public static T TryGet <T>(this DB db, ReadOptions options, byte prefix, ISerializable key, Func <Slice, T> resultSelector) where T : class
{
Slice slice;
if (!db.TryGet(options, SliceBuilder.Begin(prefix).Add(key), out slice))
{
return(null);
}
return(resultSelector(slice));
}
public static T TryGet <T>(this DB db, ReadOptions options, byte prefix, ISerializable key) where T : class, ISerializable, new()
{
Slice slice;
if (!db.TryGet(options, SliceBuilder.Begin(prefix).Add(key), out slice))
{
return(null);
}
return(slice.ToArray().AsSerializable <T>());
}