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https://issues.apache.org/jira/browse/LUCENE-2374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-2374:
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Fix Version/s: 3.1
CharTermAtttribute is also in 3.1.
> Add introspection API to AttributeSource/AttributeImpl
> ------------------------------------------------------
>
> Key: LUCENE-2374
> URL: https://issues.apache.org/jira/browse/LUCENE-2374
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/analyzers
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 3.1, 4.0
>
>
> AttributeSource/TokenStream inspection in Solr needs to have some insight
> into the contents of AttributeImpls. As LUCENE-2302 has some problems with
> toString() [which is not structured and conflicts with CharSequence's
> definition for CharTermAttribute], I propose an simple API that get a default
> implementation in AttributeImpl (just like toString() current):
> - Iterator<Map.Entry<String,?>> AttributeImpl.contentsIterator() returns an
> iterator (for most attributes its a singleton) of a key-value pair, e.g.
> "term"->"foobar","startOffset"->Integer.valueOf(0),...
> - AttributeSource gets the same method, it just concat the iterators of each
> getAttributeImplsIterator() AttributeImpl
> No backwards problems occur, as the default toString() method will work like
> before (it just gets iterator and lists), but we simply remove the
> documentation for the format. (Char)TermAttribute gets a special impl fo
> toString() according to CharSequence and a corresponding iterator.
> I also want to remove the abstract hashCode() and equals() methods from
> AttributeImpl, as they are not needed and just create work for the
> implementor.
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