public void Open()
{
if (!Directory.Exists(_folder))
{
Directory.CreateDirectory(_folder);
}
_env = LmdbEnv.CreateDb(_folder, 1 * 1024 * 1024);
using (var tx = _env.Write()) {
var dto = Lmdb.GetBuffer(tx, 0);
if (dto == null)
{
SetNewBuffer(tx, 0);
}
else
{
_buffer = new Buffer(dto, _folder);
_buffer.OpenOrCreate();
}
var meta = Lmdb.GetCellarMeta(tx, 0, Lmdb.NewCellarDto());
_maxKeySize = meta.GetCellarMaxKeySize();
_maxValSize = meta.GetCellarMaxValSize();
tx.Commit();
}
}
void LoadData()
{
if (!Directory.Exists(_folder))
{
return;
}
using (var env = LmdbEnv.CreateDb(_folder, 1024 * 1024, EnvironmentOpenFlags.ReadOnly)) {
using (var tx = env.Read()) {
_chunks = Lmdb.ListChunks(tx).Select(c => c.Value).ToArray();
_buffer = Lmdb.GetBuffer(tx, 0);
_cellar = Lmdb.GetCellarMeta(tx, 0, new Lmdb.CellarDto());
ByteSize = Cellar.EstimateSize(tx).ByteSize;
}
}
_maxKeySize = _cellar.GetCellarMaxKeySize();
_maxValueSize = _cellar.GetCellarMaxValSize();
}
