code: protected void close()
                      throws ObjectManagerException
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this, cclass
                          , "close"
                              );
  
          if (flushHelper != null)
              flushHelper.shutdown(); // Complete outstanding work.
          if (notifyHelper != null)
              notifyHelper.shutdown(); // No longer need a notify thread.
  
          logFile = null;
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this, cclass
                         , "close"
                              );
      }
docs: Prohibits further operations on the LogFile.
  
  @throws ObjectManagerException