@Override
public PersistenceObject load(
PersistenceManagementEvent persistenceManagementEvent, String nodeId) {
List<NodeSnapshot> list = new ArrayList<NodeSnapshot>();
ColumnSlice<String, byte[]> cs;
SliceQuery<String, String, byte[]> q = HFactory.createSliceQuery(keyspace, sser, sser, bser);
q.setColumnFamily(COLUMN_FAMILY_NAME)
.setKey(persistenceManagementEvent.getRevision())
.setRange("", "", false, 1000)
.setColumnNames(nodeId);
QueryResult<ColumnSlice<String, byte[]>> r = q.execute();
cs = r.get();
PersistenceObject persistenceObject = null;
for (HColumn<String, byte[]> hc : cs.getColumns()) {
persistenceObject = (PersistenceObject) ByteSerializer.BToO(hc.getValue());
// list.add(new NodeSnapshot(hc.getName(), hc.getValue()));
}
// return list;
return persistenceObject;
}
@Override
public void save(
PersistenceManagementEvent persistenceManagementEvent,
String nodeID,
PersistenceObject persistenceObject) {
Mutator<String> mutator = HFactory.createMutator(keyspace, sser);
mutator.insert(
persistenceManagementEvent.getRevision(),
COLUMN_FAMILY_NAME,
HFactory.createColumn(nodeID, ByteSerializer.OToB(persistenceObject), sser, bser));
mutator.insert(
persistenceManagementEvent.getExecutionPlanIdentifier(),
INDEX_COLUMN_FAMILY_NAME,
HFactory.createColumn(
persistenceManagementEvent.getRevision(),
String.valueOf(System.currentTimeMillis()),
sser,
sser));
mutator.execute();
}