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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2013/01/17 16:28:14 UTC
[jira] [Commented] (OAK-567) DiffBuilder performance problem
[ https://issues.apache.org/jira/browse/OAK-567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13556271#comment-13556271 ]
Thomas Mueller commented on OAK-567:
------------------------------------
Workaround implemented in revision 1434720
> DiffBuilder performance problem
> -------------------------------
>
> Key: OAK-567
> URL: https://issues.apache.org/jira/browse/OAK-567
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: mk
> Reporter: Thomas Mueller
> Assignee: Thomas Mueller
>
> The org.apache.jackrabbit.mk.model.tree.DiffBuilder is very slow because it uses:
> {code}
> HashMap<NodeState, String>
> {code}
> and at the same time
> {code}
> class AbstractNodeState implements NodeState {
> /**
> * Returns a hash code that's compatible with how the
> * {@link #equals(Object)} method is implemented. The current
> * implementation simply returns zero for everything since
> * {@link NodeState} instances are not intended for use as hash keys.
> *
> * @return hash code
> */
> @Override
> public int hashCode() {
> return 0;
> }
> }
> {code}
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