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/*
* Copyright 2016 - 2019 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.handler.events;
import java.util.Collections;
import java.util.Map;
import io.netty.channel.ChannelHandler;
import org.traccar.database.IdentityManager;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
@ChannelHandler.Sharable
public class IgnitionEventHandler extends BaseEventHandler {
private final IdentityManager identityManager;
public IgnitionEventHandler(IdentityManager identityManager) {
this.identityManager = identityManager;
}
@Override
protected Map<Event, Position> analyzePosition(Position position) {
Device device = identityManager.getById(position.getDeviceId());
if (device == null || !identityManager.isLatestPosition(position)) {
return null;
}
Map<Event, Position> result = null;
if (position.getAttributes().containsKey(Position.KEY_IGNITION)) {
boolean ignition = position.getBoolean(Position.KEY_IGNITION);
Position lastPosition = identityManager.getLastPosition(position.getDeviceId());
if (lastPosition != null && lastPosition.getAttributes().containsKey(Position.KEY_IGNITION)) {
boolean oldIgnition = lastPosition.getBoolean(Position.KEY_IGNITION);
if (ignition && !oldIgnition) {
result = Collections.singletonMap(
new Event(Event.TYPE_IGNITION_ON, position), position);
} else if (!ignition && oldIgnition) {
result = Collections.singletonMap(
new Event(Event.TYPE_IGNITION_OFF, position), position);
}
}
}
return result;
}
}
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