private String[] readEvents() {
List<String> strings = new ArrayList<String>();
for (EventTransaction tr : persistence.getEventsFromFile()) {
strings.add((String) tr.getEvent());
}
return strings.toArray(new String[] {});
}
private void addEvent(String stringEvent) {
EventTransaction event = new EventTransaction((long) 0, stringEvent);
persistence.writeEvent(event);
}