return this.add(key, raw, FOREVER);
}
public boolean add(String key, byte[] raw, int exp) throws KeyValueStoreClientException {
if (!isAlive()) {
throw(new KeyValueStoreClientException(new IllegalStateException("client not established")));
}
boolean notExists = false;
synchronized(data) {
notExists = !data.containsKey(key);
if (notExists) {