public object Get(ulong oid)
{
WeakReference weakObj;
if (_objCache.TryGetValue(oid, out weakObj))
{
var o = weakObj.Target;
if (o != null)
{
return(o);
}
}
bool taken = false;
try
{
_keyValueTrProtector.Start(ref taken);
_keyValueTr.SetKeyPrefix(ObjectDB.AllObjectsPrefix);
if (!_keyValueTr.FindExactKey(BuildKeyFromOid(oid)))
{
return(null);
}
TableInfo tableInfo;
var reader = ReadObjStart(oid, out tableInfo);
return(ReadObjFinish(oid, tableInfo, reader));
}
finally
{
if (taken)
{
_keyValueTrProtector.Stop();
}
}
}
object GetDirectlyFromStorage(ulong oid)
{
_keyValueTrProtector.Start();
_keyValueTr.SetKeyPrefix(ObjectDB.AllObjectsPrefix);
if (!_keyValueTr.FindExactKey(BuildKeyFromOid(oid)))
{
return(null);
}
TableInfo tableInfo;
var reader = ReadObjStart(oid, out tableInfo);
return(ReadObjFinish(oid, tableInfo, reader));
}
void MarkLastDictId()
{
_trkv.SetKeyPrefixUnsafe(null);
if (_trkv.FindExactKey(ObjectDB.LastDictIdKey))
{
_fastVisitor.MarkCurrentKeyAsUsed(_trkv);
}
}
public bool ContainsKey(TKey key)
{
var keyBytes = KeyToByteArray(key);
_keyValueTrProtector.Start();
_keyValueTr.SetKeyPrefix(_prefix);
return(_keyValueTr.FindExactKey(keyBytes));
}
public void IterateOid(ulong oid)
{
if (!SkipAlreadyVisitedOidChecks && !_visitedOids.Add(oid))
{
return;
}
if (!_trkv.FindExactKey(Vuint2ByteBuffer(ObjectDB.AllObjectsPrefix, oid)))
{
return; // Object oid was deleted
}
_fastVisitor.MarkCurrentKeyAsUsed(_trkv);
var reader = new SpanReader(_trkv.GetValue());
var tableId = reader.ReadVUInt32();
var version = reader.ReadVUInt32();
MarkTableIdVersionFieldInfo(tableId, version);
if (_visitor != null && !_visitor.StartObject(oid, tableId, _tableId2Name.TryGetValue(tableId, out var tableName) ? tableName : null, version))
{
return;
}
var tvi = GetTableVersionInfo(tableId, version);
var knownInlineId = new HashSet <int>();
for (var i = 0; i < tvi.FieldCount; i++)
{
var fi = tvi[i];
if (_visitor == null || _visitor.StartField(fi.Name))
{
IterateHandler(ref reader, fi.Handler !, false, knownInlineId);
_visitor?.EndField();
}
else
{
IterateHandler(ref reader, fi.Handler !, true, knownInlineId);
}
}
_visitor?.EndObject();
}
public KeyValuePair <uint, uint> QuerySizeByKey(TKey key)
{
var keyBytes = KeyToByteArray(key);
var found = _keyValueTr.FindExactKey(keyBytes);
if (!found)
{
throw new ArgumentException("Key not found in Set");
}
var size = _keyValueTr.GetStorageSizeOfCurrentKey();
return(size);
}
