public IEnumerable <Triple> OS(TripleObject o, string s)
{
var oh = KeySegments.GetNameOKeyObjectSubject(_name, o, s);
var startS = KeyConfig.ConcatBytes(oh, KeyConfig.ByteZero);
var endS = KeyConfig.ConcatBytes(oh, KeyConfig.ByteOne);
return(new RocksEnumerable(_db, startS, endS, (Iterator it) => { return it.Next(); }));
}
public IEnumerable <Triple> OS(TripleObject o, string s, Triple c)
{
if (c == null)
{
return(OS(o, s));
}
var oh = KeySegments.GetNameOKeyObjectSubject(_name, o, s);
var startS = KeyConfig.ConcatBytes(oh, KeyConfig.ByteZero);
var endS = KeyConfig.ConcatBytes(oh, KeyConfig.ByteOne);
var(_, _, oKey) = new KeySegments(_name, c).GetKeys();
var continuation = KeyConfig.ConcatBytes(oKey, KeyConfig.ByteOne);
if (KeyConfig.ByteCompare(continuation, startS) < 0)
{
throw new InvalidOperationException("Invalid continuation token. Before range");
}
else if (KeyConfig.ByteCompare(continuation, endS) > 0)
{
return(Enumerable.Empty <Triple>());
}
return(new RocksEnumerable(_db, continuation, endS, (Iterator it) => { return it.Next(); }));
}