Hi, any chances of resending your reply with proper indentation ?
Regards Werner Sanjeev Krishnan wrote: > Hi Werner, Thanks for your response. Please see my comments inlined > below:> > if I were you, I would stop worrying about Castor's use of > reflection,> as this is a one-time only penalty (as startup) if used > correctly. One-time penalty of reflection for building the class > descriptor is ok, but using reflection for every get/set of a field > while marshalling / unmarshalling seems slow, since there will be > millions of get/set method calls.What is the correct way to avoid > reflection during marshalling / unmarshalling ? > Let me ask you a > few questions, though:> > a) Will you be using a mapping file ?> b) > Have you considered using the XML code generator to generate domain> > classes (and descriptor classes) from your XML schema(s) ? I'm > starting with a set of Java classes which are already in use by > applications and cannot be changed. These Java classesneed to be > persisted in an XML store.I would prefer not to use a mapping file > unless the default Castor Java->XML mapping needs to be changed for > some class.> c) Have you already looked at the documentation of the> > XMLClassDescriptorResolver ? Yes but it doesnt seem to provide a way > to avoid using reflectionduring marshalling / unmarshalling.> d) Are > you using Spring, and would you like to integrate Castor with> Spring > ? > > No. >>> And how did you measure performance when comparing Castor to JAXB >>> ? I> find your questions very interesting, but you'd need to >>> educate me a bit> more about your environment, etc. I'm going >>> by:(a) The generally accepted wisdom that reflection is slow >>> compared to normal Java method calls.(b) Performance numbers >>> from comparisons done by others. Thanks much, -Sanjeev > > >>> Regards> Werner> > Sanjeev Krishnan wrote:> > > > Hello,Is there >>> a way to configure Castor-XML to avoid using> > reflection tocall >>> get/set methods of objects during marshalling /> > unmarshalling >>> ?Reflection is supposed to be slower in general> > compared >>> tocustom-generated code which calls the get/set methods.E.g.> > >>> it should be possible to generate FieldHandlers usingcglib / asm >>> /> > BCEL at runtime, has anyone done that ?JAXB2.x seems to use >>> generated> > code to call fields rather thanusing reflection is >>> that the reason> > why JAXB2.0 is faster than Castor ?Castor >>> seems ideal for my project> > (in terms of ease of use)however >>> I'm trying to figure out if its> > performance will be as good as >>> JAXB.Thanks,-Sanjeev > > >>> _________________________________________________________________ >>> > > Life on your PC is safer, easier, and more enjoyable with >>> Windows> > Vista®. >>> http://clk.atdmt.com/MRT/go/127032870/direct/01/> > >>> ---------------------------------------------------------------------> >>> To unsubscribe from this list, please visit:> > >>> http://xircles.codehaus.org/manage_email> > > _________________________________________________________________ > Windows Live™: Keep your life in sync. > http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t1_allup_explore_012009 --------------------------------------------------------------------- To unsubscribe from this list, please visit: http://xircles.codehaus.org/manage_email
