How to use the arrays in BPEL

Question

I am giving the input below shows
<to>
<email>[email protected]</email>
<email>[email protected]</email>
</to>
i will put the while loop and i count the index values.
in while loop,it takes only one email id.
my coding is
<while condilition=('varindex'<ora:countnodes('inputvariable','payload',/client:to))>
<assign activity>
<first copy rule>
<vartemp= concat('vartemp',"",bpws:getvariabledata('email'))>
<second copy rule>
<varindex = vraindex+1>
</assign>
</while>
but vartemp adds only 1st email id.if i pass <vartemp= concat('vartemp',"",bpws:getvariabledata('email[varindex]'))> ,It shows error.
pls how to retrieve the two email ids using array index.
Edited by: user8984400 on Jan 13, 2010 11:22 PM

Answer 1

have you tried this :
http://clemensblog.blogspot.com/2006/03/bpel-looping-over-arrays-collections.html
or this :
http://oraclebpelindepth.blogspot.com/2008/09/arrays-in-bpel_21.html
your assign should be something like :
before this assign outside the loop you can assign the counter_index to some variable by ora:countnodes('inputvariable','payload',/client:to), and use this variable in the other xpaths
<from expression="concat('/ns1:to/ns2:mail[',bpws:getVariableData('Variable_Index_Counter'),']') "/>
<to variable="Variable_Xpath"/>
notice also the [] characters, you need those together with the index-value to be able to loop over the list of email-elements
hope its clear?