code: public void raInactive() {
          this.isActive = false;
          activities.clear();
          activities = null;
          executorService.shutdown();
          executorService = null;
  
          this.httpclient.getConnectionManager().shutdown();
          this.idleConnectionMonitorThread = null;
  
          this.httpclient = null;
      }
docs: /*
  (non-Javadoc)
  
  @see javax.slee.resource.ResourceAdaptor#raInactive()