Fabio Albani wrote:
Yes, probably the problem is that I used a remotable interface... I've
already created my own databinding, which contains transformation to and
from Java Objects, so the problem is that is executed Output2Output
trasformation which tries to serialize the Object, and not copy the
reference, even if is set "allows pass with reference".
I'm not sure why your "allowsPassByReference" override isn't doing what
you expect. It might be useful to step through the code in a debugger
to see what's happening.
However, even if this approach could be made to work, I'm not convinced
that it's providing the correct SCA semantics. If the interface is
remotable, this means that the data passed across the interface must
be able to be passed remotely, which means it must be able to be
serialized and deserialized by the databinding transformers. The
"allowsPassByReference" setting is an optimization hint to the Tuscany
runtime to avoid this serialization if the invocation happens to be local.
If the invocation is remote, the data needs to be serialized. So if your
databinding is intended for use with remotable interfaces (i.e., on
invocations that might be remote), then it needs to provide the
necessary transformers to support serialization and deserialization.
Simon
Fabio
2011/1/2 Giorgio Zoppi <[email protected]
<mailto:[email protected]>>
Ciao Fabio,
You might create your own databinding.
2010/12/31 Fabio Albani <[email protected]
<mailto:[email protected]>>:
> Hi to all,
> I've developed some extension tu Tuscany for my master degree,
expecially a
> new interface and implementation.
> I've developed transformators creating a new data-binding for
converting
> ASM Value to Java Object and viceversa.
> My problem is, even if I've set my ASMImplementationInvoker as a
> DataTypesomething, so having to override the method
> isAllowsPassByReference() (cause in my implementation I've not
defined an
> annotation for doing this), the Java objects passed between different
> components implemented in the technology I've added, Tuscany
runtime tries
> to serialized the with JAXB, causing an error.
> My question is: how can I force that passing by reference and not
value?
> What I've to set? Or, how can I override this JAXB problem and
convert them
> with other types, for example SDO?
> Thanks in advance.
> Fabio
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