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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.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) {
if (!isLastPosition() || !position.getValid()) {
return null;
}
if (getDevice() == null) {
return null;
}
List<Long> currentGeofences = geofenceManager.getCurrentDeviceGeofences(position);
List<Long> oldGeofences = new ArrayList<Long>();
if (getDevice().getGeofenceIds() != null) {
oldGeofences.addAll(getDevice().getGeofenceIds());
}
List<Long> newGeofences = new ArrayList<Long>(currentGeofences);
newGeofences.removeAll(oldGeofences);
oldGeofences.removeAll(currentGeofences);
getDevice().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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