Hello, I'm a new JiBX user and have been through the full tutorial and
have some simple bindings up and running. I am evaluating JiBX (along
with StAX) as a replacement for JDOM for serializing fairly large sets
(thousands of elements) of data that have lots of nested collections
(lists and maps, I know the issues and approaches with maps in JiBX
already). Given this background, I have two questions:
1) When using JDOM we found good speedups by adding the count of
elements in our xml so that when deserializing we could create the
collection with the proper capacity once, rather than having it
automatically grow in the background. This gives XML like:
<DataList count="5234">
<DataElement attribFoo="blah" attribBar="gibble"/>
<DataElement attribFoo="fred" attribBar="barney"/>
...
<DataElement attribFoo="mip" attribBar="pirney"/>
</DataList>
How would I go about using the value of the count attribute to set the
initial capacity of a collection using JiBX? I see from the collection
element docs that there is a size-element used to query the size, and
also a load-method, although from the docs I am not totally clear on
what the load-method does, it does not see to do what I wish.
2) Is there a recommended best-practices way to handle hierarchies of
collections in JiBX? I've found a few mentions in searching the mailing
lists but haven't found anything definitive or really to my liking. The
issues here are two-fold: how to handle mappings in a modular fashion
(my plan is to use the include element) and also how to handle the
binding factory. For the factory, should I just specify the class at the
top of the hierarchy? Would this allow me to create subsets (export just
some sublists) with something else as the root element?
Thanks in advance for any tips/advice,
Chris
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