docs: public boolean filterMatches(AbstractItem item)
    {
      if (tc.isEntryEnabled())
        SibTr.entry(tc, "filterMatches", item);
  
  		/* Cast the incoming item to a subscriptionState object. if it is not, an
  		 * exception will be thrown and the match will fail */
  
      ConsumerDispatcherState subState = null;
  
      if (item instanceof DurableSubscriptionItemStream) 
      {
        try
        {
          subState = ((DurableSubscriptionItemStream) item).getConsumerDispatcherState();
        }
        catch (Exception e)
        {
          FFDCFilter.processException(
            e,
            "com.ibm.ws.sib.processor.impl.store.filters.SubscriptionStateFilter.filterMatches",
            "1:180:1.33.1.1",
            this);
  
          SibTr.exception(tc, e);
          
          if (tc.isEntryEnabled())
            SibTr.exit(tc, "filterMatches", e);
            
          return false;
        }
    
    		/* If this filter is a subscriptionId filter, check for a match */
    		
        if (_subscriptionId != null)
        {
          boolean retval = (subState.getSubscriberID().equals(_subscriptionId));
          if (tc.isEntryEnabled())
            SibTr.exit(tc, "filterMatches", Boolean.valueOf(retval));
          return retval;
        }
    
    		/* If this filter is a destination name filter, check for a match */
    		
        if (_destination != null)
        {
          boolean retval = (subState.getTopicSpaceUuid().equals(_destination));
          if (tc.isEntryEnabled())
            SibTr.exit(tc, "filterMatches", Boolean.valueOf(retval));
          return retval;
        }
        
        /* If this filter is for a specific consumer dispatcher state object, check for a match */
  
        if (_consumerDispatcherState != null)
        {
          boolean retval = (subState == _consumerDispatcherState);
          if (tc.isEntryEnabled())
            SibTr.exit(tc, "filterMatches", Boolean.valueOf(retval));
          return retval;
        }
  
        //The match succeeds if its a durable subscription and no specific matching is requested
        if ((_destination == null) && (_subscriptionId == null) && (_consumerDispatcherState == null))
        {
          if (tc.isEntryEnabled())
            SibTr.exit(tc, "filterMatches", Boolean.TRUE);
          return true;
        }
      }
      /* If filter type has not been set, the match fails */
      
      if (tc.isEntryEnabled())
        SibTr.exit(tc, "filterMatches", Boolean.FALSE);
  
      return false;
  
    }