/**
* Adds the given <tt>HistoryRecord</tt> to the result list of this query and notifies all
* interested listeners that a new record is received.
*
* @param record the <tt>HistoryRecord</tt> to add
*/
void addHistoryRecord(HistoryRecord record) {
historyRecords.add(record);
fireQueryEvent(record);
}
/**
* Adds the given <tt>HistoryQueryListener</tt> to the list of listeners interested in query
* result changes.
*
* @param l the <tt>HistoryQueryListener</tt> to add
*/
public void addHistoryRecordsListener(HistoryQueryListener l) {
synchronized (queryListeners) {
queryListeners.add(l);
}
}