code: public void raActive() {
  		// init client
  		client = new XcapClientImpl();		
  		activities = new ConcurrentHashMap<XCAPResourceAdaptorActivityHandle, AsyncActivityImpl>();
  		executorService = Executors.newCachedThreadPool();
  		sbbInterface.setActive(true);
  	}
docs: /*
  (non-Javadoc)
  @see javax.slee.resource.ResourceAdaptor#raActive()