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Posted to j-dev@xerces.apache.org by "Michael Glavassevich (JIRA)" <xe...@xml.apache.org> on 2009/11/22 19:21:39 UTC
[jira] Updated: (XERCESJ-1296) ElementNSImpl.getBaseURI has
exponential execution time relative to the depth of the node in the
document
[ https://issues.apache.org/jira/browse/XERCESJ-1296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Glavassevich updated XERCESJ-1296:
------------------------------------------
Fix Version/s: 2.10.0
> ElementNSImpl.getBaseURI has exponential execution time relative to the depth of the node in the document
> ---------------------------------------------------------------------------------------------------------
>
> Key: XERCESJ-1296
> URL: https://issues.apache.org/jira/browse/XERCESJ-1296
> Project: Xerces2-J
> Issue Type: Improvement
> Components: DOM (Level 3 Core)
> Affects Versions: 2.9.1
> Reporter: Ludger Bünger
> Assignee: Michael Glavassevich
> Priority: Minor
> Fix For: 2.10.0
>
> Attachments: ElementNSImplPatch.txt
>
>
> When using the Namespace-aware implementation, getBaseURI upon ElementNSImpl unnecessarily calls getBaseURI twice upon its parent node (once upon "parent" and once upon "ownerNode") resulting in an exponential execution time relative to the depth of the node (since the number of calls to their respective parent method doubles with each level of invocation).
> Elena Litani solved this already for ElementImpl, the same patch should be applied to ElementNSImpl too.
> Solution: Apply the same patch to ElementNSImpl Elena Litani already applied to ElementImpl in svn build 319554 (see http://svn.apache.org/viewvc/xerces/java/trunk/src/org/apache/xerces/dom/ElementImpl.java?r1=319502&r2=319554)
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