Re[4]: Thought on future of XMLC

Hello David,

How tied to XMLC is LazyDOM?  Maybe this can be submitted to DOM4J for
inclusion there?  I'm sure they'd like this alternate method if it
didn't take too much work to fit it in.


Jake

Wednesday, November 20, 2002, 1:25:42 PM, you wrote:

DL> Jake,

DL>    Thanks for the pointer.

DL>    However, this isn't quite the same as the LazyDOM. The event based  
DL> processing in DOM4J is to handle the processing of large document by  
DL> not keeping all of them in memory. Similar to SAX approach.

DL>    What LazyDOM does is actually build a full DOM tree of the document  
DL> in memory and provide copy on modification. In the XMLC programming  
DL> model, a new document object is created, modified, and output. Without  
DL> LazyDOM, a new document has to be built everytime. LazyDOM improve the  
DL> performance by letting all document objects for the same document  
DL> sharing the same DOM and only the modified nodes are copied in the  
DL> particular instance. By doing so, time is saved in the construction of  
DL> the tree and less node object creation in each of the new document. The  
DL> conservation of memory is just a side effect. :)

DL> David

DL> On Thursday, Nov 21, 2002, at 02:04 Asia/Shanghai, Jacob Kjome wrote:

>> Hello David,
>>
>> I believe DOM4J provides some functionality similar to LazyDOM:
>>
>> http://www.dom4j.org/ 
>> faq.html#How%20does%20dom4j%20handle%20very%20large%20XML%20documents?
>>
>> Jake
>>

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-- 
Best regards,
 Jacob                            mailto:hoju@xxxxxxxx