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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 java.util.List;
import org.traccar.BaseEventHandler;
import org.traccar.Context;
import org.traccar.database.DataManager;
import org.traccar.database.GeofenceManager;
import org.traccar.helper.Log;
import org.traccar.model.Device;
import org.traccar.model.Event;
import org.traccar.model.Position;
public class GeofenceEventHandler extends BaseEventHandler {
private int suppressRepeated;
private GeofenceManager geofenceManager;
private DataManager dataManager;
public GeofenceEventHandler() {
suppressRepeated = Context.getConfig().getInteger("event.suppressRepeated", 60);
geofenceManager = Context.getGeofenceManager();
dataManager = Context.getDataManager();
}
@Override
protected Collection<Event> analyzePosition(Position position) {
Device device = Context.getIdentityManager().getDeviceById(position.getDeviceId());
if (device == null) {
return null;
}
if (position.getId() != device.getPositionId() || !position.getValid()) {
return null;
}
List<Long> currentGeofences = geofenceManager.getCurrentDeviceGeofences(position);
List<Long> oldGeofences = new ArrayList<>();
if (device.getGeofenceIds() != null) {
oldGeofences.addAll(device.getGeofenceIds());
}
List<Long> newGeofences = new ArrayList<>(currentGeofences);
newGeofences.removeAll(oldGeofences);
oldGeofences.removeAll(currentGeofences);
device.setGeofenceIds(currentGeofences);
Collection<Event> events = new ArrayList<>();
try {
if (dataManager.getLastEvents(position.getDeviceId(),
Event.TYPE_GEOFENCE_ENTER, suppressRepeated).isEmpty()) {
for (long geofenceId : newGeofences) {
Event event = new Event(Event.TYPE_GEOFENCE_ENTER, position.getDeviceId(), position.getId());
event.setGeofenceId(geofenceId);
events.add(event);
}
}
} catch (SQLException error) {
Log.warning(error);
}
try {
if (dataManager.getLastEvents(position.getDeviceId(),
Event.TYPE_GEOFENCE_EXIT, suppressRepeated).isEmpty()) {
for (long geofenceId : oldGeofences) {
Event event = new Event(Event.TYPE_GEOFENCE_EXIT, position.getDeviceId(), position.getId());
event.setGeofenceId(geofenceId);
events.add(event);
}
}
} catch (SQLException error) {
Log.warning(error);
}
return events;
}
}
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