code: public void getPersistentData(ObjectOutputStream oos)
    {
      if (tc.isEntryEnabled())
        SibTr.entry(tc, "getPersistentData", oos);
  
      super.getPersistentData(oos);
      
      try
      {
        HashMap hm = new HashMap();
  
        if (durableSubName != null)
          hm.put("durableSubName", durableSubName);
        
        oos.writeObject(hm);
      }
      catch (IOException e)
      {
        // FFDC
        FFDCFilter.processException(
          e,
          "com.ibm.ws.sib.processor.impl.store.itemstreams.PtoPReceiveMsgsItemStream.getPersistentData",
          "1:301:1.26.1.2",
          this);
          
        SibTr.exception(tc, e);
        if (tc.isEntryEnabled()) SibTr.exit(tc, "getPersistentData", "SIErrorException");
        
        throw new SIErrorException(
         nls.getFormattedMessage(
          "INTERNAL_MESSAGING_ERROR_CWSIP0003",
          new Object[] {
            "com.ibm.ws.sib.processor.impl.store.itemstreams.PtoPMessageItemStream",
            "1:312:1.26.1.2",
            e,
            getDestinationHandler().getName()},
          null),
          e);
      }
  
      if (tc.isEntryEnabled())
        SibTr.exit(tc, "getPersistentData");
    }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.processor.impl.store.itemstreams.SIMPItemStream#getPersistentData(java.io.ObjectOutputStream)