/** This method is simple get without any loading behavior */
@SuppressWarnings("unchecked")
@Override
public synchronized V get(Object key) {
Pair<Long, V> pair = this.map.get(key);
if (pair == null) {
if (cacheLoader != null) {
load((K) key, true, true);
pair = this.map.get(key);
} else {
return null;
}
}
if (expiresInSecs > 0
&& TimeUtils.getCurrentTimeMillis() - pair.getFirst() > expiresInSecs * 1000) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("expiring " + key);
}
map.remove(key);
if (cacheLoader != null) {
load((K) key, false, true);
}
}
return pair.getSecond();
}
@Override
public synchronized V put(K key, V value) {
Pair<Long, V> previous =
map.put(key, new Pair<Long, V>(TimeUtils.getCurrentTimeMillis(), value));
return previous != null ? previous.getSecond() : null;
}