Lng32 ExpLOBinterfaceInit(void *& exLobGlob, void * lobHeap,
                          void *currContext,NABoolean isHive,
                          char *hdfsServer, 
                          Int32 port)
{
  Ex_Lob_Error err;

  Int64 dummyParam = 0;
  Int64 cliError = -1; 
  Ex_Lob_Error status;
  Int32 dummyParam2 = 0;
  
 
  err = ExLobsOper((char*)"dummy",
		   NULL, 0,
		   NULL, 0, 
		   NULL, dummyParam2, 0, dummyParam, 
                   dummyParam, 0, dummyParam, status, cliError,
		   NULL, Lob_HDFS_File,
		   NULL, 0, 
		   0,NULL,
		   Lob_Init,
		   Lob_None,
                   1, // waited op
		   exLobGlob,
		   0,
		   NULL, 0,
		   0);
  if (exLobGlob)
    {
      ((ExLobGlobals *)exLobGlob)->setIsHive(isHive);
      NAHeap *heap = new ((NAHeap *)lobHeap) NAHeap("LOB Heap", (NAHeap *)lobHeap);
      if (isHive)
        ((ExLobGlobals *)exLobGlob)->startWorkerThreads();
      heap->setThreadSafe();
      ((ExLobGlobals *)exLobGlob)->setHeap(heap);
      
    }

  //set hdfsConnection from context global 
  ContextCli *localContext = (ContextCli *)currContext;
  if (localContext)
    {
      hdfsFS fs = localContext->getHdfsServerConnection(hdfsServer,port);
      if (fs == NULL)
        {
          return LOB_HDFS_CONNECT_ERROR;
        }
      else
        {
          ((ExLobGlobals *)exLobGlob)->setHdfsFs(fs);
        }
    }

  if (err != LOB_OPER_OK)
    return err;
  else
    return 0;
}