Re: [Axis2] Reading POJOs at client side

Fri, 18 Aug 2006 14:45:10 -0700

Even reflection-based data binding can be faster than working with object models - but in this case, it looks like the BeanUtil code used for the conversions is building the tree in any case, rather than working directly with the parser. It also looks like it builds the reflection metadata every time through. So I suspect you're right that working directly with OM is going to be much faster than using this.
Performance aside, I'd think the programming advantages of working with classes rather than directly manipulating a document model would be a more important concern for most users. If they really need speed they're much better off using ADB or JiBX for the conversions to and from XML. JiBX is certainly much faster than using OM, and lets users work with their existing POJOs. 

 - Dennis

robert lazarski wrote:

Performance advantages in the context of OM and Stax versus the axis2
implementation of RPC and arrays, as the OP wanted ? AFAIK that case
has not been thrown against jmeter but my hunch is that OM and Stax
will run circles around anything involving the reflection based
RPCMessageReceiver. If you think otherwise I suppose we could agree to
a test case and do the pepsi challenge via jmeter ;-) . I'd be happy
to stand corrected.

Cheers,
Robert
http://www.braziloutsource.com

On 8/18/06, Dennis Sosnoski <[EMAIL PROTECTED]> wrote:

What kind of performance advantages are you talking about, Robert? AFAIK
the only way OM has any performance advantage is if it's not fully built
(i.e., when it's used in conjunction with data binding, where the data
binding handles actual data conversions to and from objects). Otherwise,
it's just a somewhat heavy-weight document model.

  - Dennis

robert lazarski wrote:
> OM has lots of performance advantages among many others so go with
> that if in doubt.
>
> HTH,
> Robert
> http://www.braziloutsource.com
>
> On 8/18/06, Charak, Vikas <[EMAIL PROTECTED]> wrote:

>> I guess, I am still trying to find out for interoperability 
reasons or

>> what is recommended way .If I should be using OMElement as input and

>> output for my methods [raw xml format] or should it be more 
structured

>> like using POJO etc.?
>> The one issue I see with RawXml is generating XML using OMElement's
>> API's where as I can easily create POJOs from my data.
>> Any recommendations.
>>
>>
>> -----Original Message-----
>> From: robert lazarski [mailto:[EMAIL PROTECTED]
>> Sent: Friday, August 18, 2006 2:51 PM
>> To: [email protected]
>> Subject: Re: [Axis2] Reading POJOs at client side
>>
>> AFAIK RPCMessageReceiver just follows the old jax-rpc JSR much in the

>> way axis 1.x does , and the integration tests reflect that.  So if 
you

>> find a problem file a jira but I do expect that you can use these
>> examples between languages.
>>
>> HTH,
>> Robert
>> http://www.braziloutsource.com/
>>
>> On 8/18/06, Charak, Vikas <[EMAIL PROTECTED]> wrote:
>> > I might be wrong. This will work if client is a Java Client. What
>> > happens if the client is non-java, then is this way recommended or

>> > should I be using OMElement as input and output for my method. 
[Data

>> > goes in and out only in raw xml format]
>> >
>> > Any suggestions?
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: robert lazarski [mailto:[EMAIL PROTECTED]
>> > Sent: Friday, August 18, 2006 1:16 PM
>> > To: [email protected]
>> > Subject: Re: [Axis2] Reading POJOs at client side
>> >
>> > In the latest source there is some integration tests:
>> >
>> > modules/integration/test/org/apache/axis2/rpc/RPCCallTest.java
>> >
>> > That has some array examples and should get you started.
>> >
>> > HTH,
>> > Robert
>> > http://www.braziloutsource.com/
>> >
>> > On 8/18/06, Charak, Vikas <[EMAIL PROTECTED]> wrote:
>> > > Using RPCMessageReceiver I was able pass person POJO to my client
>> from
>> > a
>> > > web service
>> > >
>> > >         public User[] getUsers() {
>> > >                 return User array;
>> > >         }
>> > >
>> > > Now I have ,
>> > >
>> > > public void addUsers(User[]) {
>> > > }
>> > >
>> > > Any idea on writing a java client to send user arrays to addUsers
>> > method

>> > > of the same web service. User is a plain java class with 
getters and

>> > > setters.
>> > >
>> > > Any help is appreciated.
>> > >
>> > >
>> > > Thanks.
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
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>> > >
>> > >
>> >

>> > 
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