/** {@inheritDoc} */
public Object getOnce(Object key, Object aux) throws IOException {
if (key == null) throw new IllegalArgumentException();
final ByteBuffer buf;
synchronized (this) {
buf = m_lruMap.remove(key);
}
if (buf != null) {
final CacheObjectBroker broker = m_cache.getCacheObjectBroker();
buf.position(0);
return broker.decodeFromByteBuffer(buf, aux);
}
return m_cache.readFromStore(key, aux);
}
