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https://issues.apache.org/jira/browse/LUCENE-2484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12874015#action_12874015
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Robert Muir commented on LUCENE-2484:
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Since this clustering contrib depends on binary files that are tied to specific
versions of the Lucene API,
I suggest the following:
* only enable clustering in release branches (such as 3x)
* when we cut a new release branch from trunk (say we make a 4x), then add the
new version there that works with it.
* but never have this enabled in trunk, as it is a cyclic dependency
the problem is, further changes might happen in trunk as it is
backwards-incompatible.
as a realistic theoretical example, we might all decide to move to write-once
attributes API (LUCENE-2450).
In this case perhaps Uwe writes a sophisticated ® backwards for 3x, to enable
easy migration,
but then the old TokenStream API itself would be deprecated in 3x and removed
in trunk so we can keep going.
> Remove deprecated TermAttribute from tokenattributes and legacy support in
> indexer
> ----------------------------------------------------------------------------------
>
> Key: LUCENE-2484
> URL: https://issues.apache.org/jira/browse/LUCENE-2484
> Project: Lucene - Java
> Issue Type: Task
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 4.0
>
> Attachments: LUCENE-2484.patch
>
>
> The title says it:
> - Remove interface TermAttribute
> - Remove empty fake implementation TermAttributeImpl extends
> CharTermAttributeImpl
> - Remove methods from CharTermAttributeImpl (and indirect from Token)
> - Remove sophisticated® backwards™ Layer in TermsHash*
> - Remove IAE from NumericTokenStream, if TA is available in AS
> - Fix rest of core tests (TestToken)
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