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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2013/01/04 14:54:13 UTC
[jira] [Commented] (LUCENE-4659) Cleanup CategoryPath
[ https://issues.apache.org/jira/browse/LUCENE-4659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13543889#comment-13543889 ]
Michael McCandless commented on LUCENE-4659:
--------------------------------------------
+1
I agree CP should be immutable.
> Cleanup CategoryPath
> --------------------
>
> Key: LUCENE-4659
> URL: https://issues.apache.org/jira/browse/LUCENE-4659
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Reporter: Shai Erera
> Assignee: Shai Erera
> Attachments: LUCENE-4659.patch
>
>
> CategoryPath is supposed to be a simple object which holds a category path's components, and offers some utility methods that can be used during indexing and search.
> Currently, it exposes lots of methods which aren't used, unless by tests - I want to get rid of them. Also, the internal implementation manages 3 char[] for holding the path components, while I think it would have been simpler if it maintained a String[]. I'd like to explore that option too (the input is anyway String, so why copy char[]?).
> Ultimately, I'd like CategoryPath to be immutable. I was able to get rid most of the mutable methods. The ones that remain will probably go away when I move from char[] to String[]. Immuntability is important because in various places in the code we convert a CategoryPath back and forth to String, with TODOs to stop doing that if CP was immutable.
> Will attach a patch that covers the first step - get rid of unneeded methods and beginning to make it immutable.
> Perhaps this can be done in multiple commits?
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