/**
* Converts Object to byte[] depending on the key
*
* <p>StoreRepository takes only StorageEngine<ByteArray,byte[]> and for persistence on disk we
* need to convert them to String.<br>
*
* @param key
* @param value
* @return
*/
@SuppressWarnings("unchecked")
private Versioned<String> convertObjectToString(String key, Versioned<Object> value) {
String valueStr = value.getValue().toString();
if (CLUSTER_KEY.equals(key)) {
valueStr = clusterMapper.writeCluster((Cluster) value.getValue());
} else if (STORES_KEY.equals(key)) {
valueStr = storeMapper.writeStoreList((List<StoreDefinition>) value.getValue());
} else if (REBALANCING_STEAL_INFO.equals(key)) {
RebalancerState rebalancerState = (RebalancerState) value.getValue();
valueStr = rebalancerState.toJsonString();
} else if (SERVER_STATE_KEY.equals(key)
|| CLUSTER_STATE_KEY.equals(key)
|| NODE_ID_KEY.equals(key)) {
valueStr = value.getValue().toString();
} else {
throw new VoldemortException(
"Unhandled key:'" + key + "' for Object to String serialization.");
}
return new Versioned<String>(valueStr, value.getVersion());
}
