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From "Jukka Zitting (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (JCR-569) WorkspaceImporter Refactoring
Date Tue, 31 Oct 2006 10:52:36 GMT
     [ http://issues.apache.org/jira/browse/JCR-569?page=all ]

Jukka Zitting reopened JCR-569:

Reopening this issue since a regression was introduced by the WorkspaceImporter change. I've
now reverted (revision 469441) the class back to what it was before and added a test case
(revision 469440) that illustrates the problem.

Nicolas, there is a concern that since the patch essentially rewrites most of the previous
code paths, other similar issues might have been introduced as well. it would be better if
the refactoring modified as little as possible of the existing code. I.e. a restructuring
of the class would be better than a rewrite.

> WorkspaceImporter Refactoring
> -----------------------------
>                 Key: JCR-569
>                 URL: http://issues.apache.org/jira/browse/JCR-569
>             Project: Jackrabbit
>          Issue Type: Improvement
>            Reporter: Nicolas Toper
>         Assigned To: Jukka Zitting
>             Fix For: 1.1.1
>         Attachments: GenericImporter.patch, SysViewImporter.patch, WorkspaceImporter.patch,
WorkspaceImporter.patch, WorkspaceImporter.patch
> Hi,
> As you know, I have run into an issue with the backup tool using the WorkspaceImporter.
I ended up copy/pasting large body of code since the current WorkspaceImporter was not flexible
enough for my use (in my class called SysViewImporter). This solution was perfectly valid
for Google SoC (a lot of time constraints) but unacceptable in the long run for any project
(we hate large body of duplicate code :p).
> Also, some issues have been raised with this class (i.e. jcr:root importation, allowsSameNameSiblings
> Overall I feel this class  is circumvoluted and really hard to understand. For instance,
the current code contains at most 5 imbricated if and uses a lot of different ways to pass
information (stacks, objects set on null). 
> I tried to refactor my SysViewImporter and the WorkspaceImporter but it implies a new
code for the WorkspaceImporter and the SysViewImporter. Here is its skeleton! I first wanted
to gather the community feedback before stepping in. I tried moving all "work code" away from
the startNode method and reorganise it for readilibility.
> Please give me your feedback.

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