Excellent, thanks for the tips and the bug fix.
On 6/2/10 2:52 PM, Michael Glavassevich wrote:
Hi Chad,
Chad La Joie <laj...@itumi.biz> wrote on 06/02/2010 01:59:11 PM:
> Thanks Michael,
>
> Somewhat related to this, I note that the feature 'defer-node-expansion'
> can not be set to false when the default document factory is used[1].
That's the Xerces-J 1.x documentation. The behaviour of the feature in
Xerces-J 2.x is documented here [2]. It's default is true but you can
set its value to false if you want to.
> I understand why a person might want to defer node expansion but in
all of
> my cases, I have to traverse every node. I am wondering, does having a
> deferred node decrease performance, especially over larger documents,
> when you're going to be hitting every node?
If you traverse every node then I would expect it to cost more than if
they were constructed eagerly by the parser. More details on the
performance implications of this feature are in an article [3] I
co-wrote some time ago.
> If so, might it be possible to allow adjusting the defer-node-expansion
> feature even when the default factory is used?
Try setting the feature to false on the DocumentBuilder.
> [1] http://xerces.apache.org/xerces-j/features.html#defer-node-expansion
Thanks.
[2]
http://xerces.apache.org/xerces2-j/features.html#dom.defer-node-expansion
[3] http://www.ibm.com/developerworks/library/x-perfap2.html/#N100CB
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrgla...@ca.ibm.com
E-mail: mrgla...@apache.org
--
Chad La Joie
http://itumi.biz
trusted identities, delivered
---------------------------------------------------------------------
To unsubscribe, e-mail: j-users-unsubscr...@xerces.apache.org
For additional commands, e-mail: j-users-h...@xerces.apache.org
