Hi John,
an element is not reinitialized when continuations are used, you
continue using the same instance of the element. To get data from the
slave to the master, simply provide it as an argument to the answer()
method and it with be available as the return value of the master's
call() method.
Hope this helps.
Geert
On 24 Oct 2006, at 00:33, John Lukar wrote:
Hi there all..
I have a problem pertaining to call() and answer(). I have the
following:
MasterElement{
initialize() {
localVar = getInput("someVarFromExternalUrlLinkCaller");
getDBStuffUsingVar (localVar );
}
processElement() {
if ( hasSubmission("form1") {
setOutput("passVar1" , MasterElement.getLocalVar() );
call("slaveElement1");
}
}
My problem is that once "answer" comes back from "slaveElement1",
the initizlie() method does not have the input variable:
someVarFromExternalUrlLinkCaller.
I tried defining output parameters in the slaveElement1 processing
forms:
<output name="someVarFromExternalUrlLinkCaller"/> and then inside
slaveElement1 I setOutput
("someVarFromExternalUrlLinkCaller", .....)
but it seems that this does not work. The MasterElement.initialize
() does not get back any definined input parameter from the
callback slaveElement1.
Even moving the code from MasterElement.initialize() to
MasterElement.processElement() still leaves me with the problem
of not having the Input: someVarFromExternalUrlLinkCaller.
I played around with Object obj = call("slaveElment1") .... but I
am still left with a problem of not being to maintian the value of
someVarFromExternalUrlLinkCaller across one invocation of
MasterElement to the next.
any ideas how to tackle this ?
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--
Geert Bevin
Uwyn "Use what you need" - http://uwyn.com
RIFE Java application framework - http://rifers.org
Music and words - http://gbevin.com
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