* Copyright 2016 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.ArrayList;
import java.util.Collection;
import org.traccar.BaseEventHandler;
import org.traccar.Context;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class MaintenanceEventHandler extends BaseEventHandler {
public static final String ATTRIBUTE_MAINTENANCE_START = "maintenance.start";
public static final String ATTRIBUTE_MAINTENANCE_INTERVAL = "maintenance.interval";
@Override
protected Collection<Event> analyzePosition(Position position) {
Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId());
if (device == null || !Context.getIdentityManager().isLatestPosition(position)) {
return null;
}
double maintenanceInterval = Context.getDeviceManager()
.lookupAttributeDouble(device.getId(), ATTRIBUTE_MAINTENANCE_INTERVAL, 0, false);
if (maintenanceInterval == 0) {
return null;
}
double maintenanceStart = Context.getDeviceManager()
.lookupAttributeDouble(device.getId(), ATTRIBUTE_MAINTENANCE_START, 0, false);
Collection<Event> events = new ArrayList<>();
double oldTotalDistance = 0.0;
double newTotalDistance = 0.0;
Position lastPosition = Context.getIdentityManager().getLastPosition(position.getDeviceId());
if (lastPosition != null) {
oldTotalDistance = lastPosition.getDouble(Position.KEY_TOTAL_DISTANCE);
}
newTotalDistance = position.getDouble(Position.KEY_TOTAL_DISTANCE);
oldTotalDistance -= maintenanceStart;
newTotalDistance -= maintenanceStart;
if ((long) (oldTotalDistance / maintenanceInterval) < (long) (newTotalDistance / maintenanceInterval)) {
events.add(new Event(Event.TYPE_MAINTENANCE_NEEDED, position.getDeviceId(), position.getId()));
}
return events;
}
}
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