/**
* Get a single Interval from the information in this node If the key/timestamp pair cannot be
* found, we return null.
*
* @param key The attribute quark to look for
* @param t The timestamp
* @return The Interval containing the information we want, or null if it wasn't found
* @throws TimeRangeException If 't' is invalid
*/
public HTInterval getRelevantInterval(int key, long t) throws TimeRangeException {
fRwl.readLock().lock();
try {
for (int i = getStartIndexFor(t); i < fIntervals.size(); i++) {
HTInterval curInterval = fIntervals.get(i);
if (curInterval.getAttribute() == key
&& curInterval.getStartTime() <= t
&& curInterval.getEndTime() >= t) {
return curInterval;
}
}
/* We didn't find the relevant information in this node */
return null;
} finally {
fRwl.readLock().unlock();
}
}
