@Override
public int update(String table, String key, HashMap<String, ByteIterator> values) {
for (Map.Entry<String, ByteIterator> entry : values.entrySet()) {
Key kvKey = createKey(table, key, entry.getKey());
Value kvValue = Value.createValue(entry.getValue().toArray());
try {
store.put(kvKey, kvValue);
} catch (FaultException e) {
System.err.println(e);
return ERROR;