how to get attribute value

Hello,

I'm deveolping a component "RollbackSequence" which might have a 
description as follows (I omit testA's description):

sfConfig extends RollbackSequence {
 action1 extends {
  first extends testA {
    message "first";
  }
  second extends testA {
   message "second";
  }
  third extends testA {
   message "third";
  }
 }
}

Now in it's sfStart phase RollbackSequence should deploy one of the 3 
descriptions found in "action1" based on some additional information. My 
problem is how to get the desrciption of first, second or third. In 
RollbackSequence's sfStart() I have the following code:

act = (ComponentDescription) actions.get(componentName);
System.out.println(act.toString());
if(act.sfContainsAttribute("first")) System.out.println("Contains first");
for(Iterator ii = act.sfAttributes();ii.hasNext();)
  System.out.println(ii.next());

This gives

first extends  {
  sfCodeBase "default";
  sfClass "ch.cern.openlab.smartfrog.test.TestA";
  sfExport false;
  sfShouldTerminate true;
  message "first";
}
second extends  {
  sfCodeBase "default";
  sfClass "ch.cern.openlab.smartfrog.test.TestA";
  sfExport false;
  sfShouldTerminate true;
  message "second";
}
third extends  {
  sfCodeBase "default";
  sfClass "ch.cern.openlab.smartfrog.test.TestA";
  sfExport false;
  sfShouldTerminate true;
  message "third";
}

Contains first
first
second
third

act is a ComponentDescription... how can I get the value for an attribute 
(which describes a component I want to deploy) ? E.g. out of "first", 
"second", "third" I'd like to deploy "second". For ComponentDescription I 
find the method sfAttributeKeyFor, but I would need somehow the reverse of 
this. How can I solve this problem ? Thanks for your help !

Best regards,
Andreas

-- 
http://cern.ch/openlab


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