Hi MyCoy, according to MIGRATE file
<https://github.com/apache/lucene/blob/main/lucene/MIGRATE.md>
"""
### TokenStreamComponents is now final
Instead of overriding `TokenStreamComponents.setReader()` to customise
analyzer
initialisation, you should now pass a `Consumer<Reader>` instance to the
`TokenStreamComponents` constructor.
"""
Best
Patrick
On Sun, Sep 17, 2023 at 9:26 PM MyCoy Z <mycoy.zh...@gmail.com> wrote:
> Hi, Lucene Dev Community:
>
> In our legacy Lucene7 based code, we have logic like:
> return new TokenStreamComponents(Tokenizer source, TokenStream result) {
> @Override
> protected void setReader(Final Reader reader) {
> // _config.getCharFilterFactory() , this will return an instance
> of org.apache.lucene.analysis.util.CharFilterFactory
> super.setReader(_config.getCharFilterFactory().create(reader));
> }
> };
>
> However, in Lucene9.7, Analyzer.TokenStreamComponents.setReader(Reader)
> becomes private (actually I don't see this method being called anywhere in
> TokenStreamComponents,
> not sure why it is still there).
> Moreover, Tokenizer.setReader(Reader) is final, and cannot be overridden.
>
> So, could anyone help me to understand what is the best approach to
> migrate that piece of legacy code to L9.
> An example will also be very helpful.
>
> Thanks
>
>
