private static CommitLogMetadata GetMetadata(MemoryMappedViewStream stream)
{
stream.Seek(0, SeekOrigin.Begin);
return Serializer.DeserializeWithLengthPrefix<CommitLogMetadata>(stream, PrefixStyle.Base128, 1);
}
private static void SaveMetadata(MemoryMappedViewStream stream, CommitLogMetadata metadata)
{
stream.Seek(0, SeekOrigin.Begin);
Serializer.SerializeWithLengthPrefix(stream, metadata, PrefixStyle.Base128, 1);
}
private static bool TryGetMetadata(MemoryMappedViewStream stream, out CommitLogMetadata metadata)
{
stream.Seek(0, SeekOrigin.Begin);
int length;
if (Serializer.TryReadLengthPrefix(stream, PrefixStyle.Base128, out length) && length > 0)
{
stream.Seek(0, SeekOrigin.Begin);
metadata = Serializer.DeserializeWithLengthPrefix<CommitLogMetadata>(stream, PrefixStyle.Base128, 1);
return true;
}
metadata = null;
return false;
}