void WriteHeaderToIndexForStream(RecordHeader header, Dictionary <RecordKey, RecordHeader> index,
Stream stream)
{
var key = new RecordKey(header.Table, header.Key);
if (header.Action == StorageActions.Store)
{
if (!index.ContainsKey(key))
{
index.Add(key, header);
}
else
{
index[key] = header;
}
stream.MovePositionForward(header.RecordSize);
}
else if (header.Action == StorageActions.Delete)
{
if (index.ContainsKey(key))
{
index.Remove(key);
}
}
}
public byte[] Read(string table, string itemKey)
{
var key = new RecordKey(table, itemKey);
if (_indexes.ContainsKey(key))
{
RecordHeader header = _indexes[key];
return(ReadFromStream(_dataStream, header));
}
return(null);
}