We could fix this issue by allowing some headers on the Message. The
DataBinding interceptor can then use one header to pass a flag down so that
the Pass-By-Value invoker can skip the copy.
Thanks,
Raymond
----- Original Message -----
From: "ant elder" <[EMAIL PROTECTED]>
To: "tuscany-dev" <[email protected]>
Sent: Wednesday, September 05, 2007 3:27 AM
Subject: Avoiding unnecessary pass-by-value copies
I'm looking at what we could do for TUSCANY-1559 which is about
unnecessary
pass-by-value copies causing failures when arguments aren't serializable.
The problem is on line 260 of JavaComponentContextProvider where it tries
to
determine if the pass-by-value invoker is required, but it doesn't take
into
account whats at the other end of the invocation chain.
How about changing this so its not the Java implementation types
responsibility to handle pass-by-value and move it out into core, having a
separate RuntimeWireProcessor and Interceptor for pass-by-value support,
and
don't do copies if the source and target interfaces use different
databindings?
...ant
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