private void OpenInternal(Transaction transaction)
{
var fileTree = transaction.ReadTree(_tree);
if (fileTree == null)
{
throw new FileNotFoundException($"Could not find '{_tree}' tree for index input", _name);
}
using (Slice.From(transaction.Allocator, _name, out Slice fileName))
{
_stream = fileTree.ReadStream(fileName);
if (_stream == null)
{
throw new FileNotFoundException("Could not find index input", _name);
}
}
}
private void OpenInternal(Transaction transaction)
{
if (transaction.IsWriteTransaction == false)
{
if (transaction.LowLevelTransaction.ImmutableExternalState is IndexTransactionCache cache)
{
if (cache.DirectoriesByName.TryGetValue(_directory.Name, out var files))
{
if (files.ChunksByName.TryGetValue(_name, out var details))
{
// we don't dispose here explicitly, the fileName needs to be
// alive as long as the transaction is
Slice.From(transaction.Allocator, _name, out Slice fileName);
_stream = new VoronStream(fileName, details, transaction.LowLevelTransaction);
return;
}
}
}
}
var fileTree = transaction.ReadTree(_tree);
if (fileTree == null)
{
throw new FileNotFoundException($"Could not find '{_tree}' tree for index input", _name);
}
using (Slice.From(transaction.Allocator, _name, out Slice fileName))
{
_stream = fileTree.ReadStream(fileName);
if (_stream == null)
{
throw new FileNotFoundException("Could not find index input", _name);
}
}
}