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);
