/**
* convert Object to String depending on 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
*/
private Versioned<Object> convertStringToObject(String key, Versioned<String> value) {
Object valueObject = null;
if (CLUSTER_KEY.equals(key)) {
valueObject = clusterMapper.readCluster(new StringReader(value.getValue()));
} else if (STORES_KEY.equals(key)) {
valueObject = storeMapper.readStoreList(new StringReader(value.getValue()));
} else if (SERVER_STATE_KEY.equals(key) || CLUSTER_STATE_KEY.equals(key)) {
valueObject = VoldemortState.valueOf(value.getValue());
} else if (NODE_ID_KEY.equals(key)) {
valueObject = Integer.parseInt(value.getValue());
} else if (REBALANCING_STEAL_INFO.equals(key)) {
String valueString = value.getValue();
if (valueString.startsWith("[")) {
valueObject = RebalancerState.create(valueString);
} else {
valueObject =
new RebalancerState(Arrays.asList(RebalancePartitionsInfo.create(valueString)));
}
} else {
throw new VoldemortException(
"Unhandled key:'" + key + "' for String to Object serialization.");
}
return new Versioned<Object>(valueObject, value.getVersion());
}
public void cleanRebalancingState(RebalancePartitionsInfo stealInfo) {
synchronized (lock) {
RebalancerState rebalancerState = getRebalancerState();
if (!rebalancerState.remove(stealInfo))
throw new IllegalArgumentException("Couldn't find " + stealInfo + " in " + rebalancerState);
if (rebalancerState.isEmpty()) {
logger.debug("stealInfoList empty, cleaning all rebalancing state");
cleanAllRebalancingState();
} else {
put(REBALANCING_STEAL_INFO, rebalancerState);
initCache(REBALANCING_STEAL_INFO);
}
}
}
/**
* 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());
}