/**
* Return an instance of the QueryTracker
*
* @param con connection to the database
* @param trackQueue the queue where the tracks are temporary stored
* @return QueryTracker the query tracker
*/
public static QueryTracker getInstance(Connection con, Queue<Track> trackQueue) {
if (queryTracker == null) {
queryTracker = new QueryTracker(con, trackQueue);
try {
queryTracker.createTrackerTable(con);
} catch (Exception e) {
LOG.error("Error creating the table associated to the QueryTracker" + e);
}
}
return queryTracker;
}
