// ReSharper disable once UnusedMember.Global
public static void DoSave(IWriterCtx ctx, IOrderedSet <TKey>?dictionary, int cfgId)
{
var writerCtx = (IDBWriterCtx)ctx;
if (!(dictionary is ODBSet <TKey> goodDict))
{
var tr = writerCtx.GetTransaction();
var id = tr.AllocateDictionaryId();
goodDict = new ODBSet <TKey>(tr, (ODBDictionaryConfiguration)writerCtx.FindInstance(cfgId), id);
if (dictionary != null)
{
foreach (var pair in dictionary)
{
goodDict.Add(pair);
}
}
}
ctx.Writer().WriteVUInt64(goodDict._id);
}
public AdvancedEnumerator(ODBSet <TKey> owner, AdvancedEnumeratorParam <TKey> param)
{
_owner = owner;
_keyValueTr = _owner._keyValueTr;
_ascending = param.Order == EnumerationOrder.Ascending;
_prevModificationCounter = _owner._modificationCounter;
_prevProtectionCounter = _keyValueTr.CursorMovedCounter;
_keyValueTr.FindFirstKey(_owner._prefix);
var prefixIndex = _keyValueTr.GetKeyIndex();
long startIndex;
long endIndex;
if (param.EndProposition == KeyProposition.Ignored)
{
_keyValueTr.FindLastKey(_owner._prefix);
endIndex = _keyValueTr.GetKeyIndex() - prefixIndex - 1;
}
else
{
var keyBytes = _owner.KeyToByteArray(param.End);
switch (_keyValueTr.Find(keyBytes, (uint)_owner._prefix.Length))
{
case FindResult.Exact:
endIndex = _keyValueTr.GetKeyIndex() - prefixIndex;
if (param.EndProposition == KeyProposition.Excluded)
{
endIndex--;
}
break;
case FindResult.Previous:
endIndex = _keyValueTr.GetKeyIndex() - prefixIndex;
break;
case FindResult.Next:
endIndex = _keyValueTr.GetKeyIndex() - prefixIndex - 1;
break;
case FindResult.NotFound:
endIndex = -1;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (param.StartProposition == KeyProposition.Ignored)
{
startIndex = 0;
}
else
{
var keyBytes = _owner.KeyToByteArray(param.Start);
switch (_keyValueTr.Find(keyBytes, (uint)_owner._prefix.Length))
{
case FindResult.Exact:
startIndex = _keyValueTr.GetKeyIndex() - prefixIndex;
if (param.StartProposition == KeyProposition.Excluded)
{
startIndex++;
}
break;
case FindResult.Previous:
startIndex = _keyValueTr.GetKeyIndex() - prefixIndex + 1;
break;
case FindResult.Next:
startIndex = _keyValueTr.GetKeyIndex() - prefixIndex;
break;
case FindResult.NotFound:
startIndex = 0;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
_count = (uint)Math.Max(0, endIndex - startIndex + 1);
_startPos = (uint)(_ascending ? startIndex : endIndex);
_pos = 0;
_seekState = SeekState.Undefined;
}