code: public SIMPIterator getAliasIterator()
    {
      DestinationTypeFilter filter = new DestinationTypeFilter();
      filter.ALIAS = Boolean.TRUE;
      SIMPIterator aliasItr = destinationIndex.iterator(filter);
      return new ControllableIterator(aliasItr);
    }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.processor.runtime.SIMPMessageProcessorControllable#getAliasIterator()