Alberto Massari (JIRA) wrote:
> [
> http://issues.apache.org/jira/browse/XERCESC-1452?page=comments#actio
>n_12314869 ]
>
> Alberto Massari commented on XERCESC-1452:
> ------------------------------------------
>
> Hi Jeff,
> the DOMNamedNodeMapImpl class is not used to store attributes in an
> element (that's DOMAttrMapImpl); it is used to store the list of
> entities, notations and elements in a DTD. Can you double check why
> reducing the size of these 3 maps improves your performances?
Hi Alberto,
querying all attributes of an element, is done by the loop:
DOMNamedNodeMap *map = node->getAttributes();
if (map){
int i, size = map->Length();
for (i=0; i<size; ++i){
DOMNode *attr = map->item(i);
// ...
}
}
As I understand, the performance improvement here is made with respect
to the item(.) method (which is called size times and that's why it's
improvement is important), and not with respect to the internal
attribute handling of xerces.
Cheers,
Axel
--
Humboldt-Universität zu Berlin
Institut für Informatik
Signalverarbeitung und Mustererkennung
Dipl.-Inf. Axel Weiß
Rudower Chaussee 25
12489 Berlin-Adlershof
+49-30-2093-3050
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