Ciao,

did you actually have a look at

http://www.castor.org/xml-tips-tricks.html

at all ?

Werner

VitoAndolini wrote:
> 
> Hello, I have a question regarding the best practice for instantiating
> castor's Mapping and Unmarshaller classes. 
> 
> My initial thought is that if the Mapping instance is always loaded with the
> same xml file, and the Unmarshaller instance is always sets the same
> instance of Mapping, we should try to minimize the creation of these
> objects. 
> 
> If this is true, the anti-practice woiuld be to instantiate new Mapping and
> Unmarshaller objects with every request. The best practice would be to make
> these objects static, so that they are only created once for every class
> that uses them. 
> 
> Is this correct? I notice that the Mapping class has a synchronized method
> "getResolver" - could this hurt performance if Mapping is static? Are there
> any other issues to consider when instantiating the Mapping and
> (Un)Marshaller classes? 
> 
> Many Thanks... 

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