public void CreateDb(params Rec[] records) { if (DbRes != null) { DbRes.Db.Close(); } var indexDirectory = GetFilePathFor("index"); _logFormat = LogFormatHelper <TLogFormat, TStreamId> .LogFormatFactory.Create(new() { IndexDirectory = indexDirectory, }); var dbConfig = TFChunkHelper.CreateSizedDbConfig(PathName, 0, chunkSize: 1024 * 1024); var dbHelper = new TFChunkDbCreationHelper <TLogFormat, TStreamId>(dbConfig, _logFormat); DbRes = dbHelper.Chunk(records).CreateDb(); DbRes.Db.Config.WriterCheckpoint.Flush(); DbRes.Db.Config.ChaserCheckpoint.Write(DbRes.Db.Config.WriterCheckpoint.Read()); DbRes.Db.Config.ChaserCheckpoint.Flush(); var readers = new ObjectPool <ITransactionFileReader>( "Readers", 2, 2, () => new TFChunkReader(DbRes.Db, DbRes.Db.Config.WriterCheckpoint)); var lowHasher = _logFormat.LowHasher; var highHasher = _logFormat.HighHasher; var emptyStreamId = _logFormat.EmptyStreamId; TableIndex = new TableIndex <TStreamId>(indexDirectory, lowHasher, highHasher, emptyStreamId, () => new HashListMemTable(PTableVersions.IndexV3, MaxEntriesInMemTable * 2), () => new TFReaderLease(readers), PTableVersions.IndexV3, int.MaxValue, Constants.PTableMaxReaderCountDefault, MaxEntriesInMemTable); _logFormat.StreamNamesProvider.SetTableIndex(TableIndex); var readIndex = new ReadIndex <TStreamId>(new NoopPublisher(), readers, TableIndex, _logFormat.StreamNameIndexConfirmer, _logFormat.StreamIds, _logFormat.StreamNamesProvider, _logFormat.EmptyStreamId, _logFormat.StreamIdValidator, _logFormat.StreamIdSizer, _logFormat.StreamExistenceFilter, _logFormat.StreamExistenceFilterReader, _logFormat.EventTypeIndexConfirmer, streamInfoCacheCapacity: 0, additionalCommitChecks: true, metastreamMaxCount: _metastreamMaxCount, hashCollisionReadLimit: Opts.HashCollisionReadLimitDefault, skipIndexScanOnReads: Opts.SkipIndexScanOnReadsDefault, replicationCheckpoint: DbRes.Db.Config.ReplicationCheckpoint, indexCheckpoint: DbRes.Db.Config.IndexCheckpoint); readIndex.IndexCommitter.Init(DbRes.Db.Config.ChaserCheckpoint.Read()); ReadIndex = readIndex; }
protected abstract DbResult CreateDb(TFChunkDbCreationHelper dbCreator);
protected abstract DbResult CreateDb(TFChunkDbCreationHelper <TLogFormat, TStreamId> dbCreator);