Re: Contribution on Lists and Arrays

MessageHi Tony,

Good summary.

As a concrete example, I think it would be useful to show how repetition through an arbitrary list would be achieved in CDL. For example,


<workunit condition="cdl:getVariable('counter','','') < count(listA/listItem)" repeat="true" >
    <assign>
        <copy>
            <source expression="listA/listItem[cdl:getVariable('counter','','')]" />
            <target variable="cdl:getVariable('item','','')" />
        </copy>
    </assign>
    <!-- Do some actions on the 'item' -->
    <assign>
        <copy>
            <source expression="cdl:getVariable('counter','','')+1" />
            <target variable="cdl:getVariable('counter','','')" />
        </copy>
    </assign>
</workunit>

This could possibly be simplified by a specific list iterator construct? Although I suppose a GUI tool could equally hide this common pattern.

Regards
Gary
  ----- Original Message ----- 
  From: Tony Fletcher 
  To: public-ws-chor-comments@w3.org ; public-ws-chor@w3.org 
  Sent: Monday, January 31, 2005 1:05 PM
  Subject: Contribution on Lists and Arrays


  Dear Colleagues,

  Please find attached a contribution from myself on adding informative material on lists and arrays into the WS-Choreography specification and primer.  These could be useful when trying to deal with numbers of instances of things.
  Best Regards,

  Tony                           


       Tony Fletcher

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