public void run() {
while (RUNNING) {
try {
Thread.sleep(400000000);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if (SESSIONS.size() != 0) {
for (String key : SESSIONS.keySet()) {
IndividualRecommender rec = SESSIONS.get(key);
String stamp = Pattern.quote(rec.getTimestamp()).split("\\.")[0].substring(2);
SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
Date lastUpdateTime;
try {
lastUpdateTime = formatter.parse(stamp);
Date today = new Date();
if ((today.getTime() - lastUpdateTime.getTime()) >= MILLISECONDS.convert(20, DAYS)) {
SESSIONS.remove(key);
}
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
@Override
public void createNewIndividualServer(String key) {
if (key != null) {
if (SESSIONS.get(key) == null) {
SESSIONS.put(key, IndividualRecommender.createNewIndividualServer(this.dataSource));
}
}
}
private boolean updateDataModel(IndividualRecommender rec, String key) {
rec.updateDataModel(key);
return rec.getRefreshed();
}