private IBinnerDb LoadDatabaseByVersion(BinnerDbVersion version, byte[] bytes)
{
IBinnerDb db;
// Support database loading by version number
#if (NET462 || NET471)
switch (version.Version)
{
case BinnerDbV1.VersionNumber:
// Version 1
db = _serializer.Deserialize <BinnerDbV1>(bytes, _serializationOptions);
break;
default:
throw new InvalidOperationException($"Unsupported database version: {version}");
}
#else
db = version.Version switch
{
// Version 1
BinnerDbV1.VersionNumber => _serializer.Deserialize <BinnerDbV1>(bytes, _serializationOptions),
_ => throw new InvalidOperationException($"Unsupported database version: {version}"),
};
#endif
return(db);
}
private void WriteDbVersion(Stream stream, BinnerDbVersion version)
{
using (var writer = new BinaryWriter(stream, Encoding.UTF8, true))
{
writer.Write(version.Version);
writer.Write(version.Created.ToBinary());
}
}
private BinnerDbVersion ReadDbVersion(Stream stream)
{
BinnerDbVersion version = null;
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
var versionByte = reader.ReadByte();
var versionCreated = reader.ReadInt64();
version = new BinnerDbVersion(versionByte, DateTime.FromBinary(versionCreated));
}
return(version);
}