/**
* Performs del request.
*
* @param key String key
* @throws KVException with ERROR_NO_SUCH_KEY if key does not exist in store
*/
@Override
public void del(String key) throws KVException {
if (key.length() > MAX_KEY_SIZE) {
KVMessage msg = new KVMessage(KVConstants.RESP, ERROR_NO_SUCH_KEY);
throw new KVException(msg);
}
Lock lock = dataCache.getLock(key);
try {
lock.lock();
dataCache.del(key);
dataStore.del(key);
} finally {
lock.unlock();
}
}
