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https://issues.apache.org/jira/browse/LUCENE-3807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13212551#comment-13212551
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Robert Muir commented on LUCENE-3807:
-------------------------------------

I agree with removing IOException from getComparator.

I agree also with moving weight to a long... though currently the e.g. solr 
integrations take floats as input,
so this really needs to be listed as a backwards break since it will directly 
affect users.

I agree with removing the sorted marker interface: its not useful since you 
don't know the order.

However, I don't think we should add the charsref methods... I think 
Bytes/Ints/CharsRef should have parallel 
apis and someone can just call unicodeutil: in general these are reference 
classes not stringbuffers and 
we shouldn't encourage abuse via sugar apis. I already have an issue open for 
fixing, cleaning up,
and making those APIs consistent.

I don't think we should add a generics parameter V to Lookup, especially if 
LookupResult itself is still
wired to float. I do think suggesters should be able to return additional data 
but this needs more thought:
its necessary to actually get the additional data to them.
                
> Cleanup suggester API
> ---------------------
>
>                 Key: LUCENE-3807
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3807
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: modules/other
>    Affects Versions: 3.6, 4.0
>            Reporter: Simon Willnauer
>             Fix For: 4.0
>
>         Attachments: LUCENE-3807.patch, LUCENE-3807.patch
>
>
> Currently the suggester api and especially TermFreqIterator don't play that 
> nice with BytesRef and other paradigms we use in lucene, further the java 
> iterator pattern isn't that useful when it gets to work with TermsEnum, 
> BytesRef etc. We should try to clean up this api step by step moving over to 
> BytesRef including the Lookup class and its interface...

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