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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2717) BasicOperations.concatenate creates invariants
Date Thu, 21 Oct 2010 18:30:16 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-2717:
--------------------------------

    Attachment: LUCENE-2717.patch

attached is a patch with test and a sub-optimal fix.

I'll work on a better fix.


> BasicOperations.concatenate creates invariants
> ----------------------------------------------
>
>                 Key: LUCENE-2717
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2717
>             Project: Lucene - Java
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>             Fix For: 4.0
>
>         Attachments: LUCENE-2717.patch
>
>
> I started writing a test for LUCENE-2716, and i found a problem with BasicOperations.concatenate(Automaton,
Automaton):
> it creates automata with invariant representation (which should never happen, unless
you manipulate states/transitions manually).
> strangely enough the BasicOperations.concatenate(List<Automaton>) does not have
this problem.

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