Hi Several objects introduce a Filter/Wrapper, which essentially act as delegators. E.g. FilterDirectory, FilterCodec, FilterAtomicReader, and while not strictly a delegator - SlowCompositeReaderWrapper.
I would like to rename all the above Filters to Wrappers, e.g. DirectoryWrapper, CodecWrapper and AtomicReaderWrapper, b/c I think that better reflects what they do. *Delegator is less preferable, but I'm willing to live with it too. Then someone can write a FilterAtomicReader (extends AtomicReaderWrapper) to e.g. return DocsEnum that filter out certain documents. I'd like that better than having FilterAtomicReader (as wrapper) and FilteringAtomicReader -- it's confusing to me. Also see LUCENE-2632 which adds a FilteringCodec - at first I thought it's a duplicate of FilterCodec, until I read the code more carefully. Thoughts? Are there other such Filter classes that should be renamed to Wrapper? Shai
