code: private void findMatchingExactSelectorSubs(String topic,
                                             Set consumerSet)
    {
      if (tc.isEntryEnabled())
          SibTr.entry(
            tc,
            "findMatchingExactSelectorSubs",
            new Object[] { topic}); 
      if(_areExactSelectorSubs)
      {
        // Iterate through the map
        Iterator i = _exactSelectorSubs.keySet().iterator();
        while (i.hasNext())
        {
          String consumerTopic = (String)i.next();     
        
          if (tc.isDebugEnabled()) 
            SibTr.debug(tc, "Found consumer topic: " + consumerTopic);
          
          // Add the list of consumers to the matching Set if it matches
          if(topic.equals(consumerTopic))
          {
            ArrayList consumerList = (ArrayList)_exactSelectorSubs.get(topic);
            if (tc.isDebugEnabled())
              SibTr.debug(tc, "Add members of list to set");
            consumerSet.addAll(consumerList); 
          }
        }                                 
      }
      
      if (tc.isEntryEnabled())
        SibTr.exit(tc, "findMatchingExactSelectorSubs");
    }
docs: Method findMatchingExactSelectorSubs
  
  Used to determine whether there are any subscriptions on fully qualified topic
  expressions and with selectors that might match the specified topic expression.
  
  For this category of subscriptions we can use string matching.
  
  @param topic
  @param consumerSet