Wolf-Dieter Fink [
http://community.jboss.org/people/wdfink] created the discussion
"Re: Call by value vs. call by reference"
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http://community.jboss.org/message/610806#610806
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As Jens say the SPEC conform way is call-by-value.
If you use the standard server configuration it will be so configured.
But it is a performance improvment if you use call-by-reference for the duration, because
of serialization. Also the througput is better because of unburden the GC.
If you keep the behaviour in mind I see no issue why you should not use
call-by-reference.
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