Table table = Table.open(Table.SYSTEM_TABLE);
QueryFilter filter = QueryFilter.getIdentityFilter(decorate(ALL_LOCAL_NODE_ID_KEY),
new QueryPath(NODE_ID_CF));
ColumnFamily cf = table.getColumnFamilyStore(NODE_ID_CF).getColumnFamily(filter);
NodeId previous = null;
for (IColumn c : cf.getReverseSortedColumns())
{
if (previous != null)
l.add(new NodeId.NodeIdRecord(previous, c.timestamp()));